A42MX09-TQG176 (LQFP-176(24x24)) — Schematic Symbol, IPC-7351B Footprint & 3D STEP Model

Pin	Symbol	Type	Function (EN)
1	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
2	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
3	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
4	VCC	Power	Power Supply Input (VCC — 3.3V / 5.0V Standard Logic)
5	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
6	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
7	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
8	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
9	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
10	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
11	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
12	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
13	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
14	GND	GND	Ground Reference Pin (GND)
15	GND	GND	Ground Reference Pin (GND)
16	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
17	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
18	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
19	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
20	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
21	VCC	Power	Power Supply Input (VCC — 3.3V / 5.0V Standard Logic)
22	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
23	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
24	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
25	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
26	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
27	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
28	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
29	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
30	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
31	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
32	GND	GND	Ground Reference Pin (GND)
33	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
34	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
35	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
36	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
37	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
38	VCCA	Power	Power Supply Input (VCCA — 3.3V / 5.0V Standard Logic)
39	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
40	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
41	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
42	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
43	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
44	GND	GND	Ground Reference Pin (GND)
45	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
46	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
47	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
48	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
49	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
50	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
51	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
52	VCCI	Power	Power Supply Input (VCCI — 3.3V / 5.0V Standard Logic)
53	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
54	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
55	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
56	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
57	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
58	VCCI	Power	Power Supply Input (VCCI — 3.3V / 5.0V Standard Logic)
59	GND	GND	Ground Reference Pin (GND)
60	VCCA	Power	Power Supply Input (VCCA — 3.3V / 5.0V Standard Logic)
61	LP	I/O	Multiplexed I/O & Peripheral Pin LP (General)
62	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
63	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
64	GND	GND	Ground Reference Pin (GND)
65	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
66	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
67	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
68	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
69	GND	GND	Ground Reference Pin (GND)
70	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
71	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
72	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
73	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
74	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
75	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
76	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
77	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
78	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
79	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
80	GND	GND	Ground Reference Pin (GND)
81	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
82	SDO I/O ,	I/O	Multiplexed I/O & Peripheral Pin SDO I/O , (General)
83	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
84	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
85	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
86	VCCI	Power	Power Supply Input (VCCI — 3.3V / 5.0V Standard Logic)
87	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
88	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
89	GND	GND	Ground Reference Pin (GND)
90	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
91	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
92	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
93	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
94	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
95	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
96	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
97	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
98	VCCA	Power	Power Supply Input (VCCA — 3.3V / 5.0V Standard Logic)
99	GND	GND	Ground Reference Pin (GND)
100	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
101	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
102	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
103	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
104	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
105	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
106	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
107	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
108	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
109	GND	GND	Ground Reference Pin (GND)
110	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
111	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
112	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
113	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
114	VCCI	Power	Power Supply Input (VCCI — 3.3V / 5.0V Standard Logic)
115	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
116	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
117	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
118	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
119	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
120	GND	GND	Ground Reference Pin (GND)
121	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
122	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
123	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
124	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
125	GND	GND	Ground Reference Pin (GND)
126	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
127	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
128	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
129	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
130	GND	GND	Ground Reference Pin (GND)
131	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
132	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
133	GND	GND	Ground Reference Pin (GND)
134	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
135	SDI I/O ,	I/O	Multiplexed I/O & Peripheral Pin SDI I/O , (General)
136	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
137	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
138	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
139	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
140	VCCI	Power	Power Supply Input (VCCI — 3.3V / 5.0V Standard Logic)
141	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
142	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
143	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
144	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
145	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
146	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
147	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
148	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
149	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
150	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
151	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
152	PRA I/O ,	I/O	Multiplexed I/O & Peripheral Pin PRA I/O , (General)
153	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
154	CLKA I/O ,	I/O	Multiplexed I/O & Peripheral Pin CLKA I/O , (General)
155	VCCA	Power	Power Supply Input (VCCA — 3.3V / 5.0V Standard Logic)
156	GND	GND	Ground Reference Pin (GND)
157	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
158	CLKB I/O ,	I/O	Multiplexed I/O & Peripheral Pin CLKB I/O , (General)
159	MODE	I/O	Multiplexed I/O & Peripheral Pin MODE (General)
160	GND	GND	Ground Reference Pin (GND)
161	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
162	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
163	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
164	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
165	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
166	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
167	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
168	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
169	WD I/O ,	I/O	Multiplexed I/O & Peripheral Pin WD I/O , (General)
170	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
171	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
172	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
173	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
174	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
175	I/O	I/O	Multiplexed I/O & Peripheral Pin I/O (General)
176	WD I/O ,	I/O	Multiplexed I/O & Peripheral Pin WD I/O , (General)

Symbol

Type

Function (EN)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

VCC

Power

Power Supply Input (VCC — 3.3V / 5.0V Standard Logic)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

GND

GND

Ground Reference Pin (GND)

GND

GND

Ground Reference Pin (GND)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

VCC

Power

Power Supply Input (VCC — 3.3V / 5.0V Standard Logic)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

GND

GND

Ground Reference Pin (GND)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

VCCA

Power

Power Supply Input (VCCA — 3.3V / 5.0V Standard Logic)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

GND

GND

Ground Reference Pin (GND)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

VCCI

Power

Power Supply Input (VCCI — 3.3V / 5.0V Standard Logic)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

VCCI

Power

Power Supply Input (VCCI — 3.3V / 5.0V Standard Logic)

GND

GND

Ground Reference Pin (GND)

VCCA

Power

Power Supply Input (VCCA — 3.3V / 5.0V Standard Logic)

I/O

Multiplexed I/O & Peripheral Pin LP (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

GND

GND

Ground Reference Pin (GND)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

GND

GND

Ground Reference Pin (GND)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

GND

GND

Ground Reference Pin (GND)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

SDO I/O ,

I/O

Multiplexed I/O & Peripheral Pin SDO I/O , (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

VCCI

Power

Power Supply Input (VCCI — 3.3V / 5.0V Standard Logic)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

GND

GND

Ground Reference Pin (GND)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

VCCA

Power

Power Supply Input (VCCA — 3.3V / 5.0V Standard Logic)

GND

GND

Ground Reference Pin (GND)

100

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

101

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

102

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

103

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

104

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

105

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

106

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

107

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

108

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

109

GND

GND

Ground Reference Pin (GND)

110

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

111

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

112

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

113

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

114

VCCI

Power

Power Supply Input (VCCI — 3.3V / 5.0V Standard Logic)

115

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

116

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

117

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

118

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

119

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

120

GND

GND

Ground Reference Pin (GND)

121

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

122

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

123

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

124

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

125

GND

GND

Ground Reference Pin (GND)

126

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

127

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

128

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

129

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

130

GND

GND

Ground Reference Pin (GND)

131

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

132

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

133

GND

GND

Ground Reference Pin (GND)

134

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

135

SDI I/O ,

I/O

Multiplexed I/O & Peripheral Pin SDI I/O , (General)

136

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

137

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

138

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

139

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

140

VCCI

Power

Power Supply Input (VCCI — 3.3V / 5.0V Standard Logic)

141

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

142

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

143

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

144

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

145

I/O

Multiplexed I/O & Peripheral Pin NC (General)

146

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

147

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

148

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

149

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

150

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

151

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

152

PRA I/O ,

I/O

Multiplexed I/O & Peripheral Pin PRA I/O , (General)

153

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

154

CLKA I/O ,

I/O

Multiplexed I/O & Peripheral Pin CLKA I/O , (General)

155

VCCA

Power

Power Supply Input (VCCA — 3.3V / 5.0V Standard Logic)

156

GND

GND

Ground Reference Pin (GND)

157

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

158

CLKB I/O ,

I/O

Multiplexed I/O & Peripheral Pin CLKB I/O , (General)

159

MODE

I/O

Multiplexed I/O & Peripheral Pin MODE (General)

160

GND

GND

Ground Reference Pin (GND)

161

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

162

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

163

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

164

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

165

I/O

Multiplexed I/O & Peripheral Pin NC (General)

166

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

167

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

168

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

169

WD I/O ,

I/O

Multiplexed I/O & Peripheral Pin WD I/O , (General)

170

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

171

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

172

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

173

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

174

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

175

I/O

I/O

Multiplexed I/O & Peripheral Pin I/O (General)

176

WD I/O ,

I/O

Multiplexed I/O & Peripheral Pin WD I/O , (General)

Mechanical Dimensions & Land Pattern (LQFP-176(24x24))

Extracted from Datasheet & IPC-7351B Normalized

Package Body (D × E)Nominal

24.00 × 24.00 mm

Height (A) & Pitch (e)IPC-7351B

A=1.40mm · e=0.50mm

Pad Size (W × L)Level B

0.30 × 1.25 mm

Pins / Total PadsTopology

176P / 176Pad (QUAD_ROW)

Recommended Companion BOM & Drop-In Equivalents

Passive external components per reference schematic and 1:1 pin-compatible alternatives

DFM READY

Designator / Replacement MPN	Value / Package	Function & PCB Layout Rule
N/A BOM	Per application circuit LQFP-176(24x24)	Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — A42MX09-TQG176 (LQFP-176(24x24))

Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formats

IPC-7351B / IEEE-315

What is the Pinout and operating voltage specification of A42MX09-TQG176 (LQFP-176(24x24))?

Manufactured by MICROCHIP, the A42MX09-TQG176 is housed in a LQFP-176(24x24) package with 176 pins and a 0.50 mm lead pitch. Key pins include: 1 (I/O: Multiplexed I/O & Peripheral Pin I/O (General)), 2 (I/O: Multiplexed I/O & Peripheral Pin I/O (General)), 3 (I/O: Multiplexed I/O & Peripheral Pin I/O (General)), 4 (VCC: Power Supply Input (VCC — 3.3V / 5.0V Standard Logic)), 5 (I/O: Multiplexed I/O & Peripheral Pin I/O (General)), 6 (I/O: Multiplexed I/O & Peripheral Pin I/O (General)).

What are the IPC-7351B PCB Footprint dimensions for A42MX09-TQG176?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), A42MX09-TQG176 (LQFP-176(24x24)) has a nominal body envelope of 24.00 × 24.00 mm, pitch e = 0.50 mm, and 176 copper pads.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for A42MX09-TQG176?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for A42MX09-TQG176 (MICROCHIP, LQFP-176(24x24)) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.

Static Reference Appendix: Pinout Table (176 pins) & A40MX02 / A40MX04 / A42MX09 Family VariantsExpand static table

Pin #	Signal Name	Electrical Type	Functional Description & Design Notes
1	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
2	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
3	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
4	VCC	Power_In	Primary positive power supply input (VCC) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
5	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
6	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
7	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
8	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
9	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
10	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
11	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
12	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
13	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
14	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
15	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
16	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
17	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
18	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
19	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
20	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
21	VCC	Power_In	Primary positive power supply input (VCC) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
22	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
23	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
24	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
25	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
26	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
27	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
28	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
29	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
30	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
31	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
32	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
33	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
34	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
35	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
36	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
37	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
38	VCCA	Power_In	Primary positive power supply input (VCCA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
39	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
40	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
41	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
42	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
43	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
44	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
45	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
46	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
47	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
48	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
49	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
50	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
51	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
52	VCCI	Power_In	Primary positive power supply input (VCCI) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
53	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
54	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
55	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
56	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
57	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
58	VCCI	Power_In	Primary positive power supply input (VCCI) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
59	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
60	VCCA	Power_In	Primary positive power supply input (VCCA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
61	LP	Digital_IO	Signal terminal LP (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: LP. Supported peripheral buses: General.
62	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
63	I/O	Digital_IO	Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General.
64	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.

4D Studio: A42MX09-TQG176 Permalink: /part/C2616396 MICROCHIP LQFP-176(24x24)All Packages All Manufacturers

A42MX09-TQG176

Synchronized Pinout (Symbol / 2D / 3D) (176/176)

Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings + 4 Extracted Figures)

Technical Specifications & Part Details (A42MX09-TQG176)

5-Point Standards Verification

Hardware Verification & Community Engineering Reviews

Mechanical Dimensions & Land Pattern (LQFP-176(24x24))

Recommended Companion BOM & Drop-In Equivalents

Technical Frequently Asked Questions (FAQ) — A42MX09-TQG176 (LQFP-176(24x24))

What is the Pinout and operating voltage specification of A42MX09-TQG176 (LQFP-176(24x24))?

What are the IPC-7351B PCB Footprint dimensions for A42MX09-TQG176?

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for A42MX09-TQG176?