STM32H753ZIT6U (LQFP-144(20x20)) — Schematic Symbol, IPC-7351B Footprint & 3D STEP Model

Pin	Symbol	Type	Function (EN)
1	1	I/O	Multiplexed I/O & Peripheral Pin 1 (SPI)
2	2	I/O	Multiplexed I/O & Peripheral Pin 2 (General)
3	3	I/O	Multiplexed I/O & Peripheral Pin 3 (SPI)
4	4	I/O	Multiplexed I/O & Peripheral Pin 4 (SPI)
5	5	I/O	Multiplexed I/O & Peripheral Pin 5 (SPI)
6	6	I/O	Multiplexed I/O & Peripheral Pin 6 (General)
7	7	I/O	Multiplexed I/O & Peripheral Pin 7 (RTC/CLK)
8	8	I/O	Multiplexed I/O & Peripheral Pin 8 (RTC/CLK)
9	9	I/O	Multiplexed I/O & Peripheral Pin 9 (RTC/CLK)
10	-	I/O	Multiplexed I/O & Peripheral Pin - (I2C)
11	-	I/O	Multiplexed I/O & Peripheral Pin - (I2C)
12	-	I/O	Multiplexed I/O & Peripheral Pin - (I2C)
13	-	I/O	Multiplexed I/O & Peripheral Pin - (ADC)
14	-	I/O	Multiplexed I/O & Peripheral Pin - (ADC)
15	-	I/O	Multiplexed I/O & Peripheral Pin - (ADC)
16	10	I/O	Multiplexed I/O & Peripheral Pin 10 (General)
17	11	I/O	Multiplexed I/O & Peripheral Pin 11 (General)
18	-	I/O	Multiplexed I/O & Peripheral Pin - (ADC)
19	-	I/O	Multiplexed I/O & Peripheral Pin - (UART, ADC)
20	-	I/O	Multiplexed I/O & Peripheral Pin - (UART, SPI, ADC)
21	-	I/O	Multiplexed I/O & Peripheral Pin - (UART, SPI, ADC)
22	-	I/O	Multiplexed I/O & Peripheral Pin - (ADC)
23	12	I/O	Multiplexed I/O & Peripheral Pin 12 (RTC/CLK)
24	13	I/O	Multiplexed I/O & Peripheral Pin 13 (RTC/CLK)
25	14	I/O	Multiplexed I/O & Peripheral Pin 14 (General)
26	15	I/O	Multiplexed I/O & Peripheral Pin 15 (ADC)
27	16	I/O	Multiplexed I/O & Peripheral Pin 16 (SPI, ADC, RTC/CLK)
28	PC2_C	I/O	Multiplexed I/O & Peripheral Pin PC2_C (General)
29	PC3_C	I/O	Multiplexed I/O & Peripheral Pin PC3_C (General)
30	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
31	19	I/O	Multiplexed I/O & Peripheral Pin 19 (General)
32	20	I/O	Multiplexed I/O & Peripheral Pin 20 (General)
33	21	I/O	Multiplexed I/O & Peripheral Pin 21 (General)
34	22	I/O	Multiplexed I/O & Peripheral Pin 22 (UART, SPI, ADC, PWM)
35	23	I/O	Multiplexed I/O & Peripheral Pin 23 (UART, ADC, PWM)
36	24	I/O	Multiplexed I/O & Peripheral Pin 24 (UART, SPI, ADC, PWM)
37	25	I/O	Multiplexed I/O & Peripheral Pin 25 (UART, ADC, PWM)
38	26	I/O	Multiplexed I/O & Peripheral Pin 26 (General)
39	27	I/O	Multiplexed I/O & Peripheral Pin 27 (General)
40	28	I/O	Multiplexed I/O & Peripheral Pin 28 (UART, SPI, ADC, DAC)
41	29	I/O	Multiplexed I/O & Peripheral Pin 29 (SPI, ADC, DAC, PWM)
42	30	I/O	Multiplexed I/O & Peripheral Pin 30 (SPI, ADC)
43	31	I/O	Multiplexed I/O & Peripheral Pin 31 (SPI, ADC, PWM)
44	32	I/O	Multiplexed I/O & Peripheral Pin 32 (UART, ADC)
45	33	I/O	Multiplexed I/O & Peripheral Pin 33 (UART, ADC)
46	34	I/O	Multiplexed I/O & Peripheral Pin 34 (UART, ADC, PWM)
47	35	I/O	Multiplexed I/O & Peripheral Pin 35 (ADC, PWM)
48	36	I/O	Multiplexed I/O & Peripheral Pin 36 (SPI, I2C, RTC/CLK)
49	-	I/O	Multiplexed I/O & Peripheral Pin - (SPI, ADC)
50	-	I/O	Multiplexed I/O & Peripheral Pin - (ADC)
51	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
52	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
53	-	I/O	Multiplexed I/O & Peripheral Pin - (I2C, ADC)
54	-	I/O	Multiplexed I/O & Peripheral Pin - (I2C, ADC)
55	-	I/O	Multiplexed I/O & Peripheral Pin - (I2C)
56	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
57	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
58	37	I/O	Multiplexed I/O & Peripheral Pin 37 (UART)
59	38	I/O	Multiplexed I/O & Peripheral Pin 38 (UART, PWM)
60	39	I/O	Multiplexed I/O & Peripheral Pin 39 (UART, PWM)
61	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
62	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
63	40	I/O	Multiplexed I/O & Peripheral Pin 40 (UART, PWM)
64	41	I/O	Multiplexed I/O & Peripheral Pin 41 (SPI, PWM)
65	42	I/O	Multiplexed I/O & Peripheral Pin 42 (SPI, PWM)
66	43	I/O	Multiplexed I/O & Peripheral Pin 43 (SPI, PWM)
67	44	I/O	Multiplexed I/O & Peripheral Pin 44 (PWM)
68	45	I/O	Multiplexed I/O & Peripheral Pin 45 (General)
69	46	I/O	Multiplexed I/O & Peripheral Pin 46 (UART, SPI, PWM)
70	47	I/O	Multiplexed I/O & Peripheral Pin 47 (UART, I2C, PWM)
71	48	I/O	Multiplexed I/O & Peripheral Pin 48 (General)
72	50	I/O	Multiplexed I/O & Peripheral Pin 50 (General)
73	51	I/O	Multiplexed I/O & Peripheral Pin 51 (UART, SPI)
74	52	I/O	Multiplexed I/O & Peripheral Pin 52 (UART, SPI, PWM)
75	53	I/O	Multiplexed I/O & Peripheral Pin 53 (UART, SPI, PWM)
76	54	I/O	Multiplexed I/O & Peripheral Pin 54 (UART, SPI, PWM, RTC/CLK)
77	55	I/O	Multiplexed I/O & Peripheral Pin 55 (UART, SPI)
78	56	I/O	Multiplexed I/O & Peripheral Pin 56 (UART)
79	57	I/O	Multiplexed I/O & Peripheral Pin 57 (UART)
80	58	I/O	Multiplexed I/O & Peripheral Pin 58 (UART, SPI, I2C)
81	59	I/O	Multiplexed I/O & Peripheral Pin 59 (UART)
82	60	I/O	Multiplexed I/O & Peripheral Pin 60 (SPI, PWM)
83	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
84	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
85	61	I/O	Multiplexed I/O & Peripheral Pin 61 (UART, PWM)
86	62	I/O	Multiplexed I/O & Peripheral Pin 62 (UART, PWM)
87	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
88	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
89	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
90	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
91	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
92	-	I/O	Multiplexed I/O & Peripheral Pin - (UART)
93	-	I/O	Multiplexed I/O & Peripheral Pin - (UART)
94	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
95	-	I/O	Multiplexed I/O & Peripheral Pin - (USB)
96	63	I/O	Multiplexed I/O & Peripheral Pin 63 (PWM)
97	64	I/O	Multiplexed I/O & Peripheral Pin 64 (UART, PWM)
98	65	I/O	Multiplexed I/O & Peripheral Pin 65 (UART, PWM)
99	66	I/O	Multiplexed I/O & Peripheral Pin 66 (PWM, RTC/CLK)
100	67	I/O	Multiplexed I/O & Peripheral Pin 67 (UART, RTC/CLK)
101	68	I/O	Multiplexed I/O & Peripheral Pin 68 (UART, SPI, I2C, PWM)
102	69	I/O	Multiplexed I/O & Peripheral Pin 69 (UART, PWM)
103	70	I/O	Multiplexed I/O & Peripheral Pin 70 (UART, SPI, PWM)
104	71	I/O	Multiplexed I/O & Peripheral Pin 71 (UART, SPI)
105	72	I/O	Multiplexed I/O & Peripheral Pin 72 (SWD/JTAG)
106	73	I/O	Multiplexed I/O & Peripheral Pin 73 (General)
107	74	I/O	Multiplexed I/O & Peripheral Pin 74 (General)
108	75	I/O	Multiplexed I/O & Peripheral Pin 75 (General)
109	76	I/O	Multiplexed I/O & Peripheral Pin 76 (SWD/JTAG)
110	77	I/O	Multiplexed I/O & Peripheral Pin 77 (UART, SPI, SWD/JTAG)
111	78	I/O	Multiplexed I/O & Peripheral Pin 78 (UART, SPI)
112	79	I/O	Multiplexed I/O & Peripheral Pin 79 (UART, SPI)
113	80	I/O	Multiplexed I/O & Peripheral Pin 80 (UART, SPI)
114	81	I/O	Multiplexed I/O & Peripheral Pin 81 (UART, SPI)
115	82	I/O	Multiplexed I/O & Peripheral Pin 82 (General)
116	83	I/O	Multiplexed I/O & Peripheral Pin 83 (UART)
117	84	I/O	Multiplexed I/O & Peripheral Pin 84 (UART, SPI)
118	85	I/O	Multiplexed I/O & Peripheral Pin 85 (UART)
119	86	I/O	Multiplexed I/O & Peripheral Pin 86 (UART)
120	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
121	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
122	87	I/O	Multiplexed I/O & Peripheral Pin 87 (UART, SPI, I2C)
123	88	I/O	Multiplexed I/O & Peripheral Pin 88 (UART, SPI)
124	-	I/O	Multiplexed I/O & Peripheral Pin - (UART, SPI)
125	-	I/O	Multiplexed I/O & Peripheral Pin - (SPI)
126	-	I/O	Multiplexed I/O & Peripheral Pin - (SPI)
127	-	I/O	Multiplexed I/O & Peripheral Pin - (UART, SPI)
128	-	I/O	Multiplexed I/O & Peripheral Pin - (UART, SPI)
129	-	I/O	Multiplexed I/O & Peripheral Pin - (UART, SPI)
130	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
131	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
132	-	I/O	Multiplexed I/O & Peripheral Pin - (UART, SPI)
133	89	I/O	Multiplexed I/O & Peripheral Pin 89 (SPI, PWM, SWD/JTAG)
134	90	I/O	Multiplexed I/O & Peripheral Pin 90 (UART, SPI, PWM, SWD/JTAG)
135	91	I/O	Multiplexed I/O & Peripheral Pin 91 (SPI, I2C)
136	92	I/O	Multiplexed I/O & Peripheral Pin 92 (UART, I2C, PWM)
137	93	I/O	Multiplexed I/O & Peripheral Pin 93 (UART, I2C, PWM)
138	94	I/O	Multiplexed I/O & Peripheral Pin 94 (General)
139	95	I/O	Multiplexed I/O & Peripheral Pin 95 (UART, I2C)
140	96	I/O	Multiplexed I/O & Peripheral Pin 96 (UART, SPI, I2C)
141	97	I/O	Multiplexed I/O & Peripheral Pin 97 (UART)
142	98	I/O	Multiplexed I/O & Peripheral Pin 98 (UART)
143	-	I/O	Multiplexed I/O & Peripheral Pin - (General)
144	100	I/O	Multiplexed I/O & Peripheral Pin 100 (General)

Symbol

Type

Function (EN)

I/O

Multiplexed I/O & Peripheral Pin 1 (SPI)

I/O

Multiplexed I/O & Peripheral Pin 2 (General)

I/O

Multiplexed I/O & Peripheral Pin 3 (SPI)

I/O

Multiplexed I/O & Peripheral Pin 4 (SPI)

I/O

Multiplexed I/O & Peripheral Pin 5 (SPI)

I/O

Multiplexed I/O & Peripheral Pin 6 (General)

I/O

Multiplexed I/O & Peripheral Pin 7 (RTC/CLK)

I/O

Multiplexed I/O & Peripheral Pin 8 (RTC/CLK)

I/O

Multiplexed I/O & Peripheral Pin 9 (RTC/CLK)

I/O

Multiplexed I/O & Peripheral Pin - (I2C)

I/O

Multiplexed I/O & Peripheral Pin - (I2C)

I/O

Multiplexed I/O & Peripheral Pin - (I2C)

I/O

Multiplexed I/O & Peripheral Pin - (ADC)

I/O

Multiplexed I/O & Peripheral Pin - (ADC)

I/O

Multiplexed I/O & Peripheral Pin - (ADC)

I/O

Multiplexed I/O & Peripheral Pin 10 (General)

I/O

Multiplexed I/O & Peripheral Pin 11 (General)

I/O

Multiplexed I/O & Peripheral Pin - (ADC)

I/O

Multiplexed I/O & Peripheral Pin - (UART, ADC)

I/O

Multiplexed I/O & Peripheral Pin - (UART, SPI, ADC)

I/O

Multiplexed I/O & Peripheral Pin - (UART, SPI, ADC)

I/O

Multiplexed I/O & Peripheral Pin - (ADC)

I/O

Multiplexed I/O & Peripheral Pin 12 (RTC/CLK)

I/O

Multiplexed I/O & Peripheral Pin 13 (RTC/CLK)

I/O

Multiplexed I/O & Peripheral Pin 14 (General)

I/O

Multiplexed I/O & Peripheral Pin 15 (ADC)

I/O

Multiplexed I/O & Peripheral Pin 16 (SPI, ADC, RTC/CLK)

PC2_C

I/O

Multiplexed I/O & Peripheral Pin PC2_C (General)

PC3_C

I/O

Multiplexed I/O & Peripheral Pin PC3_C (General)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin 19 (General)

I/O

Multiplexed I/O & Peripheral Pin 20 (General)

I/O

Multiplexed I/O & Peripheral Pin 21 (General)

I/O

Multiplexed I/O & Peripheral Pin 22 (UART, SPI, ADC, PWM)

I/O

Multiplexed I/O & Peripheral Pin 23 (UART, ADC, PWM)

I/O

Multiplexed I/O & Peripheral Pin 24 (UART, SPI, ADC, PWM)

I/O

Multiplexed I/O & Peripheral Pin 25 (UART, ADC, PWM)

I/O

Multiplexed I/O & Peripheral Pin 26 (General)

I/O

Multiplexed I/O & Peripheral Pin 27 (General)

I/O

Multiplexed I/O & Peripheral Pin 28 (UART, SPI, ADC, DAC)

I/O

Multiplexed I/O & Peripheral Pin 29 (SPI, ADC, DAC, PWM)

I/O

Multiplexed I/O & Peripheral Pin 30 (SPI, ADC)

I/O

Multiplexed I/O & Peripheral Pin 31 (SPI, ADC, PWM)

I/O

Multiplexed I/O & Peripheral Pin 32 (UART, ADC)

I/O

Multiplexed I/O & Peripheral Pin 33 (UART, ADC)

I/O

Multiplexed I/O & Peripheral Pin 34 (UART, ADC, PWM)

I/O

Multiplexed I/O & Peripheral Pin 35 (ADC, PWM)

I/O

Multiplexed I/O & Peripheral Pin 36 (SPI, I2C, RTC/CLK)

I/O

Multiplexed I/O & Peripheral Pin - (SPI, ADC)

I/O

Multiplexed I/O & Peripheral Pin - (ADC)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin - (I2C, ADC)

I/O

Multiplexed I/O & Peripheral Pin - (I2C, ADC)

I/O

Multiplexed I/O & Peripheral Pin - (I2C)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin 37 (UART)

I/O

Multiplexed I/O & Peripheral Pin 38 (UART, PWM)

I/O

Multiplexed I/O & Peripheral Pin 39 (UART, PWM)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin 40 (UART, PWM)

I/O

Multiplexed I/O & Peripheral Pin 41 (SPI, PWM)

I/O

Multiplexed I/O & Peripheral Pin 42 (SPI, PWM)

I/O

Multiplexed I/O & Peripheral Pin 43 (SPI, PWM)

I/O

Multiplexed I/O & Peripheral Pin 44 (PWM)

I/O

Multiplexed I/O & Peripheral Pin 45 (General)

I/O

Multiplexed I/O & Peripheral Pin 46 (UART, SPI, PWM)

I/O

Multiplexed I/O & Peripheral Pin 47 (UART, I2C, PWM)

I/O

Multiplexed I/O & Peripheral Pin 48 (General)

I/O

Multiplexed I/O & Peripheral Pin 50 (General)

I/O

Multiplexed I/O & Peripheral Pin 51 (UART, SPI)

I/O

Multiplexed I/O & Peripheral Pin 52 (UART, SPI, PWM)

I/O

Multiplexed I/O & Peripheral Pin 53 (UART, SPI, PWM)

I/O

Multiplexed I/O & Peripheral Pin 54 (UART, SPI, PWM, RTC/CLK)

I/O

Multiplexed I/O & Peripheral Pin 55 (UART, SPI)

I/O

Multiplexed I/O & Peripheral Pin 56 (UART)

I/O

Multiplexed I/O & Peripheral Pin 57 (UART)

I/O

Multiplexed I/O & Peripheral Pin 58 (UART, SPI, I2C)

I/O

Multiplexed I/O & Peripheral Pin 59 (UART)

I/O

Multiplexed I/O & Peripheral Pin 60 (SPI, PWM)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin 61 (UART, PWM)

I/O

Multiplexed I/O & Peripheral Pin 62 (UART, PWM)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin - (UART)

I/O

Multiplexed I/O & Peripheral Pin - (UART)

I/O

Multiplexed I/O & Peripheral Pin - (General)

I/O

Multiplexed I/O & Peripheral Pin - (USB)

I/O

Multiplexed I/O & Peripheral Pin 63 (PWM)

I/O

Multiplexed I/O & Peripheral Pin 64 (UART, PWM)

I/O

Multiplexed I/O & Peripheral Pin 65 (UART, PWM)

I/O

Multiplexed I/O & Peripheral Pin 66 (PWM, RTC/CLK)

100

I/O

Multiplexed I/O & Peripheral Pin 67 (UART, RTC/CLK)

101

I/O

Multiplexed I/O & Peripheral Pin 68 (UART, SPI, I2C, PWM)

102

I/O

Multiplexed I/O & Peripheral Pin 69 (UART, PWM)

103

I/O

Multiplexed I/O & Peripheral Pin 70 (UART, SPI, PWM)

104

I/O

Multiplexed I/O & Peripheral Pin 71 (UART, SPI)

105

I/O

Multiplexed I/O & Peripheral Pin 72 (SWD/JTAG)

106

I/O

Multiplexed I/O & Peripheral Pin 73 (General)

107

I/O

Multiplexed I/O & Peripheral Pin 74 (General)

108

I/O

Multiplexed I/O & Peripheral Pin 75 (General)

109

I/O

Multiplexed I/O & Peripheral Pin 76 (SWD/JTAG)

110

I/O

Multiplexed I/O & Peripheral Pin 77 (UART, SPI, SWD/JTAG)

111

I/O

Multiplexed I/O & Peripheral Pin 78 (UART, SPI)

112

I/O

Multiplexed I/O & Peripheral Pin 79 (UART, SPI)

113

I/O

Multiplexed I/O & Peripheral Pin 80 (UART, SPI)

114

I/O

Multiplexed I/O & Peripheral Pin 81 (UART, SPI)

115

I/O

Multiplexed I/O & Peripheral Pin 82 (General)

116

I/O

Multiplexed I/O & Peripheral Pin 83 (UART)

117

I/O

Multiplexed I/O & Peripheral Pin 84 (UART, SPI)

118

I/O

Multiplexed I/O & Peripheral Pin 85 (UART)

119

I/O

Multiplexed I/O & Peripheral Pin 86 (UART)

120

I/O

Multiplexed I/O & Peripheral Pin - (General)

121

I/O

Multiplexed I/O & Peripheral Pin - (General)

122

I/O

Multiplexed I/O & Peripheral Pin 87 (UART, SPI, I2C)

123

I/O

Multiplexed I/O & Peripheral Pin 88 (UART, SPI)

124

I/O

Multiplexed I/O & Peripheral Pin - (UART, SPI)

125

I/O

Multiplexed I/O & Peripheral Pin - (SPI)

126

I/O

Multiplexed I/O & Peripheral Pin - (SPI)

127

I/O

Multiplexed I/O & Peripheral Pin - (UART, SPI)

128

I/O

Multiplexed I/O & Peripheral Pin - (UART, SPI)

129

I/O

Multiplexed I/O & Peripheral Pin - (UART, SPI)

130

I/O

Multiplexed I/O & Peripheral Pin - (General)

131

I/O

Multiplexed I/O & Peripheral Pin - (General)

132

I/O

Multiplexed I/O & Peripheral Pin - (UART, SPI)

133

I/O

Multiplexed I/O & Peripheral Pin 89 (SPI, PWM, SWD/JTAG)

134

I/O

Multiplexed I/O & Peripheral Pin 90 (UART, SPI, PWM, SWD/JTAG)

135

I/O

Multiplexed I/O & Peripheral Pin 91 (SPI, I2C)

136

I/O

Multiplexed I/O & Peripheral Pin 92 (UART, I2C, PWM)

137

I/O

Multiplexed I/O & Peripheral Pin 93 (UART, I2C, PWM)

138

I/O

Multiplexed I/O & Peripheral Pin 94 (General)

139

I/O

Multiplexed I/O & Peripheral Pin 95 (UART, I2C)

140

I/O

Multiplexed I/O & Peripheral Pin 96 (UART, SPI, I2C)

141

I/O

Multiplexed I/O & Peripheral Pin 97 (UART)

142

I/O

Multiplexed I/O & Peripheral Pin 98 (UART)

143

I/O

Multiplexed I/O & Peripheral Pin - (General)

144

100

I/O

Multiplexed I/O & Peripheral Pin 100 (General)

Mechanical Dimensions & Land Pattern (LQFP-144(20x20))

Extracted from Datasheet & IPC-7351B Normalized

Package Body (D × E)Nominal

20.00 × 20.00 mm

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

A=1.60mm · e=0.50mm

Pad Size (W × L)Level B

0.35 × 1.35 mm

Pins / Total PadsTopology

144P / 144Pad (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-144(20x20)	Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — STM32H753ZIT6U (LQFP-144(20x20))

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 STM32H753ZIT6U (LQFP-144(20x20))?

Manufactured by ST, the STM32H753ZIT6U is housed in a LQFP-144(20x20) package with 144 pins and a 0.50 mm lead pitch. Key pins include: 1 (1: Multiplexed I/O & Peripheral Pin 1 (SPI)), 2 (2: Multiplexed I/O & Peripheral Pin 2 (General)), 3 (3: Multiplexed I/O & Peripheral Pin 3 (SPI)), 4 (4: Multiplexed I/O & Peripheral Pin 4 (SPI)), 5 (5: Multiplexed I/O & Peripheral Pin 5 (SPI)), 6 (6: Multiplexed I/O & Peripheral Pin 6 (General)).

What are the IPC-7351B PCB Footprint dimensions for STM32H753ZIT6U?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), STM32H753ZIT6U (LQFP-144(20x20)) has a nominal body envelope of 20.00 × 20.00 mm, pitch e = 0.50 mm, and 144 copper pads.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for STM32H753ZIT6U?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for STM32H753ZIT6U (ST, LQFP-144(20x20)) 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 (144 pins) & STM32H753 Family VariantsExpand static table

Pin #	Signal Name	Electrical Type	Functional Description & Design Notes
1	1	Digital_IO	Signal terminal 1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_SCK. Supported peripheral buses: SPI.
2	2	Digital_IO	Signal terminal 2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 2. Supported peripheral buses: General.
3	3	Digital_IO	Signal terminal 3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_NSS_SAI1FSA. Supported peripheral buses: SPI.
4	4	Digital_IO	Signal terminal 4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 4. Supported peripheral buses: SPI.
5	5	Digital_IO	Signal terminal 5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_MOSI_SAI1SDA. Supported peripheral buses: SPI.
6	6	Digital_IO	Signal terminal 6 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 6. Supported peripheral buses: General.
7	7	Digital_IO	Signal terminal 7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 7. Supported peripheral buses: RTC/CLK.
8	8	Digital_IO	Signal terminal 8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 8. Supported peripheral buses: RTC/CLK.
9	9	Digital_IO	Signal terminal 9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 9. Supported peripheral buses: RTC/CLK.
10	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C.
11	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C.
12	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C.
13	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC.
14	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC.
15	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC.
16	10	Digital_IO	Signal terminal 10 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 10. Supported peripheral buses: General.
17	11	Digital_IO	Signal terminal 11 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 11. Supported peripheral buses: General.
18	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC.
19	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: UART, ADC.
20	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI5_MISO. Supported peripheral buses: UART, SPI, ADC.
21	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI5_MOSI_SAI1FSB. Supported peripheral buses: UART, SPI, ADC.
22	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC.
23	12	Digital_IO	Signal terminal 12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 12. Supported peripheral buses: RTC/CLK.
24	13	Digital_IO	Signal terminal 13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 13. Supported peripheral buses: RTC/CLK.
25	14	Digital_IO	Signal terminal 14 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 14. Supported peripheral buses: General.
26	15	Digital_IO	Signal terminal 15 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 15. Supported peripheral buses: ADC.
27	16	Digital_IO	Signal terminal 16 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MOSI. Supported peripheral buses: SPI, ADC, RTC/CLK.
28	PC2_C	Digital_IO	Signal terminal PC2_C (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC2_C. Supported peripheral buses: General.
29	PC3_C	Digital_IO	Signal terminal PC3_C (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC3_C. Supported peripheral buses: General.
30	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
31	19	Digital_IO	Signal terminal 19 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 19. Supported peripheral buses: General.
32	20	Digital_IO	Signal terminal 20 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 20. Supported peripheral buses: General.
33	21	Digital_IO	Signal terminal 21 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 21. Supported peripheral buses: General.
34	22	Digital_IO	Signal terminal 22 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 22. Supported peripheral buses: UART, SPI, ADC, PWM.
35	23	Digital_IO	Signal terminal 23 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 23. Supported peripheral buses: UART, ADC, PWM.
36	24	Digital_IO	Signal terminal 24 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 24. Supported peripheral buses: UART, SPI, ADC, PWM.
37	25	Digital_IO	Signal terminal 25 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 25. Supported peripheral buses: UART, ADC, PWM.
38	26	Digital_IO	Signal terminal 26 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 26. Supported peripheral buses: General.
39	27	Digital_IO	Signal terminal 27 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 27. Supported peripheral buses: General.
40	28	Digital_IO	Signal terminal 28 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_NSS, SPI3_NSS. Supported peripheral buses: UART, SPI, ADC, DAC.
41	29	Digital_IO	Signal terminal 29 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_SCK, SPI6_SCK. Supported peripheral buses: SPI, ADC, DAC, PWM.
42	30	Digital_IO	Signal terminal 30 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MISO, SPI6_MISOTIM13CH1. Supported peripheral buses: SPI, ADC.
43	31	Digital_IO	Signal terminal 31 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_MOSI, SPI6_MOSITIM14CH1. Supported peripheral buses: SPI, ADC, PWM.
44	32	Digital_IO	Signal terminal 32 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 32. Supported peripheral buses: UART, ADC.
45	33	Digital_IO	Signal terminal 33 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 33. Supported peripheral buses: UART, ADC.
46	34	Digital_IO	Signal terminal 34 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 34. Supported peripheral buses: UART, ADC, PWM.
47	35	Digital_IO	Signal terminal 35 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 35. Supported peripheral buses: ADC, PWM.
48	36	Digital_IO	Signal terminal 36 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MOSI. Supported peripheral buses: SPI, I2C, RTC/CLK.
49	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI5_MOSI_SAI2SDB. Supported peripheral buses: SPI, ADC.
50	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC.
51	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
52	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
53	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C, ADC.
54	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C, ADC.
55	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C.
56	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
57	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
58	37	Digital_IO	Signal terminal 37 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 37. Supported peripheral buses: UART.
59	38	Digital_IO	Signal terminal 38 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 38. Supported peripheral buses: UART, PWM.
60	39	Digital_IO	Signal terminal 39 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 39. Supported peripheral buses: UART, PWM.
61	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
62	-	Digital_IO	Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
63	40	Digital_IO	Signal terminal 40 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 40. Supported peripheral buses: UART, PWM.
64	41	Digital_IO	Signal terminal 41 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_NSS_SAI2SDB. Supported peripheral buses: SPI, PWM.

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STM32H753ZIT6U

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