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STM32F429IIT6 (LQFP-176(24x24)) — Symbol, Footprint IPC-7351B & 3D STEP Model

STM32F429IIT6

STID: C75389LQFP-176(24x24) · 176 Pins · Pitch 0.50mmIPC TOLERANCE VARIATION5.0 (0)
SYNCHRONIZED 4D CROSS-PROBE MODETouch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
1. SYMBOL
U1 · STM32F429IIT6 (LQFP-176(24x24))1P12P23P34PE55PE66VBAT7PI88PC139PC14 - OSC3210IO511PI912PI1013PI1114VSS15VDD16PF017PF118PF219PF320PF421PF522VSS23VDD24PF625PF726PF827PF928PF1029PH0OSC IN -_30PH1 - OSC_OU31NRST32PC033PC134PC235PC336VDD37VSSA38VREF+39VDDA40PA0WKUP - (P41PA142PA243PH244PH345PH446PH547PA348BYPASS_ REG49VDD50PA451PA552PA653PA754PC455PC556PB057PB158PB2BOOT1 - (59PF1160PF1261VSS62VDD63PF1364PF1465PF1566PG067PG168PE769PE870PE971VSS72VDD73PE1074PE1175PE1276PE1377PE1478PE1579PB1080PB1181VCAP_182VDD83PH684PH785PH886PH987PH1088PH11176PI7175PI6174PI5173PI4172VDD171PDR_ON170PE1169PE0168PB9167PB8166BOOT0165PB7164PB6163PB5162PB4 (NJTRST)161PB3 (JTDO/TR160PG15159VDD158VSS157PG14156PG13155PG12154PG11153PG10152PG9151PD7150PD6149VDD148VSS147PD5146PD4145PD3144PD2143PD1142PD0141PC12140PC11139PC10138PA15 (JTDI)137PA14 (JTCK -136VDD135VSS134PI3133PI2132PI1131PI0130PH15129PH14128PH13127VDD126VSS125VCAP_2124PA13 JTMSSWD123PA12122PA11121PA10120PA9119PA8118PC9117PC8116PC7115PC6114VDD113VSS112PG8111PG7110PG6109PG5108PG4107PG3106PG2105PD15104PD14103VDD102VSS101PD13100PD1299PD1198PD1097PD996PD895PB1594PB1493PB1392PB1291VDD90VSS89PH12Grid Pitch = 2.54mm (IEEE-315)-17.8-12.7-7.6-2.52.57.612.717.8116.8111.8106.7101.696.591.486.481.376.271.166.061.055.950.845.740.635.630.525.420.315.210.25.10-5.1-10.2-15.2-20.3-25.4-30.5-35.6-40.6-45.7-50.8-55.9-61.0-66.0-71.1-76.2-81.3-86.4-91.4-96.5-101.6-106.7-111.8-116.8mm
2. 2D FOOTPRINT
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176E=24.00mm · Pitch e=0.50mmD=24.00mm-20-18-16-14-12-10-8-6-4-20246810121416182020181614121086420-2-4-6-8-10-12-14-16-18-20mm
3. 3D CAD MODEL
Package Body: 24.00mm × 24.00mm · Pitch: 0.50mm · Ruler Step: 1.00mmSynced <100ms

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

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
PinSymbolTypeFunction (EN)
1P1I/OMultiplexed I/O & Peripheral Pin P1 (General)
2P2I/OMultiplexed I/O & Peripheral Pin P2 (General)
3P3I/OMultiplexed I/O & Peripheral Pin P3 (General)
4PE5I/OMultiplexed I/O & Peripheral Pin PE5 (SPI)
5PE6I/OMultiplexed I/O & Peripheral Pin PE6 (SPI)
6VBATPowerPower Supply Input (VBAT — 3.3V VDD (Max 4.0V))
7PI8I/OMultiplexed I/O & Peripheral Pin PI8 (General)
8PC13I/OMultiplexed I/O & Peripheral Pin PC13 (General)
9PC14 - OSC32_IN (PC14)I/OMultiplexed I/O & Peripheral Pin PC14 - OSC32_IN (PC14) (RTC/CLK)
10IO5I/OGPIO5 / RTC_GPIO5 / TOUCH5 / ADC1_CH4
11PI9I/OMultiplexed I/O & Peripheral Pin PI9 (CAN)
12PI10I/OMultiplexed I/O & Peripheral Pin PI10 (General)
13PI11I/OMultiplexed I/O & Peripheral Pin PI11 (General)
14VSSGNDGround Reference Pin (VSS)
15VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
16PF0I/OMultiplexed I/O & Peripheral Pin PF0 (I2C)
17PF1I/OMultiplexed I/O & Peripheral Pin PF1 (I2C)
18PF2I/OMultiplexed I/O & Peripheral Pin PF2 (I2C)
19PF3I/OMultiplexed I/O & Peripheral Pin PF3 (General)
20PF4I/OMultiplexed I/O & Peripheral Pin PF4 (General)
21PF5I/OMultiplexed I/O & Peripheral Pin PF5 (General)
22VSSGNDGround Reference Pin (VSS)
23VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
24PF6I/OMultiplexed I/O & Peripheral Pin PF6 (UART, SPI)
25PF7I/OMultiplexed I/O & Peripheral Pin PF7 (UART, SPI)
26PF8I/OMultiplexed I/O & Peripheral Pin PF8 (SPI)
27PF9I/OMultiplexed I/O & Peripheral Pin PF9 (SPI)
28PF10I/OMultiplexed I/O & Peripheral Pin PF10 (General)
29PH0OSC IN -_ (PH0)I/OMultiplexed I/O & Peripheral Pin PH0OSC IN -_ (PH0) (General)
30PH1 - OSC_OUT (PH1)I/OMultiplexed I/O & Peripheral Pin PH1 - OSC_OUT (PH1) (RTC/CLK)
31NRSTISystem Enable & Hardware Reset (NRST)
32PC0I/OMultiplexed I/O & Peripheral Pin PC0 (General)
33PC1I/OMultiplexed I/O & Peripheral Pin PC1 (General)
34PC2I/OMultiplexed I/O & Peripheral Pin PC2 (SPI)
35PC3I/OMultiplexed I/O & Peripheral Pin PC3 (SPI)
36VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
37VSSAGNDGround Reference Pin (VSSA)
38VREF+AnalogMultiplexed I/O & Peripheral Pin VREF+ (General)
39VDDAPowerPower Supply Input (VDDA — 3.3V VDD (Max 4.0V))
40PA0WKUP - (PA0)I/OMultiplexed I/O & Peripheral Pin PA0WKUP - (PA0) (UART, PWM)
41PA1I/OMultiplexed I/O & Peripheral Pin PA1 (UART, PWM)
42PA2I/OMultiplexed I/O & Peripheral Pin PA2 (UART, PWM)
43PH2I/OMultiplexed I/O & Peripheral Pin PH2 (General)
44PH3I/OMultiplexed I/O & Peripheral Pin PH3 (General)
45PH4I/OMultiplexed I/O & Peripheral Pin PH4 (I2C)
46PH5I/OMultiplexed I/O & Peripheral Pin PH5 (I2C)
47PA3I/OMultiplexed I/O & Peripheral Pin PA3 (UART, PWM)
48BYPASS_ REGI/OMultiplexed I/O & Peripheral Pin BYPASS_ REG (General)
49VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
50PA4I/OMultiplexed I/O & Peripheral Pin PA4 (UART, SPI)
51PA5I/OMultiplexed I/O & Peripheral Pin PA5 (SPI, PWM)
52PA6I/OMultiplexed I/O & Peripheral Pin PA6 (SPI, PWM)
53PA7I/OMultiplexed I/O & Peripheral Pin PA7 (SPI, PWM)
54PC4I/OMultiplexed I/O & Peripheral Pin PC4 (UART)
55PC5I/OMultiplexed I/O & Peripheral Pin PC5 (UART)
56PB0I/OMultiplexed I/O & Peripheral Pin PB0 (PWM)
57PB1I/OMultiplexed I/O & Peripheral Pin PB1 (PWM)
58PB2BOOT1 - (PB2)I/OMultiplexed I/O & Peripheral Pin PB2BOOT1 - (PB2) (General)
59PF11I/OMultiplexed I/O & Peripheral Pin PF11 (SPI)
60PF12I/OMultiplexed I/O & Peripheral Pin PF12 (General)
61VSSGNDGround Reference Pin (VSS)
62VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
63PF13I/OMultiplexed I/O & Peripheral Pin PF13 (General)
64PF14I/OMultiplexed I/O & Peripheral Pin PF14 (General)
65PF15I/OMultiplexed I/O & Peripheral Pin PF15 (General)
66PG0I/OMultiplexed I/O & Peripheral Pin PG0 (General)
67PG1I/OMultiplexed I/O & Peripheral Pin PG1 (General)
68PE7I/OMultiplexed I/O & Peripheral Pin PE7 (General)
69PE8I/OMultiplexed I/O & Peripheral Pin PE8 (UART, PWM)
70PE9I/OMultiplexed I/O & Peripheral Pin PE9 (PWM)
71VSSGNDGround Reference Pin (VSS)
72VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
73PE10I/OMultiplexed I/O & Peripheral Pin PE10 (PWM)
74PE11I/OMultiplexed I/O & Peripheral Pin PE11 (PWM)
75PE12I/OMultiplexed I/O & Peripheral Pin PE12 (SPI, PWM)
76PE13I/OMultiplexed I/O & Peripheral Pin PE13 (SPI, PWM)
77PE14I/OMultiplexed I/O & Peripheral Pin PE14 (SPI, PWM)
78PE15I/OMultiplexed I/O & Peripheral Pin PE15 (General)
79PB10I/OMultiplexed I/O & Peripheral Pin PB10 (UART, SPI, PWM)
80PB11I/OMultiplexed I/O & Peripheral Pin PB11 (UART, PWM)
81VCAP_1I/OMultiplexed I/O & Peripheral Pin VCAP_1 (General)
82VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
83PH6I/OMultiplexed I/O & Peripheral Pin PH6 (SPI, I2C)
84PH7I/OMultiplexed I/O & Peripheral Pin PH7 (I2C)
85PH8I/OMultiplexed I/O & Peripheral Pin PH8 (I2C)
86PH9I/OMultiplexed I/O & Peripheral Pin PH9 (I2C)
87PH10I/OMultiplexed I/O & Peripheral Pin PH10 (PWM)
88PH11I/OMultiplexed I/O & Peripheral Pin PH11 (PWM)
89PH12I/OMultiplexed I/O & Peripheral Pin PH12 (PWM)
90VSSGNDGround Reference Pin (VSS)
91VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
92PB12I/OMultiplexed I/O & Peripheral Pin PB12 (UART, SPI, I2C, CAN)
93PB13I/OMultiplexed I/O & Peripheral Pin PB13 (UART, SPI, PWM, CAN)
94PB14I/OMultiplexed I/O & Peripheral Pin PB14 (UART, SPI, PWM)
95PB15I/OMultiplexed I/O & Peripheral Pin PB15 (SPI, PWM, RTC/CLK)
96PD8I/OMultiplexed I/O & Peripheral Pin PD8 (UART)
97PD9I/OMultiplexed I/O & Peripheral Pin PD9 (UART)
98PD10I/OMultiplexed I/O & Peripheral Pin PD10 (UART)
99PD11I/OMultiplexed I/O & Peripheral Pin PD11 (UART)
100PD12I/OMultiplexed I/O & Peripheral Pin PD12 (UART, PWM)
101PD13I/OMultiplexed I/O & Peripheral Pin PD13 (PWM)
102VSSGNDGround Reference Pin (VSS)
103VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
104PD14I/OMultiplexed I/O & Peripheral Pin PD14 (PWM)
105PD15I/OMultiplexed I/O & Peripheral Pin PD15 (PWM)
106PG2I/OMultiplexed I/O & Peripheral Pin PG2 (General)
107PG3I/OMultiplexed I/O & Peripheral Pin PG3 (General)
108PG4I/OMultiplexed I/O & Peripheral Pin PG4 (General)
109PG5I/OMultiplexed I/O & Peripheral Pin PG5 (General)
110PG6I/OMultiplexed I/O & Peripheral Pin PG6 (General)
111PG7I/OMultiplexed I/O & Peripheral Pin PG7 (UART)
112PG8I/OMultiplexed I/O & Peripheral Pin PG8 (UART, SPI)
113VSSGNDGround Reference Pin (VSS)
114VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
115PC6I/OMultiplexed I/O & Peripheral Pin PC6 (UART, PWM)
116PC7I/OMultiplexed I/O & Peripheral Pin PC7 (UART, PWM)
117PC8I/OMultiplexed I/O & Peripheral Pin PC8 (UART, PWM)
118PC9I/OMultiplexed I/O & Peripheral Pin PC9 (PWM, RTC/CLK)
119PA8I/OMultiplexed I/O & Peripheral Pin PA8 (UART, I2C, RTC/CLK)
120PA9I/OMultiplexed I/O & Peripheral Pin PA9 (UART, I2C, PWM)
121PA10I/OMultiplexed I/O & Peripheral Pin PA10 (UART, PWM)
122PA11I/OMultiplexed I/O & Peripheral Pin PA11 (UART, PWM, CAN)
123PA12I/OMultiplexed I/O & Peripheral Pin PA12 (UART, CAN)
124PA13 JTMSSWDIO -I/OMultiplexed I/O & Peripheral Pin PA13 JTMSSWDIO - (SWD/JTAG)
125VCAP_2I/OMultiplexed I/O & Peripheral Pin VCAP_2 (General)
126VSSGNDGround Reference Pin (VSS)
127VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
128PH13I/OMultiplexed I/O & Peripheral Pin PH13 (PWM, CAN)
129PH14I/OMultiplexed I/O & Peripheral Pin PH14 (PWM)
130PH15I/OMultiplexed I/O & Peripheral Pin PH15 (PWM)
131PI0I/OMultiplexed I/O & Peripheral Pin PI0 (SPI)
132PI1I/OMultiplexed I/O & Peripheral Pin PI1 (SPI)
133PI2I/OMultiplexed I/O & Peripheral Pin PI2 (SPI, PWM)
134PI3I/OMultiplexed I/O & Peripheral Pin PI3 (SPI)
135VSSGNDGround Reference Pin (VSS)
136VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
137PA14 (JTCK - SWCLK)I/OMultiplexed I/O & Peripheral Pin PA14 (JTCK - SWCLK) (SWD/JTAG)
138PA15 (JTDI)I/OMultiplexed I/O & Peripheral Pin PA15 (JTDI) (SPI, SWD/JTAG)
139PC10I/OMultiplexed I/O & Peripheral Pin PC10 (UART, SPI)
140PC11I/OMultiplexed I/O & Peripheral Pin PC11 (UART, SPI)
141PC12I/OMultiplexed I/O & Peripheral Pin PC12 (UART, SPI)
142PD0I/OMultiplexed I/O & Peripheral Pin PD0 (CAN)
143PD1I/OMultiplexed I/O & Peripheral Pin PD1 (CAN)
144PD2I/OMultiplexed I/O & Peripheral Pin PD2 (UART)
145PD3I/OMultiplexed I/O & Peripheral Pin PD3 (UART, SPI)
146PD4I/OMultiplexed I/O & Peripheral Pin PD4 (UART)
147PD5I/OMultiplexed I/O & Peripheral Pin PD5 (UART)
148VSSGNDGround Reference Pin (VSS)
149VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
150PD6I/OMultiplexed I/O & Peripheral Pin PD6 (UART, SPI, I2C)
151PD7I/OMultiplexed I/O & Peripheral Pin PD7 (UART)
152PG9I/OMultiplexed I/O & Peripheral Pin PG9 (UART)
153PG10I/OMultiplexed I/O & Peripheral Pin PG10 (General)
154PG11I/OMultiplexed I/O & Peripheral Pin PG11 (General)
155PG12I/OMultiplexed I/O & Peripheral Pin PG12 (UART, SPI)
156PG13I/OMultiplexed I/O & Peripheral Pin PG13 (UART, SPI)
157PG14I/OMultiplexed I/O & Peripheral Pin PG14 (UART, SPI)
158VSSGNDGround Reference Pin (VSS)
159VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
160PG15I/OMultiplexed I/O & Peripheral Pin PG15 (UART)
161PB3 (JTDO/TRACE SWO)I/OMultiplexed I/O & Peripheral Pin PB3 (JTDO/TRACE SWO) (SPI, PWM, SWD/JTAG)
162PB4 (NJTRST)I/OMultiplexed I/O & Peripheral Pin PB4 (NJTRST) (SPI, SWD/JTAG)
163PB5I/OMultiplexed I/O & Peripheral Pin PB5 (SPI, I2C, PWM, CAN)
164PB6I/OMultiplexed I/O & Peripheral Pin PB6 (UART, PWM, CAN)
165PB7I/OMultiplexed I/O & Peripheral Pin PB7 (UART, PWM)
166BOOT0IInput-Only Pin BOOT0 (General)
167PB8I/OMultiplexed I/O & Peripheral Pin PB8 (I2C, PWM)
168PB9I/OMultiplexed I/O & Peripheral Pin PB9 (SPI, I2C, PWM, CAN)
169PE0I/OMultiplexed I/O & Peripheral Pin PE0 (UART)
170PE1I/OMultiplexed I/O & Peripheral Pin PE1 (UART)
171PDR_ONI/OMultiplexed I/O & Peripheral Pin PDR_ON (General)
172VDDPowerPower Supply Input (VDD — 3.3V VDD (Max 4.0V))
173PI4I/OMultiplexed I/O & Peripheral Pin PI4 (General)
174PI5I/OMultiplexed I/O & Peripheral Pin PI5 (General)
175PI6I/OMultiplexed I/O & Peripheral Pin PI6 (General)
176PI7I/OMultiplexed I/O & Peripheral Pin PI7 (General)
PIN 1 P1
I/O
Multiplexed I/O & Peripheral Pin P1 (General)
Design note: Signal terminal P1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: P1. Supported peripheral buses: General.
IPC-7351B Solder Density & Span C/G/Z Tuner

Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings + 7 Extracted Figures)

Read the original datasheet PDF directly or click any drawing to view fullscreen
Open PDF in New Window ↗Read Datasheet PDF (.pdf)
PDF VIEWEROfficial Datasheet Document: STM32F429IIT6 (ST · LQFP-176(24x24))
Scroll, search text (Ctrl+F), or expand directly inside the embedded PDF reader below
1. Realistic 3D PackageREPRESENTATIVE
STM32F429IIT6 (LQFP-176(24x24)) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
STM32F429IIT6 (LQFP-176(24x24)) - 2. Standard Pinout (Top View)
True package pinout (176 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
STM32F429IIT6 (LQFP-176(24x24)) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
STM32F429IIT6 (LQFP-176(24x24)) - 4. Package Dimensions (D×E×A)
LQFP-176(24x24) · 24.00×24.00mm · Pitch 0.50mmExpand ›
5. Recommended Land PatternLAND PATTERN
STM32F429IIT6 (LQFP-176(24x24)) - 5. Recommended Land Pattern
IPC-7351B Footprint (176 Pads)Expand ›
6. Application SchematicSCHEMATIC
STM32F429IIT6 (LQFP-176(24x24)) - 6. Application Schematic
Typical Application SchematicExpand ›
Original Datasheet Pinouts & Technical Drawings (7 figures · Page 1/1)
Showing 1–7 of 7 uncropped original figures for STM32F427 / STM32F429
P1 · p01_fig01EXACT PACKAGE
STM32F429IIT6 (LQFP-176(24x24)) — ARM Cortex-M4 32b MCU+FPU，225DMIPS，高达2MB Flash/256+4KB RAM，USB
ARM Cortex-M4 32b MCU+FPU，225DMIPS，高达2MB Flash/256+4KB RAM，USB
P46 · p46_fig01EXACT PACKAGE
STM32F429IIT6 (LQFP-176(24x24)) — 图 14. STM32F42x LQFP176 引脚排列
图 14. STM32F42x LQFP176 引脚排列
P51 · p51_fig01EXACT PACKAGE
STM32F429IIT6 (LQFP-176(24x24)) — 其他函数 通过外设寄存器直接选择/ 启用的功能
其他函数 通过外设寄存器直接选择/ 启用的功能
P46 · p46_fig01P46
STM32F429IIT6 (LQFP-176(24x24)) — Datasheet Page 46 (p46_fig01)
Datasheet Page 46 (p46_fig01)
P118 · p118_fig011751×658px
STM32F429IIT6 (LQFP-176(24x24)) — 图 29. 采用 8 MHz 晶振的典型应用
图 29. 采用 8 MHz 晶振的典型应用
P118 · p118_fig01P118
STM32F429IIT6 (LQFP-176(24x24)) — Datasheet Page 118 (p118_fig01)
Datasheet Page 118 (p118_fig01)
P119 · p119_fig011751×618px
STM32F429IIT6 (LQFP-176(24x24)) — 图 30. 采用 32.768 kHz 晶振的典型应用
图 30. 采用 32.768 kHz 晶振的典型应用

Technical Specifications & Part Details (STM32F429IIT6)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Embedded Microcontroller Unit (MCU)
Detailed Overview:STM32F429IIT6 (LQFP-176(24x24)) is a 176-pin embedded microcontroller unit (mcu) featuring a 24.00 × 24.00 × 1.40 mm mechanical envelope (lead pitch e = 0.50 mm). Rated for 3.0V ~ 3.6V (Typ 3.3V) supply operation across -40°C ~ +85°C (Industrial Grade) with integrated USB, UART, SPI, I2C, I2S, CAN, ADC, DAC, PWM, SDIO, JTAG / SWD, IrDA, RTC/CLK, SWD/JTAG interfaces.
Operating Supply VoltageV_CC / V_DD
3.0V ~ 3.6V (Typ 3.3V)
Place 100nF + 10µF X7R decoupling capacitors < 2mm from supply pins
Ambient Operating TemperatureT_A
-40°C ~ +85°C (Industrial Grade)
Industrial temperature grade; T_J(max) = +125°C
Clock / RF Operating Frequencyf_CLK / f_RF
26 MHz
Extracted from authoritative PDF specification tables
Current & Power RatingI_OUT / I_CC
I_GPIO(max) = ±20 mA / pin | I_VDD(total) ≤ 150 mA
Observe per-pin absolute maximum current limits
Package Envelope (D × E × A)D × E × A
24.00 × 24.00 × 1.40 mm (A1=0.10 mm)
Package family: LQFP (LQFP-176(24x24))
Pin Count & Lead PitchN / e
176 Pins | Pitch e = 0.50 mm (19.7 mil)
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
USB, UART, SPI, I2C, I2S, CAN, ADC, DAC, PWM, SDIO, JTAG / SWD, IrDA, RTC/CLK, SWD/JTAG
Cross-linked with 4D Pinout & Schematic Symbol
Reflow & Moisture SensitivityIPC / MSL
IPC-7351B Level B | J-STD-020 (Peak 260°C) | MSL-3
60% windowed solder paste stencil on thermal EPAD
Engineering Safety Alert: Boot Strapping Pin Alert (PB2BOOT1 - (PB2), BOOT0): Do not force conflicting external pull-ups/pull-downs during POR reset.
Engineering Safety Alert: Connect exposed thermal pad (if present) to internal ground plane via 0.3mm stitched thermal vias.

5-Point Standards Verification

Automated compliance checks prior to export
5/5 PASS
IEEE-315 Symbol176 auto-grouped pins
OK
IPC-7351B Land Pattern176 pads · Pitch 0.50mm
OK
IPC-7525 60% Solder PasteReflow 1:1 Standard
OK
DFM Rules JLCPCB / PCBWayMin pad clearance: 0.25mm
OK
3D STEP AP214 & GLBAligned coordinate origin (0,0,0)
OK

Hardware Verification & Community Engineering Reviews

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet
5.00 PCB Verified

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

Extracted from Datasheet & IPC-7351B Normalized
mm
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
0.28 × 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 MPNValue / PackageFunction & 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) — STM32F429IIT6 (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 STM32F429IIT6 (LQFP-176(24x24))?

Manufactured by ST, the STM32F429IIT6 is housed in a LQFP-176(24x24) package with 176 pins and a 0.50 mm lead pitch. Key pins include: 1 (P1: Multiplexed I/O & Peripheral Pin P1 (General)), 2 (P2: Multiplexed I/O & Peripheral Pin P2 (General)), 3 (P3: Multiplexed I/O & Peripheral Pin P3 (General)), 4 (PE5: Multiplexed I/O & Peripheral Pin PE5 (SPI)), 5 (PE6: Multiplexed I/O & Peripheral Pin PE6 (SPI)), 6 (VBAT: Power Supply Input (VBAT — 3.3V VDD (Max 4.0V))).

What are the IPC-7351B PCB Footprint dimensions for STM32F429IIT6?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), STM32F429IIT6 (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 STM32F429IIT6?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for STM32F429IIT6 (ST, 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) & STM32F427 / STM32F429 Family VariantsExpand static table
Pin #Signal NameElectrical TypeFunctional Description & Design Notes
1P1Digital_IOSignal terminal P1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: P1. Supported peripheral buses: General.
2P2Digital_IOSignal terminal P2 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: P2. Supported peripheral buses: General.
3P3Digital_IOSignal terminal P3 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: P3. Supported peripheral buses: General.
4PE5Digital_IOSignal terminal PE5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI4_MISO. Supported peripheral buses: SPI.
5PE6Digital_IOSignal terminal PE6 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI4_MOSI. Supported peripheral buses: SPI.
6VBATPower_InPrimary positive power supply input (VBAT) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
7PI8Digital_IOSignal terminal PI8 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PI8. Supported peripheral buses: General.
8PC13Digital_IOSignal terminal PC13 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC13. Supported peripheral buses: General.
9PC14 - OSC32_IN (PC14)Digital_IOSignal terminal PC14 - OSC32_IN (PC14) (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC14 - OSC32_IN (PC14). Supported peripheral buses: RTC/CLK.
10IO5Digital_IOGPIO5 / RTC_GPIO5 / TOUCH5 / ADC1_CH4
11PI9Digital_IOSignal terminal PI9 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PI9. Supported peripheral buses: CAN.
12PI10Digital_IOSignal terminal PI10 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PI10. Supported peripheral buses: General.
13PI11Digital_IOSignal terminal PI11 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PI11. Supported peripheral buses: General.
14VSSGND0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks.
15VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
16PF0Digital_IOSignal terminal PF0 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PF0. Supported peripheral buses: I2C.
17PF1Digital_IOSignal terminal PF1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PF1. Supported peripheral buses: I2C.
18PF2Digital_IOSignal terminal PF2 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PF2. Supported peripheral buses: I2C.
19PF3Digital_IOSignal terminal PF3 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PF3. Supported peripheral buses: General.
20PF4Digital_IOSignal terminal PF4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PF4. Supported peripheral buses: General.
21PF5Digital_IOSignal terminal PF5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PF5. Supported peripheral buses: General.
22VSSGND0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks.
23VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
24PF6Digital_IOSignal terminal PF6 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI5_NSS. Supported peripheral buses: UART, SPI.
25PF7Digital_IOSignal terminal PF7 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI5_SCK. Supported peripheral buses: UART, SPI.
26PF8Digital_IOSignal terminal PF8 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI5_MISO. Supported peripheral buses: SPI.
27PF9Digital_IOSignal terminal PF9 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI5_MOSI. Supported peripheral buses: SPI.
28PF10Digital_IOSignal terminal PF10 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PF10. Supported peripheral buses: General.
29PH0OSC IN -_ (PH0)Digital_IOSignal terminal PH0OSC IN -_ (PH0) (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PH0OSC IN -_ (PH0). Supported peripheral buses: General.
30PH1 - OSC_OUT (PH1)Digital_IOSignal terminal PH1 - OSC_OUT (PH1) (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PH1 - OSC_OUT (PH1). Supported peripheral buses: RTC/CLK.
31NRSTDigital_IOActive-low hardware reset terminal (NRST): pulling this pin Low resets the processor core and peripherals.
32PC0Digital_IOSignal terminal PC0 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC0. Supported peripheral buses: General.
33PC1Digital_IOSignal terminal PC1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC1. Supported peripheral buses: General.
34PC2Digital_IOSignal terminal PC2 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI2_MISO. Supported peripheral buses: SPI.
35PC3Digital_IOSignal terminal PC3 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI2_MOSI. Supported peripheral buses: SPI.
36VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
37VSSAGND0V electrical ground return terminal (VSSA) for internal core logic, I/O drivers, and analog sub-blocks.
38VREF+AnalogSignal terminal VREF+ (Analog, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: VREF+. Supported peripheral buses: General.
39VDDAPower_InPrimary positive power supply input (VDDA) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
40PA0WKUP - (PA0)Digital_IOSignal terminal PA0WKUP - (PA0) (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA0WKUP - (PA0). Supported peripheral buses: UART, PWM.
41PA1Digital_IOSignal terminal PA1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA1. Supported peripheral buses: UART, PWM.
42PA2Digital_IOSignal terminal PA2 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA2. Supported peripheral buses: UART, PWM.
43PH2Digital_IOSignal terminal PH2 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PH2. Supported peripheral buses: General.
44PH3Digital_IOSignal terminal PH3 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PH3. Supported peripheral buses: General.
45PH4Digital_IOSignal terminal PH4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: I2C2_SCL. Supported peripheral buses: I2C.
46PH5Digital_IOSignal terminal PH5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PH5. Supported peripheral buses: I2C.
47PA3Digital_IOSignal terminal PA3 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA3. Supported peripheral buses: UART, PWM.
48BYPASS_ REGDigital_IOSignal terminal BYPASS_ REG (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: BYPASS_ REG. Supported peripheral buses: General.
49VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
50PA4Digital_IOSignal terminal PA4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_NSS, SPI3_NSS. Supported peripheral buses: UART, SPI.
51PA5Digital_IOSignal terminal PA5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_SCK. Supported peripheral buses: SPI, PWM.
52PA6Digital_IOSignal terminal PA6 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_MISO. Supported peripheral buses: SPI, PWM.
53PA7Digital_IOSignal terminal PA7 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_MOSI. Supported peripheral buses: SPI, PWM.
54PC4Digital_IOSignal terminal PC4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC4. Supported peripheral buses: UART.
55PC5Digital_IOSignal terminal PC5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC5. Supported peripheral buses: UART.
56PB0Digital_IOSignal terminal PB0 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB0. Supported peripheral buses: PWM.
57PB1Digital_IOSignal terminal PB1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB1. Supported peripheral buses: PWM.
58PB2BOOT1 - (PB2)Digital_IOSignal terminal PB2BOOT1 - (PB2) (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB2BOOT1 - (PB2). Supported peripheral buses: General.
59PF11Digital_IOSignal terminal PF11 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI5_MOSI. Supported peripheral buses: SPI.
60PF12Digital_IOSignal terminal PF12 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PF12. Supported peripheral buses: General.
61VSSGND0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks.
62VDDPower_InPrimary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V).
63PF13Digital_IOSignal terminal PF13 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PF13. Supported peripheral buses: General.
64PF14Digital_IOSignal terminal PF14 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PF14. Supported peripheral buses: General.
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