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Contents

README

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APM32F407IGT6

Geehy · Microcontrollers (MCU/MPU/SOC) · LQFP-176(24x24)

APM32F407IGT6 from Geehy, in a LQFP-176(24x24). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 PE2 bidirectional 5V-tolerant I/O pin (5T); alternate functions TRACECK, SMC_A23, ETH_MII_TXD3, EVENTOUT.
2 PE3 bidirectional 5V-tolerant I/O pin (5T); alternate functions TRACED0, SMC_A19, EVENTOUT.
3 PE4 bidirectional 5V-tolerant I/O pin (5T); alternate functions TRACED1, SMC_A20, DCI_D4, EVENTOUT.
4 PE5 bidirectional 5V-tolerant I/O pin (5T); alternate functions TRACED2, SMC_A21, TMR9_CH1, DCI_D6, EVENTOUT.
5 PE6 bidirectional 5V-tolerant I/O pin (5T); alternate functions TRACED3, SMC_A22, TMR9_CH2, DCI_D7, EVENTOUT.
6 VBAT power_in Backup domain power supply pin.
7 PI8 bidirectional 5V-tolerant I/O pin (5T); EVENTOUT, DMC_CAS, additional functions RTC_TAMP1, RTC_TAMP2, RTC_TS.
8 PC13 bidirectional 5V-tolerant I/O pin (5T); EVENTOUT, additional functions RTC_OUT, RTC_TAMP1, RTC_TS.
9 PC14 bidirectional 5V-tolerant I/O pin (5T) named PC14-OSC32_IN; EVENTOUT, additional function OSC32_IN.
10 PC15 bidirectional 5V-tolerant I/O pin (5T) named PC15-OSC32_OUT; EVENTOUT, additional function OSC32_OUT.
11 PI9 bidirectional 5V-tolerant I/O pin (5T); alternate functions CAN1_RX, EVENTOUT, DMC_RAS.
12 PI10 bidirectional 5V-tolerant I/O pin (5T); alternate functions ETH_MII_RX_ER, EVENTOUT, DMC_CS.
13 PI11 bidirectional 5V-tolerant I/O pin (5T); alternate function OTG_HS_ULPI_DIR among others.
14 VSS power_in Ground pin.
15 VDD power_in Digital power supply pin.
16 PF0 bidirectional General-purpose I/O pin PF0.
17 PF1 bidirectional General-purpose I/O pin PF1.
18 PF2 bidirectional General-purpose I/O pin PF2.
19 PF3 bidirectional General-purpose I/O pin PF3.
20 PF4 bidirectional General-purpose I/O pin PF4.
21 PF5 bidirectional General-purpose I/O pin PF5.
22 VSS power_in Ground pin.
23 VDD power_in Digital power supply pin.
24 PF6 bidirectional General-purpose I/O pin PF6.
25 PF7 bidirectional General-purpose I/O pin PF7.
26 PF8 bidirectional General-purpose I/O pin PF8.
27 PF9 bidirectional General-purpose I/O pin PF9.
28 PF10 bidirectional General-purpose I/O pin PF10.
29 PH0 bidirectional General-purpose I/O pin PH0.
30 PH1 bidirectional General-purpose I/O pin PH1.
31 NRST input Bidirectional reset pin with embedded pull-up resistor.
32 PC0 bidirectional General-purpose I/O pin PC0.
33 PC1 bidirectional General-purpose I/O pin PC1.
34 PC2 bidirectional General-purpose I/O pin PC2.
35 PC3 bidirectional General-purpose I/O pin PC3.
36 VDD power_in Digital power supply pin.
37 VSSA power_in Analog ground pin.
38 VREF+ power_in Positive reference voltage pin for the ADC/DAC.
39 VDDA power_in Analog power supply pin.
40 PA0 bidirectional General-purpose I/O pin PA0.
41 PA1 bidirectional General-purpose I/O pin PA1.
42 PA2 bidirectional General-purpose I/O pin PA2.
43 PH2 bidirectional General-purpose I/O pin PH2.
44 PH3 bidirectional General-purpose I/O pin PH3.
45 PH4 bidirectional General-purpose I/O pin PH4.
46 PH5 bidirectional General-purpose I/O pin PH5.
47 PA3 bidirectional General-purpose I/O pin PA3.
48 BYPASS_REG input Internal voltage regulator bypass control pin.
49 VDD power_in Digital power supply pin.
50 PA4 bidirectional General-purpose I/O pin PA4.
51 PA5 bidirectional General-purpose I/O pin PA5.
52 PA6 bidirectional General-purpose I/O pin PA6.
53 PA7 bidirectional General-purpose I/O pin PA7.
54 PC4 bidirectional General-purpose I/O pin PC4.
55 PC5 bidirectional General-purpose I/O pin PC5.
56 PB0 bidirectional General-purpose I/O pin PB0.
57 PB1 bidirectional General-purpose I/O pin PB1.
58 PB2 bidirectional General-purpose I/O pin PB2.
59 PF11 bidirectional General-purpose I/O pin PF11.
60 PF12 bidirectional General-purpose I/O pin PF12.
61 VSS power_in Ground pin.
62 VDD power_in Digital power supply pin.
63 PF13 bidirectional General-purpose I/O pin PF13.
64 PF14 bidirectional General-purpose I/O pin PF14.
65 PF15 bidirectional General-purpose I/O pin PF15.
66 PG0 bidirectional General-purpose I/O pin PG0.
67 PG1 bidirectional General-purpose I/O pin PG1.
68 PE7 bidirectional General-purpose I/O pin PE7.
69 PE8 bidirectional General-purpose I/O pin PE8.
70 PE9 bidirectional General-purpose I/O pin PE9.
71 VSS power_in Ground pin.
72 VDD power_in Digital power supply pin.
73 PE10 bidirectional General-purpose I/O pin PE10.
74 PE11 bidirectional General-purpose I/O pin PE11.
75 PE12 bidirectional General-purpose I/O pin PE12.
76 PE13 bidirectional General-purpose I/O pin PE13.
77 PE14 bidirectional General-purpose I/O pin PE14.
78 PE15 bidirectional General-purpose I/O pin PE15.
79 PB10 bidirectional General-purpose I/O pin PB10.
80 PB11 bidirectional General-purpose I/O pin PB11.
81 VCAP_1 passive Internal regulator output capacitor pin VCAP_1.
82 VDD power_in Digital power supply pin.
83 PH6 bidirectional General-purpose I/O pin PH6.
84 PH7 bidirectional General-purpose I/O pin PH7.
85 PH8 bidirectional General-purpose I/O pin PH8.
86 PH9 bidirectional General-purpose I/O pin PH9.
87 PH10 bidirectional General-purpose I/O pin PH10.
88 PH11 bidirectional General-purpose I/O pin PH11.
89 PH12 bidirectional General-purpose I/O pin PH12.
90 VSS power_in Ground pin.
91 VDD power_in Digital power supply pin.
92 PB12 bidirectional General-purpose I/O pin PB12.
93 PB13 bidirectional General-purpose I/O pin PB13.
94 PB14 bidirectional General-purpose I/O pin PB14.
95 PB15 bidirectional General-purpose I/O pin PB15.
96 PD8 bidirectional General-purpose I/O pin PD8.
97 PD9 bidirectional General-purpose I/O pin PD9.
98 PD10 bidirectional General-purpose I/O pin PD10.
99 PD11 bidirectional General-purpose I/O pin PD11.
100 PD12 bidirectional General-purpose I/O pin PD12.
101 PD13 bidirectional General-purpose I/O pin PD13.
102 VSS power_in Ground pin.
103 VDD power_in Digital power supply pin.
104 PD14 bidirectional General-purpose I/O pin PD14.
105 PD15 bidirectional General-purpose I/O pin PD15.
106 PG2 bidirectional General-purpose I/O pin PG2.
107 PG3 bidirectional General-purpose I/O pin PG3.
108 PG4 bidirectional General-purpose I/O pin PG4.
109 PG5 bidirectional General-purpose I/O pin PG5.
110 PG6 bidirectional General-purpose I/O pin PG6.
111 PG7 bidirectional General-purpose I/O pin PG7.
112 PG8 bidirectional General-purpose I/O pin PG8.
113 VSS power_in Ground pin.
114 VDD power_in Digital power supply pin.
115 PC6 bidirectional General-purpose I/O pin PC6.
116 PC7 bidirectional General-purpose I/O pin PC7.
117 PC8 bidirectional General-purpose I/O pin PC8.
118 PC9 bidirectional General-purpose I/O pin PC9.
119 PA8 bidirectional General-purpose I/O pin PA8.
120 PA9 bidirectional General-purpose I/O pin PA9.
121 PA10 bidirectional General-purpose I/O pin PA10.
122 PA11 bidirectional General-purpose I/O pin PA11.
123 PA12 bidirectional General-purpose I/O pin PA12.
124 PA13 bidirectional General-purpose I/O pin PA13.
125 VCAP_2 passive Internal regulator output capacitor pin VCAP_2.
126 VSS power_in Ground pin.
127 VDD power_in Digital power supply pin.
128 PH13 bidirectional General-purpose I/O pin PH13.
129 PH14 bidirectional General-purpose I/O pin PH14.
130 PH15 bidirectional General-purpose I/O pin PH15.
131 PI0 bidirectional General-purpose I/O pin PI0.
132 PI1 bidirectional General-purpose I/O pin PI1.
133 PI2 bidirectional General-purpose I/O pin PI2.
134 PI3 bidirectional General-purpose I/O pin PI3.
135 VSS power_in Ground pin.
136 VDD power_in Digital power supply pin.
137 PA14 bidirectional General-purpose I/O pin PA14.
138 PA15 bidirectional General-purpose I/O pin PA15.
139 PC10 bidirectional General-purpose I/O pin PC10.
140 PC11 bidirectional General-purpose I/O pin PC11.
141 PC12 bidirectional General-purpose I/O pin PC12.
142 PD0 bidirectional General-purpose I/O pin PD0.
143 PD1 bidirectional General-purpose I/O pin PD1.
144 PD2 bidirectional General-purpose I/O pin PD2.
145 PD3 bidirectional General-purpose I/O pin PD3.
146 PD4 bidirectional General-purpose I/O pin PD4.
147 PD5 bidirectional General-purpose I/O pin PD5.
148 VSS power_in Ground pin.
149 VDD power_in Digital power supply pin.
150 PD6 bidirectional General-purpose I/O pin PD6.
151 PD7 bidirectional General-purpose I/O pin PD7.
152 PG9 bidirectional General-purpose I/O pin PG9.
153 PG10 bidirectional General-purpose I/O pin PG10.
154 PG11 bidirectional General-purpose I/O pin PG11.
155 PG12 bidirectional General-purpose I/O pin PG12.
156 PG13 bidirectional General-purpose I/O pin PG13.
157 PG14 bidirectional General-purpose I/O pin PG14.
158 VSS power_in Ground pin.
159 VDD power_in Digital power supply pin.
160 PG15 bidirectional General-purpose I/O pin PG15.
161 PB3 bidirectional General-purpose I/O pin PB3.
162 PB4 bidirectional General-purpose I/O pin PB4.
163 PB5 bidirectional General-purpose I/O pin PB5.
164 PB6 bidirectional General-purpose I/O pin PB6.
165 PB7 bidirectional General-purpose I/O pin PB7.
166 BOOT0 input Dedicated Boot0 pin.
167 PB8 bidirectional General-purpose I/O pin PB8.
168 PB9 bidirectional General-purpose I/O pin PB9.
169 PE0 bidirectional General-purpose I/O pin PE0.
170 PE1 bidirectional General-purpose I/O pin PE1.
171 PDR_ON input Power-down reset control pin PDR_ON.
172 VDD power_in Digital power supply pin.
173 PI4 bidirectional General-purpose I/O pin PI4.
174 PI5 bidirectional General-purpose I/O pin PI5.
175 PI6 bidirectional General-purpose I/O pin PI6.
176 PI7 bidirectional General-purpose I/O pin PI7.

Key specifications

Parameter Value
Manufacturer Geehy
Package LQFP-176(24x24)
Category Embedded Processors & Controllers
Pins 176

CAD (KiCad official)

  • Symbol: APM32F407IGT6
  • Footprint: Package_QFP:LQFP-176_24x24mm_P0.5mm
  • 3D model: LQFP-176(24x24) (KiCad packages3D, STEP)
  • 3D model files: apm32f407igt6-etched.step / apm32f407igt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); apm32f407igt6.step / apm32f407igt6.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Geehy datasheet (103 pp, sha256 c54b9022a37c7c02, retrieved 2026-10-19, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF