Loads when you scroll to it. Unloads after 5 minutes in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

PCB Footprint

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Loads when you scroll to it. Unloads after 5 minutes in the background.
Download PDF
Contents

README

markdown

APM32F091RCT6

Geehy · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-64(10x10)

APM32F091RCT6 from Geehy, in a LQFP-64(10x10). 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 VBAT power_in Backup power supply pin, listed as pin 1 in the LQFP64 column.
2 PC13 bidirectional STD I/O with additional functions WKUP2, RTC_TAMP1, RTC_TS and RTC_OUT.
3 PC14-OSC32_IN bidirectional STD I/O (PC14) with additional function OSC32_IN.
4 PC15-OSC32_OUT bidirectional STD I/O (PC15) with additional function OSC32_OUT.
5 PF0-OSC_IN bidirectional 5V-tolerant (5T) I/O (PF0) with default functions CRS_SYNC and I2C1_SDA and additional function OSC_IN.
6 PF1-OSC_OUT bidirectional 5V-tolerant (5T) I/O (PF1) with default function I2C1_SCL and additional function OSC_OUT.
7 NRST bidirectional Bidirectional reset pin with built-in pull-up resistor (RST structure).
8 PC0 bidirectional STDA I/O with default functions EVENTOUT, USART6_TX and USART7_TX and additional function ADC_IN10.
9 PC1 bidirectional STDA I/O with default functions EVENTOUT, USART6_RX and USART7_RX and additional function ADC_IN11.
10 PC2 bidirectional STDA I/O with default functions SPI2_MISO, I2S2_MCK, EVENTOUT and USART8_TX and additional function ADC_IN12.
11 PC3 bidirectional STDA I/O with default functions SPI2_MOSI, I2S2_SD, EVENTOUT and USART8_RX and additional function ADC_IN13.
12 VSSA power_in Analog ground.
13 VDDA power_in Analog power supply.
14 PA0 bidirectional STDA I/O with default functions USART2_CTS, TMR2_CH1_ETR, COMP1_OUT, TSC_G1_IO1 and USART4_TX and additional functions RTC_TAMP2, WKUP1, ADC_IN0 and COMP1_INM6.
15 PA1 bidirectional STDA I/O with default functions USART2_RTS, TMR2_CH2, TMR15_CH1N, TSC_G1_IO2, USART4_RX and EVENTOUT and additional functions ADC_IN1 and COMP1_INP.
16 PA2 bidirectional STDA I/O with default functions USART2_TX, COMP2_OUT, TMR2_CH3, TMR15_CH1 and TSC_G1_IO3 and additional functions ADC_IN2, COMP2_INM6 and WKUP4.
17 PA3 bidirectional STDA I/O with default functions USART2_RX, TMR2_CH4, TMR15_CH2 and TSC_G1_IO4 and additional functions ADC_IN3 and COMP2_INP.
18 VSS power_in Ground.
19 VDD power_in Digital power supply.
20 PA4 bidirectional STDA I/O with default functions SPI1_NSS, I2S1_WS, TMR14_CH1, TSC_G2_IO1, USART2_CK and USART6_TX and additional functions COMP1_INM4, COMP2_INM4, ADC_IN4 and DAC_OUT1.
21 PA5 bidirectional I/O pin; its functions are not given in the provided pages.
22 PA6 bidirectional I/O pin; its functions are not given in the provided pages.
23 PA7 bidirectional I/O pin; its functions are not given in the provided pages.
24 PC4 bidirectional I/O pin; its functions are not given in the provided pages.
25 PC5 bidirectional I/O pin; its functions are not given in the provided pages.
26 PB0 bidirectional I/O pin; its functions are not given in the provided pages.
27 PB1 bidirectional I/O pin; its functions are not given in the provided pages.
28 PB2 bidirectional I/O pin; its functions are not given in the provided pages.
29 PB10 bidirectional I/O pin; its functions are not given in the provided pages.
30 PB11 bidirectional I/O pin; its functions are not given in the provided pages.
31 VSS power_in Ground pin shown in the LQFP64 pin diagram.
32 VDD power_in Digital power supply pin shown in the LQFP64 pin diagram.
33 PB12 bidirectional I/O pin; its functions are not given in the provided pages.
34 PB13 bidirectional I/O pin; its functions are not given in the provided pages.
35 PB14 bidirectional I/O pin; its functions are not given in the provided pages.
36 PB15 bidirectional I/O pin; its functions are not given in the provided pages.
37 PC6 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
38 PC7 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
39 PC8 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
40 PC9 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
41 PA8 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
42 PA9 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
43 PA10 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
44 PA11 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
45 PA12 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
46 PA13 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
47 VSS power_in Ground pin shown in the LQFP64 pin diagram.
48 VDDIO2 power_in Supply pin for the I/O pins shaded in the pin diagram as powered by VDDIO2.
49 PA14 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
50 PA15 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
51 PC10 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
52 PC11 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
53 PC12 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
54 PD2 bidirectional I/O pin powered by VDDIO2 (shaded in the pin diagram); its functions are not given in the provided pages.
55 PB3 bidirectional I/O pin; its functions are not given in the provided pages.
56 PB4 bidirectional I/O pin; its functions are not given in the provided pages.
57 PB5 bidirectional I/O pin; its functions are not given in the provided pages.
58 PB6 bidirectional I/O pin; its functions are not given in the provided pages.
59 PB7 bidirectional I/O pin; its functions are not given in the provided pages.
60 PF11-BOOT0 input Pin shared between PF11 and the dedicated Boot0 boot-selection input; its electrical details are not given in the provided pages.
61 PB8 bidirectional I/O pin; its functions are not given in the provided pages.
62 PB9 bidirectional I/O pin; its functions are not given in the provided pages.
63 VSS power_in Ground pin shown in the LQFP64 pin diagram.
64 VDD power_in Digital power supply pin shown in the LQFP64 pin diagram.

Key specifications

Parameter Value
Manufacturer Geehy
Package LQFP-64(10x10)
Category Single Chip Microcomputer/Microcontroller
Pins 64

CAD (KiCad official)

  • Symbol: APM32F091RCT6
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: apm32f091rct6-etched.step / apm32f091rct6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); apm32f091rct6.step / apm32f091rct6.glb are the bare package body.

Provenance

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

  • Datasheet: Geehy datasheet (78 pp, sha256 7eafce713f99acb3, retrieved 2026-10-27, 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