component
APM32F091CCT6
Public Made by Adomby adom
Geehy Microcontroller Units (MCUs/MPUs/SOCs), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownAPM32F091CCT6
Geehy · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-48(7x7)
APM32F091CCT6 from Geehy, in a LQFP-48(7x7). 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 for the RTC and backup domain (1.65V to 3.6V per the feature list). |
| 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 for the 32.768kHz oscillator. |
| 4 | PC15-OSC32_OUT | bidirectional | STD I/O (PC15) with additional function OSC32_OUT for the 32.768kHz oscillator. |
| 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 | VSSA | power_in | Analog ground. |
| 9 | VDDA | power_in | Analog power supply (VDD to 3.6V per the feature list). |
| 10 | PA0 | bidirectional | STDA I/O with USART2_CTS, TMR2_CH1_ETR, COMP1_OUT, TSC_G1_IO1, USART4_TX and additional functions RTC_TAMP2, WKUP1, ADC_IN0, COMP1_INM6. |
| 11 | PA1 | bidirectional | STDA I/O with USART2_RTS, TMR2_CH2, TMR15_CH1N, TSC_G1_IO2, USART4_RX, EVENTOUT and additional functions ADC_IN1, COMP1_INP. |
| 12 | PA2 | bidirectional | STDA I/O with USART2_TX, COMP2_OUT, TMR2_CH3, TMR15_CH1, TSC_G1_IO3 and additional functions ADC_IN2, COMP2_INM6, WKUP4. |
| 13 | PA3 | bidirectional | STDA I/O with USART2_RX, TMR2_CH4, TMR15_CH2, TSC_G1_IO4 and additional functions ADC_IN3, COMP2_INP. |
| 14 | PA4 | bidirectional | STDA I/O with SPI1_NSS, I2S1_WS, TMR14_CH1, TSC_G2_IO1, USART2_CK, USART6_TX and additional functions COMP1_INM4, COMP2_INM4, ADC_IN4, DAC_OUT1. |
| 15 | PA5 | bidirectional | General-purpose I/O PA5 (function table not in the provided pages). |
| 16 | PA6 | bidirectional | General-purpose I/O PA6 (function table not in the provided pages). |
| 17 | PA7 | bidirectional | General-purpose I/O PA7 (function table not in the provided pages). |
| 18 | PB0 | bidirectional | General-purpose I/O PB0 (function table not in the provided pages). |
| 19 | PB1 | bidirectional | General-purpose I/O PB1 (function table not in the provided pages). |
| 20 | PB2 | bidirectional | General-purpose I/O PB2 (function table not in the provided pages). |
| 21 | PB10 | bidirectional | General-purpose I/O PB10 (function table not in the provided pages). |
| 22 | PB11 | bidirectional | General-purpose I/O PB11 (function table not in the provided pages). |
| 23 | VSS | power_in | Digital ground. |
| 24 | VDD | power_in | Digital power supply (2.0V to 3.6V). |
| 25 | PB12 | bidirectional | General-purpose I/O PB12 (function table not in the provided pages). |
| 26 | PB13 | bidirectional | General-purpose I/O PB13 (function table not in the provided pages). |
| 27 | PB14 | bidirectional | General-purpose I/O PB14 (function table not in the provided pages). |
| 28 | PB15 | bidirectional | General-purpose I/O PB15 (function table not in the provided pages). |
| 29 | PA8 | bidirectional | I/O PA8 powered by VDDIO2 (shaded in the pinout diagram). |
| 30 | PA9 | bidirectional | I/O PA9 powered by VDDIO2 (shaded in the pinout diagram). |
| 31 | PA10 | bidirectional | I/O PA10 powered by VDDIO2 (shaded in the pinout diagram). |
| 32 | PA11 | bidirectional | I/O PA11 powered by VDDIO2 (shaded in the pinout diagram). |
| 33 | PA12 | bidirectional | I/O PA12 powered by VDDIO2 (shaded in the pinout diagram). |
| 34 | PA13 | bidirectional | I/O PA13 powered by VDDIO2 (shaded in the pinout diagram). |
| 35 | VSS | power_in | Digital ground. |
| 36 | VDDIO2 | power_in | Supply for the VDDIO2-powered I/Os, range 1.65V to 3.6V. |
| 37 | PA14 | bidirectional | I/O PA14 powered by VDDIO2 (shaded in the pinout diagram). |
| 38 | PA15 | bidirectional | I/O PA15 powered by VDDIO2 (shaded in the pinout diagram). |
| 39 | PB3 | bidirectional | General-purpose I/O PB3 (function table not in the provided pages). |
| 40 | PB4 | bidirectional | General-purpose I/O PB4 (function table not in the provided pages). |
| 41 | PB5 | bidirectional | General-purpose I/O PB5 (function table not in the provided pages). |
| 42 | PB6 | bidirectional | General-purpose I/O PB6 (function table not in the provided pages). |
| 43 | PB7 | bidirectional | General-purpose I/O PB7 (function table not in the provided pages). |
| 44 | PF11-BOOT0 | input | Dedicated Boot0 pin (PF11) used for boot configuration selection. |
| 45 | PB8 | bidirectional | General-purpose I/O PB8 (function table not in the provided pages). |
| 46 | PB9 | bidirectional | General-purpose I/O PB9 (function table not in the provided pages). |
| 47 | VSS | power_in | Digital ground. |
| 48 | VDD | power_in | Digital power supply (2.0V to 3.6V). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Geehy |
| Package | LQFP-48(7x7) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 48 |
CAD (KiCad official)
- Symbol:
APM32F091CCT6 - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
apm32f091cct6-etched.step/apm32f091cct6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);apm32f091cct6.step/apm32f091cct6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Geehy datasheet (78 pp, sha256
fbfe3e03a8ef3c50, retrieved 2026-10-23, 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, primaryclaude-sonnet-5-5(vision), consensusclaude-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).