# APM32F072RBT7

**Geehy** · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)

APM32F072RBT7 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 battery supply for the RTC, VBAT=1.65~3.6V. |
| 2 | PC13 | bidirectional | STD I/O; additional functions WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT. |
| 3 | PC14-OSC32_IN | bidirectional | STD I/O (PC14 after reset); additional function OSC32_IN. |
| 4 | PC15-OSC32_OUT | bidirectional | STD I/O (PC15 after reset); additional function OSC32_OUT. |
| 5 | PF0-OSC_IN | bidirectional | 5V-tolerant I/O (PF0 after reset); alternate function CRS_SYNC, additional function OSC_IN. |
| 6 | PF1-OSC_OUT | bidirectional | 5V-tolerant I/O (PF1 after reset); additional function OSC_OUT. |
| 7 | NRST | bidirectional | Bidirectional reset pin with embedded weak pull-up resistor. |
| 8 | PC0 | bidirectional | STDA I/O; alternate function EVENTOUT, additional function ADC_IN10. |
| 9 | PC1 | bidirectional | STDA I/O; alternate function EVENTOUT, additional function ADC_IN11. |
| 10 | PC2 | bidirectional | STDA I/O; alternate functions SPI2_MISO, I2S2_MCK, EVENTOUT; additional function ADC_IN12. |
| 11 | PC3 | bidirectional | STDA I/O; alternate functions SPI2_MOSI, I2S2_SD, EVENTOUT; additional function ADC_IN13. |
| 12 | VSSA | power_in | Analog ground. |
| 13 | VDDA | power_in | Analog supply, VDDA=VDD~3.6V (ADC analog supply 2.4~3.6V). |
| 14 | PA0 | bidirectional | STDA I/O; alternate functions USART2_CTS, TMR2_CH1_ETR, COMP1_OUT, TSC_G1_IO1, USART4_TX; additional functions RTC_TAMP2, WKUP1, ADC_IN0, COMP1_INM6. |
| 15 | PA1 | bidirectional | STDA I/O; alternate functions USART2_RTS, TMR2_CH2, TMR15_CH1N, TSC_G1_IO2, USART4_RX, EVENTOUT; additional functions ADC_IN1, COMP1_INP. |
| 16 | PA2 | bidirectional | STDA I/O; alternate functions USART2_TX, COMP2_OUT, TMR2_CH3, TMR15_CH1, TSC_G1_IO3; additional functions ADC_IN2, COMP2_INM6, WKUP4. |
| 17 | PA3 | bidirectional | STDA I/O; alternate functions USART2_RX, TMR2_CH4, TMR15_CH2, TSC_G1_IO4; additional functions ADC_IN3, COMP2_INP. |
| 18 | VSS | power_in | Digital ground. |
| 19 | VDD | power_in | Digital supply, VDD=2.0~3.6V. |
| 20 | PA4 | bidirectional | STDA I/O; alternate functions SPI1_NSS, I2S1_WS, TMR14_CH1, TSC_G2_IO1, USART2_CK; additional functions COMP1_INM4, COMP2_INM4, ADC_IN4, DAC_OUT1. |
| 21 | PA5 | bidirectional | STDA I/O; alternate functions SPI1_SCK, I2S1_CK, CEC, TMR2_CH1_ETR, TSC_G2_IO2; additional functions COMP1_INM5, COMP2_INM5, ADC_IN5, DAC_OUT2. |
| 22 | PA6 | bidirectional | STDA I/O; alternate functions SPI1_MISO, I2S1_MCK, TMR3_CH1, TMR1_BKIN, TMR16_CH1, COMP1_OUT, TSC_G2_IO3, EVENTOUT, USART3_CTS; additional function ADC_IN6. |
| 23 | PA7 | bidirectional | STDA I/O; alternate functions SPI1_MOSI, I2S1_SD, TMR3_CH2, TMR14_CH1, TMR1_CH1N, TMR17_CH1, COMP2_OUT, TSC_G2_IO4, EVENTOUT; additional function ADC_IN7. |
| 24 | PC4 | bidirectional | STDA I/O; alternate functions EVENTOUT, USART3_TX; additional function ADC_IN14. |
| 25 | PC5 | bidirectional | STDA I/O; alternate functions TSC_G3_IO1, USART3_RX; additional functions ADC_IN15, WKUP5. |
| 26 | PB0 | bidirectional | STDA I/O; alternate functions TMR3_CH3, TMR1_CH2N, TSC_G3_IO2, EVENTOUT, USART3_CK; additional function ADC_IN8. |
| 27 | PB1 | bidirectional | STDA I/O; alternate functions TMR3_CH4, USART3_RTS, TMR14_CH1, TMR1_CH3N, TSC_G3_IO3; additional function ADC_IN9. |
| 28 | PB2 | bidirectional | 5V-tolerant I/O; alternate function TSC_G3_IO4. |
| 29 | PB10 | bidirectional | 5V-tolerant I/O; alternate functions SPI2_SCK, I2C2_SCL, USART3_TX, CEC, TSC_SYNC, TMR2_CH3. |
| 30 | PB11 | bidirectional | 5V-tolerant I/O; alternate functions USART3_RX, TMR2_CH4, EVENTOUT, TSC_G6_IO1, I2C2_SDA. |
| 31 | VSS | power_in | Digital ground. |
| 32 | VDD | power_in | Digital supply, VDD=2.0~3.6V. |
| 33 | PB12 | bidirectional | 5V-tolerant I/O; alternate functions TMR1_BKIN, TMR15_BKIN, SPI2_NSS, I2S2_WS, USART3_CK, TSC_G6_IO2, EVENTOUT. |
| 34 | PB13 | bidirectional | 5V-tolerant I/O with FM+ capability (5Tf); alternate functions SPI2_SCK, I2S2_CK, I2C2_SCL, USART3_CTS, TMR1_CH1N, TSC_G6_IO3. |
| 35 | PB14 | bidirectional | 5V-tolerant I/O with FM+ capability (5Tf); alternate functions SPI2_MISO, I2S2_MCK, I2C2_SDA, USART3_RTS, TMR1_CH2N, TMR15_CH1, TSC_G6_IO4. |
| 36 | PB15 | bidirectional | 5V-tolerant I/O; alternate functions SPI2_MOSI, I2S2_SD, TMR1_CH3N, TMR15_CH1N, TMR15_CH2; additional functions WKUP7, RTC_REFIN. |
| 37 | PC6 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate function TMR3_CH1. |
| 38 | PC7 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate function TMR3_CH2. |
| 39 | PC8 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate function TMR3_CH3. |
| 40 | PC9 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate function TMR3_CH4. |
| 41 | PA8 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate functions USART1_CK, TMR1_CH1, EVENTOUT, MCO, CRS_SYNC. |
| 42 | PA9 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate functions USART1_TX, TMR1_CH2, TMR15_BKIN, TSC_G4_IO1. |
| 43 | PA10 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate functions USART1_RX, TMR1_CH3, TMR17_BKIN, TSC_G4_IO2. |
| 44 | PA11 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate functions CAN_RX, USART1_CTS, TMR1_CH4, COMP1_OUT, TSC_G4_IO3, EVENTOUT; additional function USBD_DM. |
| 45 | PA12 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate functions CAN_TX, USART1_RTS, TMR1_ETR, COMP2_OUT, TSC_G4_IO4, EVENTOUT; additional function USBD_DP. |
| 46 | PA13 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate functions IR_OUT, SWDIO, USBD_NOE. |
| 47 | VSS | power_in | Digital ground. |
| 48 | VDDIO2 | power_in | Supply for the VDDIO2-powered I/Os, VDDIO2=1.65~3.6V. |
| 49 | PA14 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate functions USART2_TX, SWCLK. |
| 50 | PA15 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate functions SPI1_NSS, I2S1_WS, USART2_RX, USART4_RTS, TMR2_CH1_ETR, EVENTOUT. |
| 51 | PC10 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate functions USART3_TX, USART4_TX. |
| 52 | PC11 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate functions USART3_RX, USART4_RX. |
| 53 | PC12 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate functions USART3_CK, USART4_CK. |
| 54 | PD2 | bidirectional | 5V-tolerant I/O powered by VDDIO2; alternate functions USART3_RTS, TMR3_ETR. |
| 55 | PB3 | bidirectional | I/O pin shown in the LQFP64 pinout diagram; its function table is not in the provided pages. |
| 56 | PB4 | bidirectional | I/O pin shown in the LQFP64 pinout diagram; its function table is not in the provided pages. |
| 57 | PB5 | bidirectional | I/O pin shown in the LQFP64 pinout diagram; its function table is not in the provided pages. |
| 58 | PB6 | bidirectional | I/O pin shown in the LQFP64 pinout diagram; its function table is not in the provided pages. |
| 59 | PB7 | bidirectional | I/O pin shown in the LQFP64 pinout diagram; its function table is not in the provided pages. |
| 60 | BOOT0 | input | Dedicated Boot0 pin (type B per the legend); its function table is not in the provided pages. |
| 61 | PB8 | bidirectional | I/O pin shown in the LQFP64 pinout diagram; its function table is not in the provided pages. |
| 62 | PB9 | bidirectional | I/O pin shown in the LQFP64 pinout diagram; its function table is not in the provided pages. |
| 63 | VSS | power_in | Digital ground, shown in the LQFP64 pinout diagram. |
| 64 | VDD | power_in | Digital supply (VDD=2.0~3.6V), shown in the LQFP64 pinout diagram. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Geehy |
| Package | LQFP-64(10x10) |
| Category | Embedded Processors & Controllers |
| Pins | 64 |

## CAD (KiCad official)

- Symbol: `APM32F072RBT7`
- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`
- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files: `apm32f072rbt7-etched.step` / `apm32f072rbt7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `apm32f072rbt7.step` / `apm32f072rbt7.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Geehy datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603086829688545280) (65 pp, sha256 `6309310bb67a750a`, 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](docs/apm32f072rbt7-datasheet.pdf)