# APM32F072VBT6

**Geehy** · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)

APM32F072VBT6 from Geehy, in a LQFP-100(14x14). 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 | General-purpose I/O port E pin 2. |
| 2 | PE3 | bidirectional | General-purpose I/O port E pin 3. |
| 3 | PE4 | bidirectional | General-purpose I/O port E pin 4. |
| 4 | PE5 | bidirectional | General-purpose I/O port E pin 5. |
| 5 | PE6 | bidirectional | General-purpose I/O port E pin 6. |
| 6 | VBAT | power_in | Backup battery supply for the RTC; datasheet gives VBAT = 1.65~3.6V. |
| 7 | PC13 | bidirectional | General-purpose I/O port C pin 13. |
| 8 | PC14-OSC32_IN | bidirectional | General-purpose I/O PC14, also 32.768kHz crystal oscillator input. |
| 9 | PC15-OSC32_OUT | bidirectional | General-purpose I/O PC15, also 32.768kHz crystal oscillator output. |
| 10 | PF9 | bidirectional | General-purpose I/O port F pin 9. |
| 11 | PF10 | bidirectional | General-purpose I/O port F pin 10. |
| 12 | PF0-OSC_IN | bidirectional | General-purpose I/O PF0, also 4~32MHz crystal oscillator input. |
| 13 | PF1-OSC_OUT | bidirectional | General-purpose I/O PF1, also 4~32MHz crystal oscillator output. |
| 14 | NRST | input | Bidirectional reset pin with built-in weak pull-up resistor (RST structure). |
| 15 | PC0 | bidirectional | General-purpose I/O port C pin 0. |
| 16 | PC1 | bidirectional | General-purpose I/O port C pin 1. |
| 17 | PC2 | bidirectional | General-purpose I/O port C pin 2. |
| 18 | PC3 | bidirectional | General-purpose I/O port C pin 3. |
| 19 | PF2 | bidirectional | General-purpose I/O port F pin 2. |
| 20 | VSSA | power_in | Analog ground. |
| 21 | VDDA | power_in | Analog supply, VDDA = VDD to 3.6V (independent analog supply 2.4~3.6V for ADC). |
| 22 | PF3 | bidirectional | General-purpose I/O port F pin 3. |
| 23 | PA0 | bidirectional | 3.3V STDA I/O; USART2_CTS, TMR2_CH1_ETR, COMP1_OUT, TSC_G1_IO1, USART4_TX; additional RTC_TAMP2, WKUP1, ADC_IN0, COMP1_INM6. |
| 24 | PA1 | bidirectional | 3.3V STDA I/O; USART2_RTS, TMR2_CH2, TMR15_CH1N, TSC_G1_IO2, USART4_RX, EVENTOUT; additional ADC_IN1, COMP1_INP. |
| 25 | PA2 | bidirectional | 3.3V STDA I/O; USART2_TX, COMP2_OUT, TMR2_CH3, TMR15_CH1, TSC_G1_IO3; additional ADC_IN2, COMP2_INM6, WKUP4. |
| 26 | PA3 | bidirectional | 3.3V STDA I/O; USART2_RX, TMR2_CH4, TMR15_CH2, TSC_G1_IO4; additional ADC_IN3, COMP2_INP. |
| 27 | VSS | power_in | Digital ground. |
| 28 | VDD | power_in | Digital supply, VDD = 2.0~3.6V. |
| 29 | PA4 | bidirectional | 3.3V STDA I/O; SPI1_NSS, I2S1_WS, TMR14_CH1, TSC_G2_IO1, USART2_CK; additional COMP1_INM4, COMP2_INM4, ADC_IN4, DAC_OUT1. |
| 30 | PA5 | bidirectional | 3.3V STDA I/O; SPI1_SCK, I2S1_CK, CEC, TMR2_CH1_ETR, TSC_G2_IO2; additional COMP1_INM5, COMP2_INM5, ADC_IN5, DAC_OUT2. |
| 31 | PA6 | bidirectional | 3.3V STDA I/O; SPI1_MISO, I2S1_MCK, TMR3_CH1, TMR1_BKIN, TMR16_CH1, COMP1_OUT, TSC_G2_IO3, EVENTOUT, USART3_CTS; additional ADC_IN6. |
| 32 | PA7 | bidirectional | 3.3V STDA I/O; SPI1_MOSI, I2S1_SD, TMR3_CH2, TMR14_CH1, TMR1_CH1N, TMR17_CH1, COMP2_OUT, TSC_G2_IO4, EVENTOUT; additional ADC_IN7. |
| 33 | PC4 | bidirectional | General-purpose I/O port C pin 4. |
| 34 | PC5 | bidirectional | General-purpose I/O port C pin 5. |
| 35 | PB0 | bidirectional | General-purpose I/O port B pin 0. |
| 36 | PB1 | bidirectional | General-purpose I/O port B pin 1. |
| 37 | PB2 | bidirectional | General-purpose I/O port B pin 2. |
| 38 | PE7 | bidirectional | General-purpose I/O port E pin 7. |
| 39 | PE8 | bidirectional | General-purpose I/O port E pin 8. |
| 40 | PE9 | bidirectional | General-purpose I/O port E pin 9. |
| 41 | PE10 | bidirectional | General-purpose I/O port E pin 10. |
| 42 | PE11 | bidirectional | General-purpose I/O port E pin 11. |
| 43 | PE12 | bidirectional | General-purpose I/O port E pin 12. |
| 44 | PE13 | bidirectional | General-purpose I/O port E pin 13. |
| 45 | PE14 | bidirectional | General-purpose I/O port E pin 14. |
| 46 | PE15 | bidirectional | General-purpose I/O port E pin 15. |
| 47 | PB10 | bidirectional | General-purpose I/O port B pin 10. |
| 48 | PB11 | bidirectional | General-purpose I/O port B pin 11. |
| 49 | VSS | power_in | Digital ground. |
| 50 | VDD | power_in | Digital supply, VDD = 2.0~3.6V. |
| 51 | PB12 | bidirectional | General-purpose I/O port B pin 12. |
| 52 | PB13 | bidirectional | General-purpose I/O port B pin 13. |
| 53 | PB14 | bidirectional | General-purpose I/O port B pin 14. |
| 54 | PB15 | bidirectional | General-purpose I/O port B pin 15. |
| 55 | PD8 | bidirectional | General-purpose I/O port D pin 8. |
| 56 | PD9 | bidirectional | General-purpose I/O port D pin 9. |
| 57 | PD10 | bidirectional | General-purpose I/O port D pin 10. |
| 58 | PD11 | bidirectional | General-purpose I/O port D pin 11. |
| 59 | PD12 | bidirectional | General-purpose I/O port D pin 12. |
| 60 | PD13 | bidirectional | General-purpose I/O port D pin 13. |
| 61 | PD14 | bidirectional | General-purpose I/O port D pin 14. |
| 62 | PD15 | bidirectional | General-purpose I/O port D pin 15. |
| 63 | PC6 | bidirectional | General-purpose I/O PC6, powered from VDDIO2. |
| 64 | PC7 | bidirectional | General-purpose I/O PC7, powered from VDDIO2. |
| 65 | PC8 | bidirectional | General-purpose I/O PC8, powered from VDDIO2. |
| 66 | PC9 | bidirectional | General-purpose I/O PC9, powered from VDDIO2. |
| 67 | PA8 | bidirectional | 5V-tolerant I/O powered from VDDIO2; USART1_CK, TMR1_CH1, EVENTOUT, MCO, CRS_SYNC. |
| 68 | PA9 | bidirectional | 5V-tolerant I/O powered from VDDIO2; USART1_TX, TMR1_CH2, TMR15_BKIN, TSC_G4_IO1. |
| 69 | PA10 | bidirectional | 5V-tolerant I/O powered from VDDIO2; USART1_RX, TMR1_CH3, TMR17_BKIN, TSC_G4_IO2. |
| 70 | PA11 | bidirectional | 5V-tolerant I/O powered from VDDIO2; CAN_RX, USART1_CTS, TMR1_CH4, COMP1_OUT, TSC_G4_IO3, EVENTOUT; additional USBD_DM. |
| 71 | PA12 | bidirectional | 5V-tolerant I/O powered from VDDIO2; CAN_TX, USART1_RTS, TMR1_ETR, COMP2_OUT, TSC_G4_IO4, EVENTOUT; additional USBD_DP. |
| 72 | PA13 | bidirectional | 5V-tolerant I/O powered from VDDIO2; IR_OUT, SWDIO, USBD_NOE. |
| 73 | PF6 | bidirectional | General-purpose I/O PF6, powered from VDDIO2. |
| 74 | VSS | power_in | Digital ground. |
| 75 | VDDIO2 | power_in | Supply for the VDDIO2-powered I/Os, 1.65~3.6V. |
| 76 | PA14 | bidirectional | 5V-tolerant I/O powered from VDDIO2; USART2_TX, SWCLK. |
| 77 | PA15 | bidirectional | General-purpose I/O PA15, powered from VDDIO2. |
| 78 | PC10 | bidirectional | General-purpose I/O PC10, powered from VDDIO2. |
| 79 | PC11 | bidirectional | General-purpose I/O PC11, powered from VDDIO2. |
| 80 | PC12 | bidirectional | General-purpose I/O PC12, powered from VDDIO2. |
| 81 | PD0 | bidirectional | General-purpose I/O PD0, powered from VDDIO2. |
| 82 | PD1 | bidirectional | General-purpose I/O PD1, powered from VDDIO2. |
| 83 | PD2 | bidirectional | General-purpose I/O PD2, powered from VDDIO2. |
| 84 | PD3 | bidirectional | General-purpose I/O port D pin 3. |
| 85 | PD4 | bidirectional | General-purpose I/O port D pin 4. |
| 86 | PD5 | bidirectional | General-purpose I/O port D pin 5. |
| 87 | PD6 | bidirectional | General-purpose I/O port D pin 6. |
| 88 | PD7 | bidirectional | General-purpose I/O port D pin 7. |
| 89 | PB3 | bidirectional | General-purpose I/O port B pin 3. |
| 90 | PB4 | bidirectional | General-purpose I/O port B pin 4. |
| 91 | PB5 | bidirectional | General-purpose I/O port B pin 5. |
| 92 | PB6 | bidirectional | General-purpose I/O port B pin 6. |
| 93 | PB7 | bidirectional | General-purpose I/O port B pin 7. |
| 94 | BOOT0 | input | Dedicated Boot0 pin (B structure) for boot mode selection. |
| 95 | PB8 | bidirectional | General-purpose I/O port B pin 8. |
| 96 | PB9 | bidirectional | General-purpose I/O port B pin 9. |
| 97 | PE0 | bidirectional | General-purpose I/O port E pin 0. |
| 98 | PE1 | bidirectional | General-purpose I/O port E pin 1. |
| 99 | VSS | power_in | Digital ground. |
| 100 | VDD | power_in | Digital supply, VDD = 2.0~3.6V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Geehy |
| Package | LQFP-100(14x14) |
| Category | Embedded Processors & Controllers |
| Pins | 100 |

## CAD (KiCad official)

- Symbol: `APM32F072VBT6`
- Footprint: `Package_QFP:LQFP-100_14x14mm_P0.5mm`
- 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
- 3D model files: `apm32f072vbt6-etched.step` / `apm32f072vbt6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `apm32f072vbt6.step` / `apm32f072vbt6.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/8589834604027936768) (89 pp, sha256 `bc3d34f9bf579bd0`, retrieved 2026-10-18, 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/apm32f072vbt6-datasheet.pdf)