component
CH32F207VCT6
Public Made by Adomby adom
WCH(Jiangsu Qin Heng) Microcontroller Units (MCUs/MPUs/SOCs), LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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CH32F207VCT6
WCH(Jiangsu Qin Heng) · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-100(14x14)
CH32F207VCT6 from WCH(Jiangsu Qin Heng), 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 | GPIO PE2, 5V tolerant (FT), alternate functions FSMC_A23 and remap TIM10_BKIN_2. |
| 2 | PE3 | bidirectional | GPIO PE3, 5V tolerant (FT), alternate functions FSMC_A19 and remap TIM10_CH1N_2. |
| 3 | PE4 | bidirectional | GPIO PE4, 5V tolerant (FT), alternate functions FSMC_A20 and remap TIM10_CH2N_2. |
| 4 | PE5 | bidirectional | GPIO PE5, 5V tolerant (FT), alternate functions FSMC_A21 and remap TIM10_CH3N_2. |
| 5 | PE6 | bidirectional | GPIO PE6, 5V tolerant (FT), alternate function FSMC_A22. |
| 6 | VBAT | power_in | Battery supply of 1.8~3.6V that powers the RTC, external low-frequency oscillator and backup registers when VDD is off. |
| 7 | PC13/TAMPER-RTC | bidirectional | GPIO PC13 / TAMPER-RTC powered via the backup power switch; as output limited to one pin at a time, 2MHz, 30pF max, 3mA source limit. |
| 8 | PC14/OSC32IN | bidirectional | GPIO PC14 / OSC32_IN low-speed 32.768kHz oscillator input, powered via backup power switch (3mA limit as output). |
| 9 | PC15/OSC32OUT | bidirectional | GPIO PC15 / OSC32_OUT low-speed 32.768kHz oscillator output, powered via backup power switch (3mA limit as output). |
| 10 | VSS_5 | power_in | Ground for the VDD supply domain (VSS_5). |
| 11 | VDD_5 | power_in | System power supply VDD, 2.4~3.6V, for some I/O pins and the internal voltage regulator. |
| 12 | OSC_IN | input | High-speed external 3~25MHz oscillator input (PD0 remap on smaller packages). |
| 13 | OSC_OUT | output | High-speed external 3~25MHz oscillator output (PD1 remap on smaller packages). |
| 14 | NRST | input | External reset input. |
| 15 | PC0 | bidirectional | GPIO PC0 with analog input ADC_IN10; alternates TIM9_CH1N, UART6_TX, ETH_RGMII_RXC. |
| 16 | PC1 | bidirectional | GPIO PC1 with analog input ADC_IN11; alternates TIM9_CH2N, UART6_RX, ETH MDC/RGMII_RXCTL. |
| 17 | PC2 | bidirectional | GPIO PC2 with analog input ADC_IN12; alternates TIM9_CH3N, UART7_TX, OPA3_CH1N, ETH_MII_TXD2. |
| 18 | PC3 | bidirectional | GPIO PC3 with analog input ADC_IN13; alternates TIM10_CH3, UART7_RX, OPA4_CH1N, ETH_MII_TX_CLK. |
| 19 | VSSA | power_in | Analog ground. |
| 20 | VREF- | power_in | Negative ADC/DAC reference voltage input. |
| 21 | VREF+ | power_in | Positive ADC/DAC reference voltage input. |
| 22 | VDDA | power_in | Analog supply 2.4~3.6V for HSI RC analog part, ADC, temperature sensor, DAC and PLL; must equal VIO and be at least 2.4V when using ADC. |
| 23 | PA0/WKUP/ADC0 | bidirectional | GPIO PA0 with WKUP wake-up, ADC_IN0, USART2_CTS, TIM2_CH1/ETR, TIM5_CH1, TIM8_ETR. |
| 24 | PA1/ADC1 | bidirectional | GPIO PA1 with ADC_IN1, USART2_RTS, TIM2_CH2, TIM5_CH2, OPA3_OUT0, ETH_MII_RX_CLK. |
| 25 | PA2/ADC2 | bidirectional | GPIO PA2 with ADC_IN2, USART2_TX, TIM2_CH3, TIM5_CH3, TIM9_CH1, OPA2_OUT0, ETH MDIO. |
| 26 | PA3/ADC3 | bidirectional | GPIO PA3 with ADC_IN3, USART2_RX, TIM2_CH4, TIM5_CH4, TIM9_CH2, OPA1_OUT0, ETH_MII_COL. |
| 27 | VSS_4 | power_in | Ground for the VDD supply domain (VSS_4). |
| 28 | VDD_4 | power_in | System power supply VDD, 2.4~3.6V (VDD_4). |
| 29 | PA4/ADC4/DAC0 | bidirectional | GPIO PA4 with ADC_IN4, DAC output 1, SPI1_NSS/SPI3_NSS, USART2_CK, DVP_HSYNC. |
| 30 | PA5/ADC5/DAC1 | bidirectional | GPIO PA5 with ADC_IN5, DAC output 2, SPI1_SCK, DVP_VSYNC, OPA2_CH1N. |
| 31 | PA6/ADC6 | bidirectional | GPIO PA6 with ADC_IN6, SPI1_MISO, TIM3_CH1, DVP_PCLK, OPA1_CH1N. |
| 32 | PA7/ADC7 | bidirectional | GPIO PA7 with ADC_IN7, SPI1_MOSI, TIM3_CH2, OPA2_CH1P, ETH_MII_RX_DV. |
| 33 | PC4/ADC14 | bidirectional | GPIO PC4 with ADC_IN14, TIM9_CH4, UART8_TX, OPA4_CH1P, ETH_MII_RXD0. |
| 34 | PC5/ADC15 | bidirectional | GPIO PC5 with ADC_IN15, TIM9_BKIN, UART8_RX, OPA3_CH1P, ETH_MII_RXD1. |
| 35 | PB0/ADC8 | bidirectional | GPIO PB0 with ADC_IN8, TIM3_CH3, TIM8_CH2N, UART4_TX_1, OPA1_CH1P, ETH_MII_RXD2. |
| 36 | PB1/ADC9 | bidirectional | GPIO PB1 with ADC_IN9, TIM3_CH4, TIM8_CH3N, UART4_RX_1, OPA4_CH0N, ETH_MII_RXD3. |
| 37 | PB2/BOOT1 | bidirectional | GPIO PB2, 5V tolerant, doubles as BOOT1 boot-mode select; also OPA3_CH0N. |
| 38 | PE7 | bidirectional | GPIO port E pin PE7. |
| 39 | PE8 | bidirectional | GPIO port E pin PE8. |
| 40 | PE9 | bidirectional | GPIO port E pin PE9. |
| 41 | PE10 | bidirectional | GPIO port E pin PE10. |
| 42 | PE11 | bidirectional | GPIO port E pin PE11. |
| 43 | PE12 | bidirectional | GPIO port E pin PE12. |
| 44 | PE13 | bidirectional | GPIO port E pin PE13. |
| 45 | PE14 | bidirectional | GPIO port E pin PE14. |
| 46 | PE15 | bidirectional | GPIO port E pin PE15. |
| 47 | PB10 | bidirectional | GPIO PB10 with I2C2_SCL, USART3_TX, OPA2_CH0N, ETH_MII_RX_ER, TIM2_CH3 remap. |
| 48 | PB11 | bidirectional | GPIO PB11 with I2C2_SDA, USART3_RX, OPA1_CH0N, ETH_MII_TX_EN, TIM2_CH4 remap. |
| 49 | VSS_1 | power_in | Ground for the VIO supply domain (VSS_1). |
| 50 | VIO_1 | power_in | I/O supply 2.4~3.6V for most I/O pins and the Ethernet module; must not exceed VDD. |
| 51 | PB12 | bidirectional | GPIO PB12 with SPI2_NSS/I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN, CAN2_RX, OPA4_CH0P. |
| 52 | PB13 | bidirectional | GPIO PB13 with SPI2_SCK/I2S2_CK, USART3_CTS, TIM1_CH1N, CAN2_TX, OPA3_CH0P. |
| 53 | PB14 | bidirectional | GPIO PB14 with SPI2_MISO, USART3_RTS, TIM1_CH2N, OPA2_CH0P. |
| 54 | PB15 | bidirectional | GPIO PB15 with SPI2_MOSI/I2S2_SD, TIM1_CH3N, OPA1_CH0P. |
| 55 | PD8 | bidirectional | GPIO port D pin PD8. |
| 56 | PD9 | bidirectional | GPIO port D pin PD9. |
| 57 | PD10 | bidirectional | GPIO port D pin PD10. |
| 58 | PD11 | bidirectional | GPIO port D pin PD11. |
| 59 | PD12 | bidirectional | GPIO port D pin PD12. |
| 60 | PD13 | bidirectional | GPIO port D pin PD13. |
| 61 | PD14 | bidirectional | GPIO port D pin PD14. |
| 62 | PD15 | bidirectional | GPIO port D pin PD15. |
| 63 | PC6/RXP | bidirectional | GPIO PC6 with TIM8_CH1, I2S2_MCK, SDIO_D6 and ETH_RXP (10M PHY receive positive). |
| 64 | PC7/RXN | bidirectional | GPIO PC7 with TIM8_CH2, I2S3_MCK, SDIO_D7 and ETH_RXN (10M PHY receive negative). |
| 65 | PC8/TXP | bidirectional | GPIO PC8 with TIM8_CH3, SDIO_D0, DVP_D2 and ETH_TXP (10M PHY transmit positive). |
| 66 | PC9/TXN | bidirectional | GPIO PC9 with TIM8_CH4, SDIO_D1, DVP_D3 and ETH_TXN (10M PHY transmit negative). |
| 67 | PA8 | bidirectional | GPIO PA8, 5V tolerant, with USART1_CK, TIM1_CH1 and MCO clock output. |
| 68 | PA9 | bidirectional | GPIO PA9, 5V tolerant, with USART1_TX, TIM1_CH2, OTG_FS_VBUS, DVP_D0. |
| 69 | PA10 | bidirectional | GPIO PA10, 5V tolerant, with USART1_RX, TIM1_CH3, OTG_FS_ID, DVP_D1. |
| 70 | PA11/USB1DM | bidirectional | GPIO PA11 with USB1 D- (OTG_FS_DM/USBDM), USART1_CTS, CAN1_RX, TIM1_CH4. |
| 71 | PA12/USB1DP | bidirectional | GPIO PA12 with USB1 D+ (OTG_FS_DP/USBDP), USART1_RTS, CAN1_TX, TIM1_ETR. |
| 72 | PA13/SWDIO | bidirectional | GPIO PA13, default SWDIO serial debug data pin, 5V tolerant. |
| 73 | NC | unconnected | No connection. |
| 74 | VSS_2 | power_in | Ground for the VDD supply domain (VSS_2). |
| 75 | VDD_2 | power_in | System power supply VDD, 2.4~3.6V (VDD_2). |
| 76 | PA14/SWCLK | bidirectional | GPIO PA14, default SWCLK serial debug clock pin, 5V tolerant. |
| 77 | PA15 | bidirectional | GPIO PA15, 5V tolerant, with SPI3_NSS/I2S3_WS, SPI1_NSS, TIM2_CH1_ETR remap, UART8_RX_1. |
| 78 | PC10 | bidirectional | GPIO PC10, 5V tolerant, with UART4_TX, SDIO_D2, DVP_D8, SPI3_SCK/I2S3_CK. |
| 79 | PC11 | bidirectional | GPIO PC11, 5V tolerant, with UART4_RX, SDIO_D3, DVP_D4, SPI3_MISO. |
| 80 | PC12 | bidirectional | GPIO PC12, 5V tolerant, with UART5_TX, SDIO_CK, DVP_D9, SPI3_MOSI/I2S3_SD. |
| 81 | PD0 | bidirectional | GPIO PD0 (analog capable), 5V tolerant, with FSMC_D2 and CAN1_RX. |
| 82 | PD1 | bidirectional | GPIO PD1 (analog capable), 5V tolerant, with FSMC_D3 and CAN1_TX. |
| 83 | PD2 | bidirectional | GPIO PD2, 5V tolerant, with TIM3_ETR, UART5_RX, SDIO_CMD, DVP_D11. |
| 84 | PD3 | bidirectional | GPIO PD3, 5V tolerant, with FSMC_CLK and USART2_CTS remap. |
| 85 | PD4 | bidirectional | GPIO PD4, 5V tolerant, with FSMC_NOE and USART2_RTS remap. |
| 86 | PD5 | bidirectional | GPIO PD5, 5V tolerant, with FSMC_NWE and USART2_TX remap. |
| 87 | PD6 | bidirectional | GPIO PD6, 5V tolerant, with FSMC_NWAIT, DVP_D10 and USART2_RX remap. |
| 88 | PD7 | bidirectional | GPIO PD7, 5V tolerant, with FSMC_NE1/NCE2 and USART2_CK remap. |
| 89 | PB3 | bidirectional | GPIO PB3, 5V tolerant, with SPI3_SCK/I2S3_CK, TRACESWO, TIM2_CH2 remap, SPI1_SCK. |
| 90 | PB4 | bidirectional | GPIO PB4, 5V tolerant, with SPI3_MISO, TIM3_CH1 remap, SPI1_MISO, UART5_TX_1. |
| 91 | PB5 | bidirectional | GPIO PB5 (not 5V tolerant) with I2C1_SMBA, SPI3_MOSI/I2S3_SD, ETH PPS_OUT, SPI1_MOSI, CAN2_RX. |
| 92 | PB6/USB2DM | bidirectional | GPIO PB6, 5V tolerant, with I2C1_SCL, TIM4_CH1, USBHD_DM/USBHS_DM (USB2 D-), DVP_D5. |
| 93 | PB7/USB2DP | bidirectional | GPIO PB7, 5V tolerant, with I2C1_SDA, FSMC_NADV, TIM4_CH2, USBHD_DP/USBHS_DP (USB2 D+). |
| 94 | BOOT0 | input | Boot-mode select input BOOT0 (with BOOT1 selects flash, system memory or SRAM boot). |
| 95 | PB8 | bidirectional | GPIO PB8 (analog capable), 5V tolerant, with TIM4_CH3, SDIO_D4, DVP_D6, I2C1_SCL, CAN1_RX. |
| 96 | PB9 | bidirectional | GPIO PB9 (analog capable), 5V tolerant, with TIM4_CH4, SDIO_D5, DVP_D7, I2C1_SDA, CAN1_TX. |
| 97 | PE0 | bidirectional | GPIO PE0, 5V tolerant, with TIM4_ETR and FSMC_NBL0. |
| 98 | PE1 | bidirectional | GPIO PE1, 5V tolerant, with FSMC_NBL1 and UART4_RX_2. |
| 99 | VSS_3 | power_in | Ground for the VIO supply domain (VSS_3). |
| 100 | VIO_3 | power_in | I/O supply 2.4~3.6V for most I/O pins and the Ethernet module; must not exceed VDD. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | WCH(Jiangsu Qin Heng) |
| Package | LQFP-100(14x14) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 100 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Ambient temperature during operation | TA | -40 | 85 | ℃ | 49 | ||
| Ambient temperature during storage | TS | -40 | 125 | ℃ | 49 | ||
| External main supply voltage (including VDDA and VDD) | VDD-VSS | -0.3 | 4 | V | 49 | ||
| IO domain supply voltage | VIO-VSS | -0.3 | 4 | V | 49 | ||
| Input voltage on FT (5V tolerant) pin | VIN | 5.5 | V | FT pin | 49 | ||
| Variations between different main power supply pins | /ΔVDD_x/ | 50 | mV | 49 | |||
| Variations between different IO power supply pins | /ΔVIO_x/ | 50 | mV | 49 | |||
| Variations between different ground pins | /ΔVSS_x/ | 50 | mV | 49 | |||
| Total current into VDD/VDDA power lines (source) | IVDD | 150 | mA | 49 | |||
| Total current out of VSS ground lines (sink) | IVss | 150 | mA | 50 | |||
| Sink current on any I/O and control pin | IIO | 25 | mA | Sink | 50 | ||
| Output current on any I/O and control pin | IIO | -25 | mA | Output | 50 | ||
| Injected current on other pins | IINJ(PIN) | -5 | 5 | mA | 50 | ||
| Total injected current on all IOs and control pins | ΣIINJ(PIN) | -25 | 25 | mA | 50 | ||
| Internal AHB clock frequency | FHCLK | 144 | MHz | 50 | |||
| Internal APB1 clock frequency | FPCLK1 | 144 | MHz | 50 | |||
| Internal APB2 clock frequency | FPCLK2 | 144 | MHz | 50 | |||
| Standard operating voltage | VDD | 2.4 | 3.6 | V | 50 | ||
| Standard operating voltage, USB or ETH | VDD | 3 | 3.6 | V | Use USB or ETH | 50 | |
| Output voltage on most IO pins | VIO | 2.4 | 3.6 | V | VIO cannot be more than VDD | 50 | |
| Analog operating voltage | VDDA | 2.4 | 3.6 | V | VDDA must be the same as VIO | 50 | |
| Backup operating voltage | VBAT | 1.8 | 3.6 | V | Cannot be more than VDD | 50 | |
| Ambient temperature | TA | -40 | 85 | ℃ | 50 | ||
| Junction temperature range | TJ | -40 | 85 | ℃ | 50 | ||
| VDD fall time rate | tVDD | 30 | us/V | VDD fall time rate | 50 | ||
| Power-on/power-down reset threshold, rising edge | VPOR/PDR | 1.9 | 2.2 | 2.4 | V | Rising edge | 51 |
| Power-on/power-down reset threshold, falling edge | VPOR/PDR | 1.9 | 2.2 | 2.4 | V | Falling edge | 51 |
| PVD hysteresis | VPVDhyst | 0.08 | V | 51 | |||
| PDR hysteresis | VPDRhyst | 20 | mV | 51 | |||
| Reset time, power on reset | tRSTTEMPO | 24 | 28 | 30 | mS | Power on reset | 51 |
| Reset time, other resets | tRSTTEMPO | 8 | 10 | 30 | mS | Other resets | 51 |
| Internal reference voltage | VREFINT | 1.17 | 1.2 | 1.23 | V | TA = -40℃~85℃ | 51 |
| Supply current in Run mode, all peripherals enabled | IDD | 31.2 | mA | External clock FHCLK = 144MHz, all peripherals enabled | 52 | ||
| Supply current in Run mode, all peripherals disabled | IDD | 19.3 | mA | External clock FHCLK = 144MHz, all peripherals disabled | 52 | ||
| External high-speed clock frequency | FHSE_ext | 3 | 8 | 25 | MHz | 57 | |
| OSC_IN input leakage current | IL | -1 | 1 | uA | 58 | ||
| External low-speed clock frequency | FLSE_ext | 32.768 | 1000 | kHz | 58 | ||
| HSI frequency | FHSI | 8 | MHz | 59 | |||
| HSI accuracy | ACCHSI | -1 | 1.6 | % | TA = 0℃~70℃ | 60 | |
| HSI accuracy | ACCHSI | -2.2 | 2.2 | % | TA = -40℃~85℃ | 60 | |
| LSI frequency | FLSI | 25 | 39 | 60 | kHz | 60 | |
| PLL input clock | FPLL_IN | 3 | 8 | 25 | MHz | 60 | |
| PLL multiplier output clock | FPLL_OUT | 18 | 144 | MHz | 60 | ||
| PLL lock time | tLOCK | 200 | us | 60 | |||
| Programming voltage | Vprog | 2.4 | 3.6 | V | 61 | ||
| Flash data retention | tRET | 20 | year | 61 | |||
| Weak pull-up equivalent resistance | RPU | 30 | 40 | 55 | kΩ | 62 | |
| Weak pull-down equivalent resistance | RPD | 30 | 40 | 55 | kΩ | 62 | |
| Output low level, TTL port | VOL | 0.4 | V | TTL port, IIO = +8mA, 2.7V< VDD <3.6V | 62 | ||
| Output high level, CMOS port | VOH | 2.3 | V | CMOS port, IIO = +8mA, 2.7V< VDD <3.6V | 62 | ||
| ADC supply voltage | VDDA | 2.4 | 3.6 | V | 78 | ||
| ADC clock frequency | fADC | 14 | MHz | 78 | |||
| Temperature sensor average slope | Avg_Slope | 3.8 | 4.3 | 4.7 | mV/℃ | 80 | |
| Temperature sensor voltage at 25℃ | V25 | 1.34 | 1.4 | 1.46 | V | 80 | |
| DAC supply voltage | VDDA | 2.4 | 3.3 | 3.6 | V | 80 |
CAD (KiCad official)
- Symbol:
CH32F207VCT6 - Footprint:
Package_QFP:LQFP-100_14x14mm_P0.5mm - 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
- 3D model files:
ch32f207vct6-etched.step/ch32f207vct6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ch32f207vct6.step/ch32f207vct6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: WCH(Jiangsu Qin Heng) datasheet (86 pp, sha256
f6363e3b6e70c3ee, retrieved 2026-10-24, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-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).
# CH32F207VCT6
**WCH(Jiangsu Qin Heng)** · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-100(14x14)
CH32F207VCT6 from WCH(Jiangsu Qin Heng), 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 | GPIO PE2, 5V tolerant (FT), alternate functions FSMC_A23 and remap TIM10_BKIN_2. |
| 2 | PE3 | bidirectional | GPIO PE3, 5V tolerant (FT), alternate functions FSMC_A19 and remap TIM10_CH1N_2. |
| 3 | PE4 | bidirectional | GPIO PE4, 5V tolerant (FT), alternate functions FSMC_A20 and remap TIM10_CH2N_2. |
| 4 | PE5 | bidirectional | GPIO PE5, 5V tolerant (FT), alternate functions FSMC_A21 and remap TIM10_CH3N_2. |
| 5 | PE6 | bidirectional | GPIO PE6, 5V tolerant (FT), alternate function FSMC_A22. |
| 6 | VBAT | power_in | Battery supply of 1.8~3.6V that powers the RTC, external low-frequency oscillator and backup registers when VDD is off. |
| 7 | PC13/TAMPER-RTC | bidirectional | GPIO PC13 / TAMPER-RTC powered via the backup power switch; as output limited to one pin at a time, 2MHz, 30pF max, 3mA source limit. |
| 8 | PC14/OSC32IN | bidirectional | GPIO PC14 / OSC32_IN low-speed 32.768kHz oscillator input, powered via backup power switch (3mA limit as output). |
| 9 | PC15/OSC32OUT | bidirectional | GPIO PC15 / OSC32_OUT low-speed 32.768kHz oscillator output, powered via backup power switch (3mA limit as output). |
| 10 | VSS_5 | power_in | Ground for the VDD supply domain (VSS_5). |
| 11 | VDD_5 | power_in | System power supply VDD, 2.4~3.6V, for some I/O pins and the internal voltage regulator. |
| 12 | OSC_IN | input | High-speed external 3~25MHz oscillator input (PD0 remap on smaller packages). |
| 13 | OSC_OUT | output | High-speed external 3~25MHz oscillator output (PD1 remap on smaller packages). |
| 14 | NRST | input | External reset input. |
| 15 | PC0 | bidirectional | GPIO PC0 with analog input ADC_IN10; alternates TIM9_CH1N, UART6_TX, ETH_RGMII_RXC. |
| 16 | PC1 | bidirectional | GPIO PC1 with analog input ADC_IN11; alternates TIM9_CH2N, UART6_RX, ETH MDC/RGMII_RXCTL. |
| 17 | PC2 | bidirectional | GPIO PC2 with analog input ADC_IN12; alternates TIM9_CH3N, UART7_TX, OPA3_CH1N, ETH_MII_TXD2. |
| 18 | PC3 | bidirectional | GPIO PC3 with analog input ADC_IN13; alternates TIM10_CH3, UART7_RX, OPA4_CH1N, ETH_MII_TX_CLK. |
| 19 | VSSA | power_in | Analog ground. |
| 20 | VREF- | power_in | Negative ADC/DAC reference voltage input. |
| 21 | VREF+ | power_in | Positive ADC/DAC reference voltage input. |
| 22 | VDDA | power_in | Analog supply 2.4~3.6V for HSI RC analog part, ADC, temperature sensor, DAC and PLL; must equal VIO and be at least 2.4V when using ADC. |
| 23 | PA0/WKUP/ADC0 | bidirectional | GPIO PA0 with WKUP wake-up, ADC_IN0, USART2_CTS, TIM2_CH1/ETR, TIM5_CH1, TIM8_ETR. |
| 24 | PA1/ADC1 | bidirectional | GPIO PA1 with ADC_IN1, USART2_RTS, TIM2_CH2, TIM5_CH2, OPA3_OUT0, ETH_MII_RX_CLK. |
| 25 | PA2/ADC2 | bidirectional | GPIO PA2 with ADC_IN2, USART2_TX, TIM2_CH3, TIM5_CH3, TIM9_CH1, OPA2_OUT0, ETH MDIO. |
| 26 | PA3/ADC3 | bidirectional | GPIO PA3 with ADC_IN3, USART2_RX, TIM2_CH4, TIM5_CH4, TIM9_CH2, OPA1_OUT0, ETH_MII_COL. |
| 27 | VSS_4 | power_in | Ground for the VDD supply domain (VSS_4). |
| 28 | VDD_4 | power_in | System power supply VDD, 2.4~3.6V (VDD_4). |
| 29 | PA4/ADC4/DAC0 | bidirectional | GPIO PA4 with ADC_IN4, DAC output 1, SPI1_NSS/SPI3_NSS, USART2_CK, DVP_HSYNC. |
| 30 | PA5/ADC5/DAC1 | bidirectional | GPIO PA5 with ADC_IN5, DAC output 2, SPI1_SCK, DVP_VSYNC, OPA2_CH1N. |
| 31 | PA6/ADC6 | bidirectional | GPIO PA6 with ADC_IN6, SPI1_MISO, TIM3_CH1, DVP_PCLK, OPA1_CH1N. |
| 32 | PA7/ADC7 | bidirectional | GPIO PA7 with ADC_IN7, SPI1_MOSI, TIM3_CH2, OPA2_CH1P, ETH_MII_RX_DV. |
| 33 | PC4/ADC14 | bidirectional | GPIO PC4 with ADC_IN14, TIM9_CH4, UART8_TX, OPA4_CH1P, ETH_MII_RXD0. |
| 34 | PC5/ADC15 | bidirectional | GPIO PC5 with ADC_IN15, TIM9_BKIN, UART8_RX, OPA3_CH1P, ETH_MII_RXD1. |
| 35 | PB0/ADC8 | bidirectional | GPIO PB0 with ADC_IN8, TIM3_CH3, TIM8_CH2N, UART4_TX_1, OPA1_CH1P, ETH_MII_RXD2. |
| 36 | PB1/ADC9 | bidirectional | GPIO PB1 with ADC_IN9, TIM3_CH4, TIM8_CH3N, UART4_RX_1, OPA4_CH0N, ETH_MII_RXD3. |
| 37 | PB2/BOOT1 | bidirectional | GPIO PB2, 5V tolerant, doubles as BOOT1 boot-mode select; also OPA3_CH0N. |
| 38 | PE7 | bidirectional | GPIO port E pin PE7. |
| 39 | PE8 | bidirectional | GPIO port E pin PE8. |
| 40 | PE9 | bidirectional | GPIO port E pin PE9. |
| 41 | PE10 | bidirectional | GPIO port E pin PE10. |
| 42 | PE11 | bidirectional | GPIO port E pin PE11. |
| 43 | PE12 | bidirectional | GPIO port E pin PE12. |
| 44 | PE13 | bidirectional | GPIO port E pin PE13. |
| 45 | PE14 | bidirectional | GPIO port E pin PE14. |
| 46 | PE15 | bidirectional | GPIO port E pin PE15. |
| 47 | PB10 | bidirectional | GPIO PB10 with I2C2_SCL, USART3_TX, OPA2_CH0N, ETH_MII_RX_ER, TIM2_CH3 remap. |
| 48 | PB11 | bidirectional | GPIO PB11 with I2C2_SDA, USART3_RX, OPA1_CH0N, ETH_MII_TX_EN, TIM2_CH4 remap. |
| 49 | VSS_1 | power_in | Ground for the VIO supply domain (VSS_1). |
| 50 | VIO_1 | power_in | I/O supply 2.4~3.6V for most I/O pins and the Ethernet module; must not exceed VDD. |
| 51 | PB12 | bidirectional | GPIO PB12 with SPI2_NSS/I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN, CAN2_RX, OPA4_CH0P. |
| 52 | PB13 | bidirectional | GPIO PB13 with SPI2_SCK/I2S2_CK, USART3_CTS, TIM1_CH1N, CAN2_TX, OPA3_CH0P. |
| 53 | PB14 | bidirectional | GPIO PB14 with SPI2_MISO, USART3_RTS, TIM1_CH2N, OPA2_CH0P. |
| 54 | PB15 | bidirectional | GPIO PB15 with SPI2_MOSI/I2S2_SD, TIM1_CH3N, OPA1_CH0P. |
| 55 | PD8 | bidirectional | GPIO port D pin PD8. |
| 56 | PD9 | bidirectional | GPIO port D pin PD9. |
| 57 | PD10 | bidirectional | GPIO port D pin PD10. |
| 58 | PD11 | bidirectional | GPIO port D pin PD11. |
| 59 | PD12 | bidirectional | GPIO port D pin PD12. |
| 60 | PD13 | bidirectional | GPIO port D pin PD13. |
| 61 | PD14 | bidirectional | GPIO port D pin PD14. |
| 62 | PD15 | bidirectional | GPIO port D pin PD15. |
| 63 | PC6/RXP | bidirectional | GPIO PC6 with TIM8_CH1, I2S2_MCK, SDIO_D6 and ETH_RXP (10M PHY receive positive). |
| 64 | PC7/RXN | bidirectional | GPIO PC7 with TIM8_CH2, I2S3_MCK, SDIO_D7 and ETH_RXN (10M PHY receive negative). |
| 65 | PC8/TXP | bidirectional | GPIO PC8 with TIM8_CH3, SDIO_D0, DVP_D2 and ETH_TXP (10M PHY transmit positive). |
| 66 | PC9/TXN | bidirectional | GPIO PC9 with TIM8_CH4, SDIO_D1, DVP_D3 and ETH_TXN (10M PHY transmit negative). |
| 67 | PA8 | bidirectional | GPIO PA8, 5V tolerant, with USART1_CK, TIM1_CH1 and MCO clock output. |
| 68 | PA9 | bidirectional | GPIO PA9, 5V tolerant, with USART1_TX, TIM1_CH2, OTG_FS_VBUS, DVP_D0. |
| 69 | PA10 | bidirectional | GPIO PA10, 5V tolerant, with USART1_RX, TIM1_CH3, OTG_FS_ID, DVP_D1. |
| 70 | PA11/USB1DM | bidirectional | GPIO PA11 with USB1 D- (OTG_FS_DM/USBDM), USART1_CTS, CAN1_RX, TIM1_CH4. |
| 71 | PA12/USB1DP | bidirectional | GPIO PA12 with USB1 D+ (OTG_FS_DP/USBDP), USART1_RTS, CAN1_TX, TIM1_ETR. |
| 72 | PA13/SWDIO | bidirectional | GPIO PA13, default SWDIO serial debug data pin, 5V tolerant. |
| 73 | NC | unconnected | No connection. |
| 74 | VSS_2 | power_in | Ground for the VDD supply domain (VSS_2). |
| 75 | VDD_2 | power_in | System power supply VDD, 2.4~3.6V (VDD_2). |
| 76 | PA14/SWCLK | bidirectional | GPIO PA14, default SWCLK serial debug clock pin, 5V tolerant. |
| 77 | PA15 | bidirectional | GPIO PA15, 5V tolerant, with SPI3_NSS/I2S3_WS, SPI1_NSS, TIM2_CH1_ETR remap, UART8_RX_1. |
| 78 | PC10 | bidirectional | GPIO PC10, 5V tolerant, with UART4_TX, SDIO_D2, DVP_D8, SPI3_SCK/I2S3_CK. |
| 79 | PC11 | bidirectional | GPIO PC11, 5V tolerant, with UART4_RX, SDIO_D3, DVP_D4, SPI3_MISO. |
| 80 | PC12 | bidirectional | GPIO PC12, 5V tolerant, with UART5_TX, SDIO_CK, DVP_D9, SPI3_MOSI/I2S3_SD. |
| 81 | PD0 | bidirectional | GPIO PD0 (analog capable), 5V tolerant, with FSMC_D2 and CAN1_RX. |
| 82 | PD1 | bidirectional | GPIO PD1 (analog capable), 5V tolerant, with FSMC_D3 and CAN1_TX. |
| 83 | PD2 | bidirectional | GPIO PD2, 5V tolerant, with TIM3_ETR, UART5_RX, SDIO_CMD, DVP_D11. |
| 84 | PD3 | bidirectional | GPIO PD3, 5V tolerant, with FSMC_CLK and USART2_CTS remap. |
| 85 | PD4 | bidirectional | GPIO PD4, 5V tolerant, with FSMC_NOE and USART2_RTS remap. |
| 86 | PD5 | bidirectional | GPIO PD5, 5V tolerant, with FSMC_NWE and USART2_TX remap. |
| 87 | PD6 | bidirectional | GPIO PD6, 5V tolerant, with FSMC_NWAIT, DVP_D10 and USART2_RX remap. |
| 88 | PD7 | bidirectional | GPIO PD7, 5V tolerant, with FSMC_NE1/NCE2 and USART2_CK remap. |
| 89 | PB3 | bidirectional | GPIO PB3, 5V tolerant, with SPI3_SCK/I2S3_CK, TRACESWO, TIM2_CH2 remap, SPI1_SCK. |
| 90 | PB4 | bidirectional | GPIO PB4, 5V tolerant, with SPI3_MISO, TIM3_CH1 remap, SPI1_MISO, UART5_TX_1. |
| 91 | PB5 | bidirectional | GPIO PB5 (not 5V tolerant) with I2C1_SMBA, SPI3_MOSI/I2S3_SD, ETH PPS_OUT, SPI1_MOSI, CAN2_RX. |
| 92 | PB6/USB2DM | bidirectional | GPIO PB6, 5V tolerant, with I2C1_SCL, TIM4_CH1, USBHD_DM/USBHS_DM (USB2 D-), DVP_D5. |
| 93 | PB7/USB2DP | bidirectional | GPIO PB7, 5V tolerant, with I2C1_SDA, FSMC_NADV, TIM4_CH2, USBHD_DP/USBHS_DP (USB2 D+). |
| 94 | BOOT0 | input | Boot-mode select input BOOT0 (with BOOT1 selects flash, system memory or SRAM boot). |
| 95 | PB8 | bidirectional | GPIO PB8 (analog capable), 5V tolerant, with TIM4_CH3, SDIO_D4, DVP_D6, I2C1_SCL, CAN1_RX. |
| 96 | PB9 | bidirectional | GPIO PB9 (analog capable), 5V tolerant, with TIM4_CH4, SDIO_D5, DVP_D7, I2C1_SDA, CAN1_TX. |
| 97 | PE0 | bidirectional | GPIO PE0, 5V tolerant, with TIM4_ETR and FSMC_NBL0. |
| 98 | PE1 | bidirectional | GPIO PE1, 5V tolerant, with FSMC_NBL1 and UART4_RX_2. |
| 99 | VSS_3 | power_in | Ground for the VIO supply domain (VSS_3). |
| 100 | VIO_3 | power_in | I/O supply 2.4~3.6V for most I/O pins and the Ethernet module; must not exceed VDD. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | WCH(Jiangsu Qin Heng) |
| Package | LQFP-100(14x14) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 100 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Ambient temperature during operation | TA | -40 | | 85 | ℃ | | 49 |
| Ambient temperature during storage | TS | -40 | | 125 | ℃ | | 49 |
| External main supply voltage (including VDDA and VDD) | VDD-VSS | -0.3 | | 4 | V | | 49 |
| IO domain supply voltage | VIO-VSS | -0.3 | | 4 | V | | 49 |
| Input voltage on FT (5V tolerant) pin | VIN | | | 5.5 | V | FT pin | 49 |
| Variations between different main power supply pins | /ΔVDD_x/ | | | 50 | mV | | 49 |
| Variations between different IO power supply pins | /ΔVIO_x/ | | | 50 | mV | | 49 |
| Variations between different ground pins | /ΔVSS_x/ | | | 50 | mV | | 49 |
| Total current into VDD/VDDA power lines (source) | IVDD | | | 150 | mA | | 49 |
| Total current out of VSS ground lines (sink) | IVss | | | 150 | mA | | 50 |
| Sink current on any I/O and control pin | IIO | | | 25 | mA | Sink | 50 |
| Output current on any I/O and control pin | IIO | -25 | | | mA | Output | 50 |
| Injected current on other pins | IINJ(PIN) | -5 | | 5 | mA | | 50 |
| Total injected current on all IOs and control pins | ΣIINJ(PIN) | -25 | | 25 | mA | | 50 |
| Internal AHB clock frequency | FHCLK | | | 144 | MHz | | 50 |
| Internal APB1 clock frequency | FPCLK1 | | | 144 | MHz | | 50 |
| Internal APB2 clock frequency | FPCLK2 | | | 144 | MHz | | 50 |
| Standard operating voltage | VDD | 2.4 | | 3.6 | V | | 50 |
| Standard operating voltage, USB or ETH | VDD | 3 | | 3.6 | V | Use USB or ETH | 50 |
| Output voltage on most IO pins | VIO | 2.4 | | 3.6 | V | VIO cannot be more than VDD | 50 |
| Analog operating voltage | VDDA | 2.4 | | 3.6 | V | VDDA must be the same as VIO | 50 |
| Backup operating voltage | VBAT | 1.8 | | 3.6 | V | Cannot be more than VDD | 50 |
| Ambient temperature | TA | -40 | | 85 | ℃ | | 50 |
| Junction temperature range | TJ | -40 | | 85 | ℃ | | 50 |
| VDD fall time rate | tVDD | 30 | | | us/V | VDD fall time rate | 50 |
| Power-on/power-down reset threshold, rising edge | VPOR/PDR | 1.9 | 2.2 | 2.4 | V | Rising edge | 51 |
| Power-on/power-down reset threshold, falling edge | VPOR/PDR | 1.9 | 2.2 | 2.4 | V | Falling edge | 51 |
| PVD hysteresis | VPVDhyst | | 0.08 | | V | | 51 |
| PDR hysteresis | VPDRhyst | | 20 | | mV | | 51 |
| Reset time, power on reset | tRSTTEMPO | 24 | 28 | 30 | mS | Power on reset | 51 |
| Reset time, other resets | tRSTTEMPO | 8 | 10 | 30 | mS | Other resets | 51 |
| Internal reference voltage | VREFINT | 1.17 | 1.2 | 1.23 | V | TA = -40℃~85℃ | 51 |
| Supply current in Run mode, all peripherals enabled | IDD | | 31.2 | | mA | External clock FHCLK = 144MHz, all peripherals enabled | 52 |
| Supply current in Run mode, all peripherals disabled | IDD | | 19.3 | | mA | External clock FHCLK = 144MHz, all peripherals disabled | 52 |
| External high-speed clock frequency | FHSE_ext | 3 | 8 | 25 | MHz | | 57 |
| OSC_IN input leakage current | IL | -1 | | 1 | uA | | 58 |
| External low-speed clock frequency | FLSE_ext | | 32.768 | 1000 | kHz | | 58 |
| HSI frequency | FHSI | | 8 | | MHz | | 59 |
| HSI accuracy | ACCHSI | -1 | | 1.6 | % | TA = 0℃~70℃ | 60 |
| HSI accuracy | ACCHSI | -2.2 | | 2.2 | % | TA = -40℃~85℃ | 60 |
| LSI frequency | FLSI | 25 | 39 | 60 | kHz | | 60 |
| PLL input clock | FPLL_IN | 3 | 8 | 25 | MHz | | 60 |
| PLL multiplier output clock | FPLL_OUT | 18 | | 144 | MHz | | 60 |
| PLL lock time | tLOCK | | | 200 | us | | 60 |
| Programming voltage | Vprog | 2.4 | | 3.6 | V | | 61 |
| Flash data retention | tRET | 20 | | | year | | 61 |
| Weak pull-up equivalent resistance | RPU | 30 | 40 | 55 | kΩ | | 62 |
| Weak pull-down equivalent resistance | RPD | 30 | 40 | 55 | kΩ | | 62 |
| Output low level, TTL port | VOL | | | 0.4 | V | TTL port, IIO = +8mA, 2.7V< VDD <3.6V | 62 |
| Output high level, CMOS port | VOH | 2.3 | | | V | CMOS port, IIO = +8mA, 2.7V< VDD <3.6V | 62 |
| ADC supply voltage | VDDA | 2.4 | | 3.6 | V | | 78 |
| ADC clock frequency | fADC | | | 14 | MHz | | 78 |
| Temperature sensor average slope | Avg_Slope | 3.8 | 4.3 | 4.7 | mV/℃ | | 80 |
| Temperature sensor voltage at 25℃ | V25 | 1.34 | 1.4 | 1.46 | V | | 80 |
| DAC supply voltage | VDDA | 2.4 | 3.3 | 3.6 | V | | 80 |
## CAD (KiCad official)
- Symbol: `CH32F207VCT6`
- Footprint: `Package_QFP:LQFP-100_14x14mm_P0.5mm`
- 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
- 3D model files: `ch32f207vct6-etched.step` / `ch32f207vct6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ch32f207vct6.step` / `ch32f207vct6.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [WCH(Jiangsu Qin Heng) datasheet](docs/ch32f207vct6-datasheet.pdf) (86 pp, sha256 `f6363e3b6e70c3ee`, retrieved 2026-10-24, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-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/ch32f207vct6-datasheet.pdf)