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STC32G8K64-42I-QFN48
Public Made by Adomby adom
STC Micro Microcontroller Units (MCUs/MPUs/SOCs), QFN-48(6x6). 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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Datasheet
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README
markdownSTC32G8K64-42I-QFN48
STC Micro · Microcontroller Units (MCUs/MPUs/SOCs) · QFN-48(6x6)
STC32G8K64-42I-QFN48 from STC Micro, in a QFN-48(6x6). 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 | P5.3 | bidirectional | General-purpose bidirectional I/O that can also carry UART4 TX (TxD4_2), CAN2 TX and LIN TX alternate functions. |
| 2 | P0.5 | bidirectional | Standard I/O that also serves as address/data bus AD5, ADC13 analog input and Timer3 clock-divided output T3CLKO. |
| 3 | P0.6 | bidirectional | Standard I/O that also serves as address/data bus AD6, ADC14 analog input, Timer4 external clock T4 and PWM fault input PWMFLT2_2. |
| 4 | P0.7 | bidirectional | Standard I/O that also serves as address/data bus AD7 and Timer4 clock-divided output T4CLKO. |
| 5 | P1.0 | bidirectional | Standard I/O that also serves as ADC0 analog input, PWM1P capture/output and UART2 receive RxD2. |
| 6 | P1.1 | bidirectional | Standard I/O that also serves as ADC1 analog input, PWM1N output and UART2 transmit TxD2. |
| 7 | P4.7 | bidirectional | Standard I/O that also serves as UART2 alternate TX (TxD2_2), CAN2 TX and LIN TX alternate functions. |
| 8 | P1.4 | bidirectional | Standard I/O that also serves as ADC4 analog input, PWM3P, SPI MISO and I2C SDA alternate functions. |
| 9 | P1.5 | bidirectional | Standard I/O that also serves as ADC5 analog input, PWM3N, SPI SCLK and I2C SCL alternate functions. |
| 10 | P1.6 | bidirectional | Standard I/O that also serves as ADC6 analog input, PWM4P, UART1 RX alternate (RxD_3), main clock output MCLKO_2 and external crystal output XTALO. |
| 11 | P1.7 | bidirectional | Standard I/O that also serves as ADC7 analog input, PWM4N, UART1 TX alternate (TxD_3) and external crystal/clock input XTALI. |
| 12 | P1.3 | bidirectional | Standard I/O that also serves as ADC3 analog input, SPI MOSI, PWM2N and Timer2 clock-divided output T2CLKO. |
| 13 | P1.2 | bidirectional | Standard I/O that also serves as PWM2P output/capture, SPI SS input and Timer2 external clock input T2. |
| 14 | P5.4 | bidirectional | Standard I/O by default; when configured as reset it is an active-low nRST input, and it also serves as MCLKO, ADC2 input and SPI SS. |
| 15 | Vcc | power_in | Power supply pin; operating voltage range is 1.9 V to 5.5 V. |
| 16 | ADC_VRef+ | input | ADC external reference voltage input that must be connected to an external reference between 2.4 V and MCU-VCC, since leaving it floating causes leakage current. |
| 17 | Gnd | power_in | Ground pin, also used as the ADC analog ground AGnd. |
| 18 | P4.0 | bidirectional | Standard I/O that also serves as SPI MOSI alternate (MOSI_3), USART1 and USART2 SPI MOSI alternates and I2S data output I2SSD_4. |
| 19 | P3.0 | bidirectional | Port 3 bit 0 that also serves as UART1 RXD, USB data line D- and external interrupt INT4; it has a weak pull-up after power-on. |
| 20 | P3.1 | bidirectional | Port 3 bit 1 that also serves as UART1 TXD and USB data line D+; it has a weak pull-up after power-on. |
| 21 | P3.2 | bidirectional | Standard I/O that also serves as external interrupt INT0, SPI SCLK alternate, I2C SCL alternate and PWM external trigger PWMETI; it is sampled at power-on to decide USB download entry. |
| 22 | P3.3 | bidirectional | Standard I/O that also serves as external interrupt INT1, SPI MISO alternate, I2C SDA alternate and PWM4N output. |
| 23 | P3.4 | bidirectional | Standard I/O that also serves as Timer0 external clock T0, Timer1 clock-divided output T1CLKO and comparator output CMPO. |
| 24 | P5.0 | bidirectional | Standard I/O that also serves as UART3 RX alternate (RxD3_2), comparator positive input CMP+_2 and CAN RX alternate. |
| 25 | P5.1 | bidirectional | Standard I/O that also serves as UART3 TX alternate (TxD3_2), comparator positive input CMP+_3 and CAN TX alternate. |
| 26 | P3.5 | bidirectional | Standard I/O that also serves as Timer1 external clock T1, Timer0 clock-divided output T0CLKO, SPI SS alternate and PWM fault input PWMFLT. |
| 27 | P3.6 | bidirectional | Standard I/O that also serves as external interrupt INT2, UART1 RX alternate (RxD_2) and comparator negative input CMP-. |
| 28 | P3.7 | bidirectional | Standard I/O that also serves as external interrupt INT3, UART1 TX alternate (TxD_2) and comparator positive input CMP+. |
| 29 | P4.1 | bidirectional | Standard I/O that also serves as SPI MISO alternate (MISO_3), comparator output CMPO_2 and PWM external trigger PWMETI_2. |
| 30 | P4.2 | bidirectional | Standard I/O that also serves as the WR strobe and CAN RX alternate (CAN_RX_3). |
| 31 | P4.3 | bidirectional | Standard I/O that also serves as UART4 RX alternate (RxD_4) and SPI SCLK alternate (SCLK_3). |
| 32 | P4.4 | bidirectional | Standard I/O that also serves as the RD strobe and UART4 TX alternate (TxD_4). |
| 33 | P2.0 | bidirectional | Standard I/O that also serves as address bus A8, PWM1P_2 and PWM5 output. |
| 34 | P2.1 | bidirectional | Standard I/O that also serves as address bus A9, PWM1N_2 and PWM6 output. |
| 35 | P2.2 | bidirectional | Standard I/O that also serves as address bus A10, PWM2P_2, PWM7 and SPI SS alternate. |
| 36 | P2.3 | bidirectional | Standard I/O that also serves as address bus A11, PWM2N_2, PWM8 and SPI MOSI alternate. |
| 37 | P2.4 | bidirectional | Standard I/O that also serves as address bus A12, PWM3P_2, SPI MISO alternate and I2C SDA alternate. |
| 38 | P2.5 | bidirectional | Standard I/O that also serves as address bus A13, PWM3N_2, SPI SCLK alternate and I2C SCL alternate. |
| 39 | P2.6 | bidirectional | Standard I/O that also serves as address bus A14 and PWM4P_2 output. |
| 40 | P2.7 | bidirectional | Standard I/O that also serves as address bus A15 and PWM4N_2 output. |
| 41 | P4.5 | bidirectional | Standard I/O that also serves as the ALE strobe and CAN TX alternate (CAN_TX_3). |
| 42 | P4.6 | bidirectional | Standard I/O that also serves as UART2 RX alternate (RxD2_2), CAN2 RX alternate (CAN2_RX_3) and LIN RX alternate (LIN_RX_3). |
| 43 | P0.0 | bidirectional | Standard I/O that also serves as address/data bus AD0, ADC8 analog input, UART3 RX and CAN RX. |
| 44 | P0.1 | bidirectional | Standard I/O that also serves as address/data bus AD1, ADC9 analog input, UART3 TX and CAN TX. |
| 45 | P0.2 | bidirectional | Standard I/O that also serves as address/data bus AD2, ADC10 analog input, UART4 RX, CAN2 RX and LIN RX. |
| 46 | P0.3 | bidirectional | Standard I/O that also serves as address/data bus AD3, ADC11 analog input, UART4 TX, CAN2 TX and LIN TX. |
| 47 | P0.4 | bidirectional | Standard I/O that also serves as address/data bus AD4, ADC12 analog input and Timer3 external clock T3. |
| 48 | P5.2 | bidirectional | Standard I/O that also serves as UART4 RX alternate (RxD4_2), CAN2 RX alternate (CAN2_RX_2) and LIN RX alternate (LIN_RX_2). |
| 49 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STC Micro |
| Package | QFN-48(6x6) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 49 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| VIH1 输入高电平（普通 I/O） | VIH1 | 1.6 | V | 打开施密特触发 | 1657 | ||
| VIH1 输入高电平（普通 I/O） | VIH1 | 1.54 | V | 关闭施密特触发 | 1657 | ||
| ITL 逻辑 1 到 0 的转移电流 | ITL | 100 | 270 | 600 | uA | 端口电压 2.0V | 1657 |
| I/O 口上拉电阻 | RPU | 4.1 | 4.2 | 4.4 | KΩ | 1657 | |
| VIL1 输入低电平 | VIL1 | 1.32 | V | 打开施密特触发 | 1657 | ||
| VIL1 输入低电平 | VIL1 | 1.48 | V | 关闭施密特触发 | 1657 | ||
| 逻辑 0 输入电流 | IIL | 50 | uA | 端口电压 0V | 1657 | ||
| 普通工作模式电流 | ICC | 4 | 20 | mA | 1657 | ||
| 存储温度 | -55 | 155 | ℃ | 1656 | |||
| 工作温度 | -40 | 85 | ℃ | 使用内部高速 IRC 和外部晶振 | 1656 | ||
| 工作温度 | -40 | 125 | ℃ | 1656 | |||
| 工作电压 | 1.9 | 5.5 | V | 1656 | |||
| VDD 对地电压 | VDD | -0.3 | 5.5 | V | 1656 | ||
| 内部 IRC 温漂特性 | -0.88 | 1.05 | % | 参考温度 25℃; 温度范围 -20℃~65℃ | 1656 | ||
| 内部 IRC 温漂特性 | -1.38 | 1.42 | % | 参考温度 25℃; 温度范围 -40℃~85℃ | 1656 | ||
| 内部 IRC 温漂特性 | -3 | 3 | % | 参考温度 25℃; 温度范围 -40℃~125℃ | 1656 |
CAD (KiCad official)
- Symbol:
STC32G8K64-42I-QFN48 - Footprint:
Package_DFN_QFN:QFN-48-1EP_6x6mm_P0.4mm_EP4.2x4.2mm - 3D model: QFN-48(6x6) (KiCad packages3D, STEP)
- 3D model files:
stc32g8k64-42i-qfn48-etched.step/stc32g8k64-42i-qfn48-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stc32g8k64-42i-qfn48.step/stc32g8k64-42i-qfn48.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STC Micro datasheet (1887 pp, sha256
59bba1d366cc8d33, 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, primaryclaude-haiku-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).