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STC32G8K48-42I-LQFP32
Public Made by Adomby adom
STC Micro Microcontroller Units (MCUs/MPUs/SOCs), LQFP-32(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
markdownSTC32G8K48-42I-LQFP32
STC Micro · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-32(7x7)
STC32G8K48-42I-LQFP32 from STC Micro, in a LQFP-32(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 | P1.0 | bidirectional | General-purpose bidirectional I/O (standard quasi-bidirectional, push-pull, open-drain or high-impedance input mode); it is also ADC0 input, PWM1P and RxD2 for UART2 receive. |
| 2 | P1.1 | bidirectional | General-purpose bidirectional I/O (standard quasi-bidirectional, push-pull, open-drain or high-impedance input mode); it is also ADC1 input, PWM1N and TxD2 for UART2 transmit. |
| 3 | P1.4 | bidirectional | General-purpose bidirectional I/O (standard quasi-bidirectional, push-pull, open-drain or high-impedance input mode); it is also ADC4 input, PWM3P, SPI MISO and I2C SDA. |
| 4 | P1.5 | bidirectional | General-purpose bidirectional I/O (standard quasi-bidirectional, push-pull, open-drain or high-impedance input mode); it is also ADC5 input, PWM3N, SPI SCLK and I2C SCL. |
| 5 | P1.6 | bidirectional | General-purpose bidirectional I/O (standard quasi-bidirectional, push-pull, open-drain or high-impedance input mode); it is also ADC6 input, PWM4P, RxD_3 and XTALO external crystal output. |
| 6 | P1.7 | bidirectional | General-purpose bidirectional I/O (standard quasi-bidirectional, push-pull, open-drain or high-impedance input mode); it is also ADC7 input, PWM4N, TxD_3 and XTALI external crystal/clock input. |
| 7 | P1.3 | bidirectional | General-purpose bidirectional I/O (standard quasi-bidirectional, push-pull, open-drain or high-impedance input mode); it is also ADC3 input, SPI MOSI, PWM2N and T2CLKO timer 2 clock output. |
| 8 | P1.2 | bidirectional | General-purpose bidirectional I/O (standard quasi-bidirectional, push-pull, open-drain or high-impedance input mode); it is also PWM2P, SPI SS and external timer 2 clock input T2. |
| 9 | P5.4 | bidirectional | General-purpose I/O by default (high-impedance input after power-up); when set as reset pin it is active-low nRST, and it also carries ADC2, MCLKO and SPI slave-select functions. |
| 10 | Vcc/AVcc | power_in | Supply pin for the MCU and ADC analog supply, with operating voltage 1.9V to 5.5V per the datasheet. |
| 11 | ADC_VRef+ | input | ADC external reference voltage input, which must be connected to an external reference between 2.4V and MCU-VCC and must not float because leakage current results. |
| 12 | Gnd/AGnd | power_in | Ground pin shared by digital and ADC analog ground. |
| 13 | P3.0 | bidirectional | Standard I/O port with weak pull-up after power-on; it is also RxD for UART1 receive and external interrupt INT4, and is used with P3.1 for USB/ISP download detection. |
| 14 | P3.1 | bidirectional | Standard I/O port with weak pull-up after power-on; it is also TxD for UART1 transmit and is used with P3.0 for ISP/emulation interface. |
| 15 | P3.2 | bidirectional | Standard I/O port; it is also external interrupt INT0, SPI SCLK and I2C SCL, and is held high at power-on reset. |
| 16 | P3.3 | bidirectional | Standard I/O port; it is also external interrupt INT1, SPI MISO, I2C SDA and PWM4N/PWM7 outputs. |
| 17 | P3.4 | bidirectional | Standard I/O port; it is also timer 0 external input T0, T1 clock output, SPI MOSI, PWM4P/PWM8 and comparator output CMPO. |
| 18 | P3.5 | bidirectional | Standard I/O port; it is also timer 1 external input T1, T0 clock output, SPI slave select, PWM fault input PWMFLT and I2S word select. |
| 19 | P3.6 | bidirectional | Standard I/O port; it is also external interrupt INT2, UART2 receive RxD_2 and comparator negative input CMP-. |
| 20 | P3.7 | bidirectional | Standard I/O port; it is also external interrupt INT3, UART2 transmit TxD_2 and comparator positive input CMP+. |
| 21 | P2.0 | bidirectional | Standard I/O port; it is also address bus A8 for external bus, PWM1P_2 and PWM5 outputs. |
| 22 | P2.1 | bidirectional | Standard I/O port; it is also address bus A9 for external bus, PWM1N_2 and PWM6 outputs. |
| 23 | P2.2 | bidirectional | Standard I/O port; it is also address bus A10, PWM2P_2, PWM7, SPI slave select SS_2 and I2S word select. |
| 24 | P2.3 | bidirectional | Standard I/O port; it is also address bus A11, PWM2N_2, PWM8, SPI MOSI_2 and I2S data. |
| 25 | P2.4 | bidirectional | Standard I/O port; it is also address bus A12, PWM3P_2, SPI MISO_2 and I2C SDA_2. |
| 26 | P2.5 | bidirectional | Standard I/O port; it is also address bus A13, PWM3N_2, SPI SCLK_2 and I2C SCL_2. |
| 27 | P2.6 | bidirectional | Standard I/O port; it is also address bus A14 and PWM4P_2 output. |
| 28 | P2.7 | bidirectional | Standard I/O port; it is also address bus A15 and PWM4N_2 output. |
| 29 | P0.0 | bidirectional | Standard I/O port; it is also address/data bus AD0, ADC8 input, UART3 receive RxD3, CAN receive CAN_RX and PWM5_3. |
| 30 | P0.1 | bidirectional | Standard I/O port; it is also address/data bus AD1, ADC9 input, UART3 transmit TxD3, CAN transmit CAN_TX and PWM6_3. |
| 31 | P0.2 | bidirectional | Standard I/O port; it is also address/data bus AD2, ADC10 input, UART4 receive RxD4, CAN2 receive and LIN receive. |
| 32 | P0.3 | bidirectional | Standard I/O port; it is also address/data bus AD3, ADC11 input, UART4 transmit TxD4, CAN2 transmit and LIN transmit. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STC Micro |
| Package | LQFP-32(7x7) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 32 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Internal IRC frequency drift | -3 | 3 | % | 参考温度25℃, -40℃~125℃ | 1618 | ||
| Power-down mode current | IPD | 1 | uA | VSS=0V，VDD=5.0V，测试温度=25℃ | 1619 |
CAD (KiCad official)
- Symbol:
STC32G8K48-42I-LQFP32 - Footprint:
Package_QFP:LQFP-32_7x7mm_P0.8mm - 3D model: LQFP-32(7x7) (KiCad packages3D, STEP)
- 3D model files:
stc32g8k48-42i-lqfp32-etched.step/stc32g8k48-42i-lqfp32-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stc32g8k48-42i-lqfp32.step/stc32g8k48-42i-lqfp32.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 2026-10-28, 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).