# STC8G1K17-36I-SOP8

**STC Micro** · Microcontroller Units (MCUs/MPUs/SOCs) · SOP-8

STC8G1K17-36I-SOP8 from STC Micro, in a SOP-8. 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 | P5.4 | bidirectional | Standard I/O port P5.4 that can be set as the active-low reset input NRST, and also carries the MCLKO, SCL_2, MOSI, RxD_3, T0, INT2 and T1CLKO alternate functions. |
| 2 | Vcc | power_in | Power supply pin; the operating voltage range is 1.9V to 5.5V. |
| 3 | P5.5 | bidirectional | Standard I/O port P5.5 that also carries the INT3, T1, T0CLKO, TxD_3, SS and SDA_2 alternate functions. |
| 4 | Gnd | power_in | Ground pin. |
| 5 | P3.0 | bidirectional | Standard I/O port P3.0 that also serves as the UART1 receive pin RxD and external interrupt INT4; after power-up it is in weak-pull-up quasi-bidirectional mode. |
| 6 | P3.1 | bidirectional | Standard I/O port P3.1 that also serves as the UART1 transmit pin TxD; after power-up it is in weak-pull-up quasi-bidirectional mode. |
| 7 | P3.2 | bidirectional | Standard I/O port P3.2 that also serves as external interrupt INT0, SPI clock SCLK, I2C clock SCL and UART1 receive RxD_2. |
| 8 | P3.3 | bidirectional | Standard I/O port P3.3 that also serves as external interrupt INT1, SPI master-in MISO, I2C data SDA and UART1 transmit TxD_2. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STC Micro |
| Package | SOP-8 |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 8 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating voltage |  | 1.9 |  | 5.5 | V | 工作电压 (operating voltage) as printed in the absolute maximum table | 1052 |
| Operating temperature |  | -40 |  | 85 | ℃ | 工作温度 as printed | 1052 |
| Storage temperature |  | -55 |  | 150 | ℃ | 存储温度 as printed | 1052 |
| VDD to ground voltage | VDD | -0.3 |  | 5.5 | V | VDD 对地电压 as printed | 1052 |
| I/O pin voltage to ground |  | -0.3 |  |  | V | I/O 口对地电压 as printed, upper limit VDD+0.3 V | 1052 |
| Thermal resistance |  |  | 165 |  | ℃/W | 热阻 as printed | 1052 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | PC |  | Accumulator contents and the contents of a sixteen-bit base register, which may be either the Data Pointer or the PC. In the latter case, the PC is incremented to the address of the following | 548 |

## CAD (KiCad official)

- Symbol: `STC8G1K17-36I-SOP8`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `stc8g1k17-36i-sop8-etched.step` / `stc8g1k17-36i-sop8-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stc8g1k17-36i-sop8.step` / `stc8g1k17-36i-sop8.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [STC Micro datasheet](docs/stc8g1k17-36i-sop8-datasheet.pdf) (1240 pp, sha256 `7d5e82c9f651aa92`, 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`, primary `claude-haiku-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/stc8g1k17-36i-sop8-datasheet.pdf)