STC32G12K128 32-bit 8051 Minimum System Development Board
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Prices updated: 12 Oct 2026
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About this product
A minimum system board built around the STC32G12K128, an enhanced 32-bit 8051-core microcontroller with up to 128 KB of flash. It runs at 1T speed (one clock per machine cycle), supports in-system programming without a special programmer, and suits embedded projects and learning the 8051 family.
Specifications
- Core
- 32-bit enhanced 8051 (1T)
- Flash memory
- Up to 128 KB
- Operating voltage
- 1.9 V to 5.5 V
- Interrupt sources
- 49
- Operating temperature
- -40 °C to +85 °C
- EEPROM
- Configurable size, 512-byte page erase
Frequently asked questions
How do I program this board?
Use the chip's built-in ISP. No special programmer is needed, so programming is typically done over a USB-to-serial adapter with the STC programming software. Confirm the board's header pinout before connecting.
What supply voltage should I use?
The MCU operates from 1.9 V to 5.5 V and includes a built-in LDO. Check the board's power header and any onboard regulator before connecting your supply.
