WeAct Studio CH552T Mini Core Board Learning Development WCH MCS51 DIP20 TSSOP20


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SKU: R110774
  1. System Frequency: Up to 24MHz
  2. Program ROM: 16KB
  3. Internal iRAM: 256 bytes
  4. In-chip xRAM: 1KB with DMA support


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Brand: WeAct
Category: IoT Development Boards

The CH552 is an enhanced E8051 kernel microcontroller, fully compatible with the MCS51 instruction set, offering significant improvements in speed and functionality. With 79% of its instructions being single-byte single-cycle instructions, the CH552 delivers an average instruction speed that is 8 to 15 times faster than standard MCS51 devices. This microcontroller supports a system frequency of up to 24MHz and includes 16KB of program ROM, 256 bytes of internal iRAM, and 1KB of in-chip xRAM with DMA capability.


  1. Enhanced E8051 kernel with MCS51 instruction set compatibility
  2. High-speed operation with up to 24MHz system frequency.
  3. Built-in ADC for analog-to-digital conversion and touch key capacitance detection.
  4. Three groups of timers for signal capture and PWM.
  5. Integrated peripherals including dual asynchronous serial ports, SPI, and USB device controller.
  6. Development Support: Compatible with Keil, Arduino, and SDCC environments.
  7. Programming and Download Options: Supports USB download and serial port download.
  8. Development Modes: Supports Keil lighting examples, RTXTiny2, Arduino lighting routines, SDCC examples, and more.

Package Includes:

1 x WeAct Studio CH552T Mini Core Board Learning Development WCH MCS51 DIP20 TSSOP20

SKU: R110774 Category:



256 bytes


Arduino, Keil, SDCC

Shipping Weight 0.01 kg
Shipping Dimensions 5 × 5 × 2 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China