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