CH551G development board features the CH551 chip, which is an enhanced e8051 core single-chip microcomputer compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions, and the average instruction speed is 8-15 times faster than the standard MCS51.
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Ch551 supports up to 24MHz system main frequency. It has built-in 10KB program memory (ROM), 256-byte internal IRAM, and 512 bytes on-chip xram. Xram supports DMA (direct memory access).
The ch551 has 4 channel capacitive touch buttons, three sets of timers and signal capture, PWM, SPI, asynchronous serial port (UART0), USB device controller, and full speed transceiver.
1 x CH551G Development board
Example LED Test