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https://www.wch.cn/downloads/CH559EVT_ZIP.html
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https://w2.electrodragon.com/chip-cn/WCH/CH559-DAT/CH559ds1.pdf
CH559
- E8051, 6K +256B SRAM, 60K Code, 1K Data Flash
- UART0, UART1, SPI0 M/S, SPI1 M
Info
- https://kprasadvnsi.github.io/CH559_Doc_English/docs/1-overview/
Pin Info
- P12 = PWM3
- P23 = PWM1
- P25 = PWM2
LED-CTRL: LED control card interface, built-in 4-level FIFO, supports DMA mode, and 1/2/4-channel data interface, high speed rate up to Fsys/2.
P32 P33 P34 P44 = LED 0 LED1 LEDC LED3
- P42 = LED5/PWM3_
- P43 = LED6/PWM1_
board sch
