8051 microcontroller
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official ch554 evt pcb Update README.TXT Nov 28, 2017
taobao ch554 Delete .DS_Store Nov 28, 2017
CH554DS1.PDF ch554 Nov 28, 2017
CH554EVT.PDF ch554 Nov 28, 2017
readme.txt ch554 Nov 28, 2017


Software brief:

CH554 evaluation board description and reference application routines, including USB devices, USB-Host, read and write U disk files, Touch-Key, Type-C, ADC, timer, PWM, serial port, SPI and so on.

Scope of application: CH554T, CH554G, CH554E, CH553G
Download and install the software:
WCHISPTOOL (ISP download does not need to install other drivers separately)

Download method:
DOWN and 3V3 use tweezers such as short connection, insert USB, disconnect short connection immediately (because DOWN and USB are reused), and WCHISPTOOL software can identify USB devices at this time.