Description
16
4
15
7
3
VDD5
POWER
Power supply voltage input of power regulator, requires an external decoupling capacitor
1
VIO
POWER
I/O port power input, decoupling capacitor
requires
an
external
1
3, 0
2, 0 GND POWER Ground
4
10
6
NONE NONE NONE
Internal power regulator output, core
Features
- l Full-speed USB device interface, USB 2.0 compatible. l Built-in firmware , emulate standard UART interface, used to upgrade the original serial peripherals
or expand additional serial UART via USB. l Original serial.
CH343 Datasheet
