ARM1007-dat
HC32L136 Low-Power Cortex-M0+ Mini Dev. Board
https://www.electrodragon.com/product/hc32l136-low-power-cortex-m0-mini-dev-board/
- legacy wiki page - https://w.electrodragon.com/w/HDSC_SDK
Board map
USB-TTL selection (on the top left pins)
- PA13 - UART0_RXD
- PA14 - UART0_TXD
- PA09 - UART0_TXD
- PA10 - UART0_RXD
misc
- chip reset - USB_DTR
BOOT0
- default pull down / or jumper pull up
Power supply
- by back jumper: +5V or 3V3
- power ON/OFF: by backside top right switch
- Power-distribution-dat: select power via USB or battery
Programmer IOs
- button: reset / PD4
- LEDs: PD5