Prometheus Assembly - MCU block¶
(a) - MCU¶
Component List¶
PCB Top Side¶
(b) - ground/power connections¶
Component List¶
PCB Top Side¶
(c) - minimal circuitry¶
Component List¶
PCB Top Side¶
PCB Bottom Side¶
Warning for Rev0.1! Be careful when soldering C42 and C43 - they should not be in contact!
(d) - pull-up resistors¶
Component List¶
PCB Top Side¶
PCB Bottom Side¶
(e) - crystal¶
Component List¶
PCB Top Side¶
The 1st pin is marked with a little dash:
(f) - LED and programmer connector¶
Component List¶
PCB Top Side¶
Connecting the programmer¶
Now check if MCU works using ST-Link/V2 programmer:
Make sure that an external +12V power supply is always connected when using the board:
SWD Connector pinout¶
The programmer connector pinout (from left to right): 1 - the first pin is not used 2 - GND (ground) 3 - NRST (reset) 4 - SWCLK 5 - SWDIO
