Data Sheet

UM7 DATASHEET
Rev. 1.6 – Released 1/10/2016
13
PINOUT
MAIN IO HEADER
Mating connector: JST part number ZHR-5(P)
Pin Name
Description
GND
Supply ground
3.3V
3.3V output from onboard LDO. May also
function as a 3.3V supply input if Vin is left
unconnected.
Vin
Supply voltage input. 5.0V nominal.
TX
UART TX output (3.3V TTL)
RX
UART RX input (3.3V TTL)
* The Main IO Header contains all pins required to operate the UM7 normally. The IO
Expansion and Programming headers are optional.