Vstby, 10 vstby – PNI MicroMag User Manual
Page 18
PNI Sensor Corporation
DOC# 1015175 r01
MicroMag User Manual
– March 2010
Page 18 of 23
4.3.10 VSTBY
VSTBY is only available on the MicroMag2. (It is wired to VDD on the
MicroMag2-on-Carrier and the MicroMag3.) VSTBY provides power to the SPI ports
on the PNI ASIC. It should be tied to VDD to prevent current sinking which could be
caused when another device is using the SPI bus.