ADLINK Technology Express-KL2 User Manual page 27

3.3.16. Power and Ground
Signal Pin #
VCC_12V A104-A109
B104-B109
VCC_5V_S B84-B87
BY
VCC_RTC A47
A1, A11, A21, A31, A41,
GND
A51, A57, A60, A66, A70,
A80, A90, A100, A110,
B1, B11, B21,B31, B41,
B51, B60, B70, B80, B90,
B100, B110
Pinouts and Signal Descriptions
Description
Primary power input: +12V nominal (wide range
5 ~ 20V).
All available VCC_12V pins on the connector(s)
shall be used.
Standby power input: +5.0V nominal. See section
7 "Electrical Specifications" for allowable input
range. If VCC5_SBY is used, all available
VCC_5V_SBY pins on the connector(s) shall be
used. Only used for standby and suspend
functions. May be left unconnected if these
functions are not used in the system design.
Real-time clock circuit-power input. Nominally
+3.0V.
Ground - DC power and signal and AC signal
return path.
Express-KL2
I/O PU/PD Comment
P 8.5-20 V
P 5Vsb ±5%
P
P
21