ADLINK Technology cExpress-KL User Manual page 28

3.3.18. Power and Ground
Signal Pin
VCC_12V A104-A109
B104-B109
VCC_5V_SBY B84-B87
VCC_RTC A47
GND A1, A11, A21,
A31, A41, A51,
A57, A66, A80,
A90, A96, A100,
A110, B1, B11,
B21 ,B31, B41,
B51, B60, B70,
B80, B90, B100,
B110
22
Description
Primary power input: +12V nominal (5 ~ 20V wide
input).
All available VCC_12V pins on the connector(s) shall
be used.
Standby power input: +5.0V nominal. 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.
I/O PU/PD Comment
P 5-20 V
P 5Vsb ±5%
P
P
Pinouts and Signal Descriptions