22
Pinouts and Signal Descriptions
3.3.18. Power and Ground
Signal
Pin
Description
I/O
PU/PD Comment
VCC_12V A104-A109
B104-B109
Primary power input: +12V nominal (5 ~ 20V wide
input).
All available VCC_12V pins on the connector(s) shall
be used.
P 5-20
V
VCC_5V_SBY B84-B87
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.
P 5Vsb
±5%
VCC_RTC
A47
Real-time clock circuit-power input. Nom3.0V. P
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
Ground - DC power and signal and AC signal return
path.
P
Содержание cExpress-KL
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