ADLINK Technology Express-KL2, User Manual

Page: 27 / 96

Express-KL2
Pinouts and Signal Descriptions
21
3.3.16. Power and Ground
Signal Pin # Description I/O PU/PD Comment
VCC_12V A104-A109
B104-B109
Primary power input: +12V nominal (wide range
5 ~ 20V).
All available VCC_12V pins on the connector(s)
shall be used. P 8.5-20 V
VCC_5V_S
BY B84-B87 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. P 5Vsb ±5%
VCC_RTC A47 Real-time clock circuit-power input. Nominally
+3.0V. P
GND A1, A11, A21, A31, A41,
A51, A57, A60, A66, A70,
A80, A90, 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