Copyright
©
2013
congatec
AG
TU87m12
57/114
Table 18 General Purpose Serial Interface Signal Descriptions
Signal
Pin #
Description
I/O
PU/PD
Comment
SER0_TX
A98
General purpose serial port transmitter
O 3.3V
SER1_TX
A101
General purpose serial port transmitter
O 3.3V
SER0_RX
A99
General purpose serial port receiver
I 3.3V
PU 50k 3.3V
SER1_RX
A102
General purpose serial port receiver
I 3.3V
PU 50k 3.3V
Table 19 Power and GND Signal Descriptions
Signal
Pin #
Description
I/O
PU/PD
Comment
VCC_12V
A104-A109
B104-B109
Primary power input: +12V nominal. All available VCC_12V pins on the connector(s)
shall be used.
P
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
VCC_RTC
A47
Real-time clock circuit-power input. Nom3.0V.
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.
All available GND connector pins shall be used and tied to Carrier Board GND plane.
P