XC164CM
XC164CM Board
Description of Connectors and Switches
XC164CM series Board Manual
17
V 1.0, 2006-01
3.4
Zero Ohm Resistors
For configuration purposes several zero ohm resistors have been implemented. The
functionality of these resistors are shown in the table below.
Table 4
Zero Ohm Resistors
Component
Name in
schematic
Description
TLE 6259-26
(LIN Transceiver Board
Rev V2.0)
TLE 7259
(LIN Transceiver Board
Rev V2.1)
R123
R147 / R148
enable / disable
connect / disconnect
TLE 6250G
(CAN Transceiver)
R149 / R 150
R151 / R152
R128
R129
R143
R144
R124 / R130
R131 / R132
connect / disconnect (CAN1)
connect / disconnect (CAN2)
enable / disable (CAN1)
enable / disable (CAN2)
supply Bus voltage internal / external
(CAN1)
supply Bus voltage internal / external
(CAN2)
connect Bus / disconnect Bus (CAN1)
connect Bus / disconnect Bus (CAN1)
TLE 7469V52
(Voltage Regulator)
R120
R121
R118 / R119
R116
disable / enable Watchdog input
disable / enable Watchdog functionality
connect / disconnect 5 V / 2.6V voltage
disable / enable voltage regulator
HIN202IBN
(RS232 Level Shifter)
R153
R154
R155
Connect / disconnect Transmit TxD0
Connect / disconnect Receive TxD0
On / off levelshifter device
Status LED´s
oscillator circuit
Analog reference
R125
R122
R126 / R127
connect / disconnect LED´s to 5 V
oscillator gain
change of analog reference source