Hardware Manual XE166 Low End Easy Kit Board V1.5
Information in Detail
Hardware Manual
23
V1.5, 2011-03
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 7
Zero Ohm Resistors
Component
Name in
schematic
Description
TLE7259
(LIN Transceiver Board)
For XE16xL series
For XE16xU series
R124
R125 / R126
R149 / R150
enable / disable
connect / disconnect
connect / disconnect
TLE6251DS
(CAN Transceiver)
1)
1) CAN transceiver is not available to XE16xU series.
R129 / R130
R131
R135
R133 / 134
connect / disconnect (CAN0)
enable / disable (CAN0)
supply Bus voltage internal / external (CAN0)
connect Bus / disconnect Bus (CAN0)
Microcontroller XE16x
Analog reference
Voltage supply
R148
R213
R147
change of analog reference source
change of voltage supply
AT25128N
2)
(Serial EEPROM)
2) The soldered part may differ from the schematic, for example Atmel 25040AN.
R140 / R141
R142 / R143
connect to USIC0 Channel 1
connect to USIC0 Channel 1
Status LED´s
Oscillator circuit
R109
R115 / R116
connect / disconnect LED´s to 5 V
oscillator gain
FT2232HL
JTAG-Option:
DAP-Option:
ASC Bootloader:
64 Pin / 48 Pin/ 38 Pin
Other
U203:
EEPROM 93LC46B:
R233, R238
R233, R238
R236-R237
R236-R237
R210
R207
open
assembled with 0R
assembled with 0R
open
For internal use only
If ORG functionality is needed