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6.6. Option Links
Table 6-5 below describes the function of the option links contained on this CPU board. The default configuration is indicated by BOLD
text.
Option Link Settings
Reference Function Fitted Alternative ( Removed ) Related To
R7 FLASH memory Write protects Flash Memory Does not write protect Flash Memory
R8 A-D/D-A Connects microcontroller pin 92 to
AN6
Disconnects microcontroller pin 92
from AN6
R9
R9 A-D/D-A
Connects microcontroller pin
92 to DA0
Disconnects microcontroller pin 92 from
DA0
R8
R10 A-D/D-A
Connects microcontroller pin
93 to DA1
Disconnects microcontroller pin 93 from
DA1
R11
R11 A-D/D-A Connects microcontroller pin 93 to
AN7
Disconnects microcontroller pin 93
from AN7
R10
R16 Operating mode Connects MD1 = 0
Does not connect MD1 = 0
R15
R17 Operating mode Connects MD0 = 1
Does not connect MD0 = 1
R18
R18 Operating mode
Connects MD0 = 0
Does not connect MD0 = 0 R17
R19 Potentiometer
Connects potentiometer to
microcontroller pin 86
Disconnects potentiometer from
microcontroller pin 86
R21
R20 SDRAM chip
select
Enables SDRAM Chip Select
Disables SDRAM Chip Select
R21 Analog Input Connects microcontroller pin 86 to
AN0
Disconnects microcontroller pin 86
from AN0
R19
R23 Chip Select Connects microcontroller pin 81 to
CS2n
Disconnects microcontroller pin 81
from CS2n
R25
R24 FLASH chip
select
Enables FLASH Chip Select
Disables FLASH Chip Select
R25 ADTRGn
Connects microcontroller pin
81 to ADTRGn
Disconnects microcontroller pin 81 from
ADTRGn
R23, R59
R26 Transceiver
Enables read from Expansion
Connector
Disables read from Expansion Connector
R28 Motor Control Connects microcontroller pin 80 to
TRISTn
Disconnects microcontroller pin 80
from TRISTn
R29
R29 Chip Select
Connects microcontroller pin
80 to CS3n
Disconnects microcontroller pin 80 from
CS3n
R28
R30 Write Signal Connects microcontroller pin 72 to
WRn
Disconnects microcontroller pin 72
from WRn
R33
R31 CAN
Connects microcontroller pin
170 to CAN1_STBn
Disconnects microcontroller pin 170 from
CAN1_STBn
R32, R127
9