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5.
B
O
OARD
PTIONS
The EDK has a number of configuration settings set by four jumpers CJ4 (A, B, C, D) and zero-ohm links. Common EDK
functions can be set using the jumpers as described in sections 5.2. The additional zero-ohm links provide additional
features that may be required to interface with other systems.
All the Jumper link settings are three pin options. There are four sets of options on each header.
The headers are numbered from 1 to 12 with pin 1 marked on the PCB by an arrow pointing to the pin. The diagram below
shows the numbering of these jumper links and indicates jumpers fitted 1-2 for each three-pin jumper.
5.1. J
L
UMPER
INKS
The following tables define each jumper and its settings.
FLASH
Programming
Power
NMI
Switch
Power LED
User1 LED
User2 LED
RESET
Switch
9-Way
D-Type
CJ4
1 2
3
4
5
6
7
8
1
2
3
1
2
3
1
2
Jumper
Jumper
Jumper
A
B
C
1,2,3
1,2,3
1,2,3
F
5-1: J
IGURE
J1
5V
UVcc
GND
Testpoints
RESn
FW
NMIn
ULED1
ULED2
OSC
PSCK
PTXD
PRXD
RX232
Microprocessor
TX232
CTS
RTS
J2
9
10
11
12
3
1
2
3
Jumper
D
1,2,3
C
UMPER
ONFIGURATION
LIN
SPI
I2C
9
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