3. EDK BOARD LAYOU T
The diagram shows a general layout of the EDK board.
9-Way
D-Type
Power
RESET
Switch
NMI
Switch
User1 LED
User2 LED
Power LED
FLASH
Programming

CJ4

5V
UVcc
GND
RESn
FW
NMIn
ULED1
ULED2
PSCK
PTXD
PRXD
RX232
TX232
CTS
RTS
Microprocessor
LIN
I2C

J1

J2

XTALOSC
Testpoints
SPI
DEBUG LINI2C
FIGURE 3-1: EDK BOARD LAYOUT

3.1. EDK BLOCK DIAGRAM

The diagram shows the connectivity of the components on the EDK board.
Microprocessor
Switch De-Bounce LIN
SPI
I2C
On-Chip
Debug
Connector
RS232
Programming
& Comms
User1
&
User2
Power
LEDs
Header
Connectors
Reset NMI Switches
EDK specific
External
PSU
FIGURE 3-2: EDK BLOCK DIAGRAM
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