3. EDK
B
OARD
L
AYOUT
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
XTAL
OSC
Testpoints
SPI
D
EBU
G
LIN
I2
C
F
IGURE
3-1: EDK B
OARD
L
AYOUT
3.1. EDK
B
LOCK
D
IAGRAM
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
F
IGURE
3-2: EDK B
LOCK
D
IAGRAM
5
