3.EDK BOARD LAYOUT
The diagram shows a general layout of the EDK board.
FLASH |
| J1 |
|
|
Programming | 5V |
|
| |
Power | UVcc |
|
|
|
|
|
|
| |
| GND | Testpoints |
|
|
| RESn |
| LIN | |
NMI |
| LIN | ||
Switch | FW |
|
| |
NMIn |
|
|
| |
|
|
|
| |
| ULED1 |
|
| |
| ULED2 | OSC |
| |
Power LED | PSCK |
|
| |
PTXD |
|
|
| |
User1 LED |
|
|
| |
PRXD |
|
|
| |
User2 LED |
| SPI |
| |
RX232 |
| |||
RESET | TX232 |
| Microprocessor | DEBUG |
| XTAL |
| ||
Switch |
|
| ||
| CTS |
| ||
| RTS |
| ||
|
|
|
| |
|
|
|
| |
|
| I2C | I2C | |
|
| J2 |
|
|
CJ4 |
|
|
|
|
|
| FIGURE |
| |
3.1.EDK BLOCK DIAGRAM
The diagram shows the connectivity of the components on the EDK board.
External |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Reset |
|
| NMI | Switches | ||||||||
PSU |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
| |
EDK specific
RS232
Programming
& Comms
Switch
Microprocessor
|
|
|
|
|
|
|
LEDs |
|
|
|
| ||
|
|
|
| Header | ||
User1 |
| |||||
Power |
| Connectors | ||||
& |
|
| ||||
|
|
|
|
| ||
User2 |
|
|
|
|
| |
|
|
|
|
|
|
|
LIN
SPI
I2C
Debug
Connector
FIGURE 3-2: EDK BLOCK DIAGRAM
5