LPC4088 Closed Payment Loop Demo - Connecting the boards together
In order to use the demo, the three boards (Embedded Artists Base Board, LPC4088 OEM module, CLRC663 Blueboard) must be connected together. Please follow below steps to accomplish this.
1) Place the LPC4088 OEM module in the baseboard.
2) Secure the 7" LCD board ontop of the baseboard using the supplied plastic spacers. Connect the two boards electrically together by using the supplied flatcable.
3) Connect the Blueboard to the base board. This is done by 8 wires and a USB-A to USB Mini-B cable. The USB connecting is only used for +5V and GND, not for data. For the 8 wire conenctions, please refer to the table below.
| EA Baseboard | Blueboard | Function |
|---|---|---|
| USB | UBS | 5V supply / GND |
| +3V3, [J4] 2 | 3V3 | 3.3V supply |
| GPIO37, [J5] 23 | P2.4 | CLRC663 Interface Select0 |
| GPIO40, [J3] 28 | P2.5 | CLRC663 Interface Select1 |
| GPIO38, [J3] 27 | P0.3 | CLRC663 Reset |
| I2C-SDA, [J5] 25 | SDA | SDA |
| I2C-SCL, [J5] 26 | SCL | SCL |
| - | P2.0 | CLRC663 I2C address, connect to GND |
| - | P2.1 | CLRC663 I2C address, connect to GND |
Proceed to "Compiling the software & flashing the board".
