![](/images/new-backgrounds/1180387/180387173x1.webp)
Chapter 3 | SMART I/O User’s Manual | |||
|
|
|
|
|
|
|
|
|
|
3.4.3 SPI Connectors (ST5 and BU1)
On both sides of the board are standard 2x5 pinrow connectors (BU1, ST5), that provide the interface connection between
A
Pinouts for this 10-pin connector
Pin Nr. | Signal | Pin Nr. | Signal |
1 | System VCC (+5V) | 2 | Serial RxD from |
3 | System VCC (+5V) | 4 | Serial TxD from |
5 | Serial Ext. Select | 6 | Serial CLK from |
7 | System GND | 8 | Reset (Power ON/OFF) |
9 | System GND | 10 (BU1) | Serial Ext. Interrupt |
|
|
| (INT4 1st Module only) |
|
| 10 (ST5) | N/C |
Note
Pin 10 of BU1 is only useful on the first
3
|
|
|
|
March 12, 1996 | ©1996 PEP Modular Computers GmbH | Page 3 - 9 | |
|
|