User Manual

Asset-Link 250 User Manual July 19, 2004
970-00047 Rev. 1.2
CSI Wireless©2004 Specifications subject to change without notice Page 3-1
3 Application I/O Connector Specifications
The Asset-Link makes use of a DB-25 connector that is accessible by the user on the
outside of the chassis for general-purpose I/O features.
3.1 Application I/O Connector Type and Pinout
The DB-25 application I/O connector can be either a compact right angle (Kycon type
K31-B25S-NJ or equivalent) or vertical style (Kycon type K85-BD-25S) depending
on the manufacturing SKU. The DB-25 connector pin allocation is:
DB-25 Pin I/O Connection Activity Monitor
Pin 1 CAN BUS High (Future feature) N/A
Pin 2 Digital GPIO 1 Yes (Interrupt)
Pin 3 Digital GPIO 3 Yes (Interrupt)
Pin 4 Digital GPIO 5
SPI BUS - SDI
I
2
C BUS – SDA
No
Pin 5 Digital GPIO 7
SPI BUS – SDO
No
Pin 6 ADC 1 Yes (Polled)
Pin 7 ADC 3 Yes (Polled)
Pin 8 Relay Driver 1 No
Pin 9 PIC Serial Data In Yes (Interrupt)
Pin 10 5V_EXT N/A
Pin 11 Audio In (Future feature) No
Pin 12 VIN_NEG No
Pin 13 VIN_POS Yes (Polled)
Pin 14 CAN BUS Low (Future feature) N/A
Pin 15 Digital GPIO 2 Yes (Interrupt)
Pin 16 Digital GPIO 4 No
Pin 17 Digital GPIO 6 No
Pin 18 Digital GPIO 8
SPI BUS - SCL
I
2
C BUS - SCK
No
Pin 19 ADC 2 Yes (Polled)
Pin 20 ADC 4 Yes (Polled)
Pin 21 Relay Driver 2 No
Pin 22 PIC Serial Data Out No
Pin 23 Audio Out (Future feature) No
Pin 24 VIN_NEG No
Pin 25 VIN_POS Yes (Polled)