Athena III User Manual Rev A.03
www.diamondsystems.com
Page
31
Signal
Definition
DIO A7-A0
Digital I/O port A; programmable direction
DIO B7-B0
Digital I/O port B; programmable direction
DIO C7-C0
Digital I/O port C; programmable direction
C7-C4 may be configured for counter/timer signals
EXTTRIG
External A/D trigger input
TOUT1
Counter/Timer 1 output
Vin 7/7+ ~ Vin
0/0+
Analog input channels 7
– 0 in single-ended mode
High side of input channels 7
– 0 in differential mode
Vin 15/7- ~ Vin
8/0-
Analog input channels 15
– 8 in both single-ended mode
Low side of input channels 7
– 0 in differential mode
VOUT0-3
Analog output channels 0
– 3
+5V out
Connected to sw5V supply
(Output only! Do not connect to external supply)
DGND
Digital ground (0V - reference); used for digital circuitry only
AGND
Analog ground; used for analog circuitry only
Vout pin is for analog outputs, Vin pin is for analog inputs
Diamond Systems cable number C-50-18 provides a standard 50-pin connector at each end and mates with this
header.
Connector type:
Standard .1” single row straight pin header with gold flash plating
7. JUMPER CONFIGURATION
The Athena III SBC has the following jumper-selectable configuration options.
Jumper Block
Description
JP4
LCD scan direction and frame rate setting
JP5
LCD panel voltage select
JP6
System configuration settings
JP7
RS-232/422/485 termination select
J26
Data acquisition configuration settings
7.1
LCD Scan and Frame Rate Settings (JP4)
Jumper block JP4 is use to configure LCD scan and frame rate settings.
JP4 Jumper Block with Default Settings