ADLINK PXI-2006 - Manual (Page 32)

22 Signal Connections
*PIO means programmable I/O
Legend:
21 AFI1 DGND Input
Auxiliary Func-
tion Input 1
(DAWR,
DA_START)
SSI_TIMEBASE 1 2 DGND
SSI_ADCONV 3 4 DGND
SSI_DAWR 5 6 DGND
SSI_SCAN_START 7 8 DGND
RESERVED 9 10 DGND
SSI_AD_TRIG 11 12 DGND
SSI_DA_TRIG 13 14 DGND
RESERVED 15 16 DGND
RESERVED 17 18 DGND
RESERVED 19 20 DGND
Table 3-3: SSI connector (JP3) pin assignment for DAQ-20XX
SSI timing signal Functionality
SSI_TIMEBASE
SSI master: send the TIMEBASE out
SSI slave: accept the SSI_TIMEBASE to
replace the internal TIMEBASE signal.
SSI_ADCONV
SSI master: send the ADCONV out
SSI slave: accept the SSI_ADCONV to
replace the internal ADCONV signal.
SSI_SCAN_START
SSI master: send the SCAN_START out
SSI slave: accept the SSI_SCAN_START to
replace the internal SCAN_START signal.
SSI_AD_TRIG
SSI master: send the internal AD_TRIG out
SSI slave: accept the SSI_AD_TRIG as the
digital trigger signal.
Table 3-4: Legend of SSI connector
Pin # Signal Name Reference Direction Description
Table 3-2: 68-pin VHDCI-type Connector Legend