Measurement Computing PCI-DAS6013 User Manual page 20

PCI-DAS6013 and PCI-DAS6014 User's Guide
Analog In
16 CH S-E or
8 CH DIFF.
A/D CONVERT
A/D START TRIGGER
A/D PACER GATE
A/D PACER OUT
SCANCLK
D/A START TRIGGER
D/A UPDATE
D/A PACER OUT
DIO (7: 0 )
EXT CTR1 CLK
CTR1 GATE
CTR1 OUT
CTR2 GATE
CTR2 OUT
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Mux
16-Bit
&
ADC
Gain
EOC
DAC0
12 BITS
(PCI-DAS6014 ONLY)
DAC1
12 BITS
DIO
8 BITS
CTR1 CLK
USER
COUNTER
8 2 C 5 4
1
C o n t r o l
USER
COUNTER
2
Figure 3. Block diagram – PCI-DAS6013 and PCI-DAS6014
HOLDING
REGISTER
Queue
Buffer
16
D Q
(8K)
MEMORY BUS
40 MHz
STC
SYSTEM
TIMING
&
CONTROL
LOCAL BUS
Boot
EEPROM
PCI BUS (5V, 32-BIT, 33 MHZ)
19
Functional Details
DAC
ADC
Buffer
Buffer
(16K)
(8K)