Pci-Das6402/16 Block Diagram - Measurement Computing PCI-DAS6402/16 User Manual

PCI-DAS6402/16 User's Guide

PCI-DAS6402/16 block diagram

PCI-DAS6402/16 functions are illustrated in the block diagram shown here.
Gain and Offset Autocal
Mux
Analog In
16-Bit
&
64-ch s.e.
Gain
200 kHz
32-ch diff.
TRIG_HI
ANALOG
TRIGGER
TRIG_LO
A/D START/STOP TRIGGER
A/D PACER GATE
A/D EXTERNAL PACER
SSH OUT
A/D INTERNAL PACER OUT
24-bits DIO
PORTA
FIRSTPORTA (7:0)
PORTB
FIRSTPORTB(7:0)
FIRSTPORTC (7:0)
Inputs
DIN(3:0)
DOUT(3:0) Outputs
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Queue ADC
Buffer Buffer
(8K)
(8K)
HOLDING
REG
16
D Q
ADC
EOC
16
STC
ADC
Memory
CNTL
CNTL
Trigger
CNTL
ADC
QUEUE
Pacer
CNTL
Sample
CNTL
Control/
Decoder
Status
40 MHz
Regs
16
8
DMA
Boot
EEPROM CH0
PCI BRIDGE
W/BUS MASTER
DMA
CH1
PCI BUS (5V, 32-bit, 33 MHZ)
Figure 1-1. PCI-DAS6402/16 functional block diagram
1-2
DAC 0/1
32K x 16
Buffer
SRAM
(16K)
Memory BUS
EXTERNAL D/A TRIGGER/PACER GATE
DAC
CNTL
D/A EXTERNAL PACER IN
DAC
Pacer
DAC RT
CNTL
DMA IRQ
INTERRUPT IN
CNTL CNTL
Local BUS
Introducing the PCI-DAS6402/16
Gain and Offset Autocal
DAC0
16 Bit, 100KHz
DAC1
16 Bit, 100KHz
USER
CNTR
0
CTR1 CLK
CTR1 OUT