![background image](http://html1.mh-extra.com/html/keithley/das-1800hc-series/das-1800hc-series_user-manual_3961491022.webp)
2-2
Functional Description
Interr
upt
and DMA
Control
Control and
Status
Registers
QRAM
Address
Control
64 x 8
Gain/Chan.
QRAM
32 or 64
Channel
Input MUX
Diff
./S
.E.
Select
Gain
Select
Inst.
Amp
.
Uni./Bip
. Select
DC/DC
Con
v
e
rter
1K x 16
FIFO
T
rigger/Gate and
Burst Mode
Control
16-Bit
Counter 0
16-Bit
Counter 1
16-Bit
Counter 2
Address
Decode &
Select
Prescaler
Xtall Osc.
Buff
er
Latch
Analog
Inputs
32 Diff
.
or
64 S
.E.
Chan.
0/0
Chan.
31/63
D
A
C 0 Out
82C54
Timer/Counter
TGOUT
SSHO
XPCLK/DI0
TGIN/DI1
DI [3:0]
DO [7:0]
+15V
-15V
+5V
ISA PC/A
T Bus (16-bit)
Local Control Bus
D
A
C 0 (12 Bits)
D
A
C 1 (12 Bits)
D
A
C 1 Out
DOSTB
Figure 2-1.
Bloc
k Dia
gram of D
AS-1800HC Series Boar
d
Sampling
12-bit ADC
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com