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Instruction Manual
748467-A
January 2002
1-12 Description and Specifications Rosemount Analytical Inc. A Division of Emerson Process Management
Model MicroCEM
Figure 1-9. ADIO Block Diagram
16-BIT A/D
CONVERTER
12-BIT A/D
CONVERTERS
1K X8
FIFO
82C54
COUNTER/TIMER
10 MHZ
OSCILLATOR
AUTOCALIBRATION
CIRCUIT
DC/DC
BUFFER
BUFFER
BUFFER
BUFFER
HIGH CURRENT
DRIVE
+15V
ADDR
CTRL
16-BIT DATA
+15V -15V
PC/104
BUS
PROGRAMMABLE
GAIN AMP
X1,2,4,8
0-31 SE
0-15 DI
ANALOG
INPUTS
ANALOG
OUTPUTS 0-3
TIMING AND
CONTROL SIGNALS
PORT A
24 DIGITAL I/O
PORT B
ACK/STROBE
PORT CL
PORT CH
INPUT MUX
MASTER
CONTROLLER
8255 CIRCUIT