X9418 Xicor, X9418 Datasheet - Page 7
X9418
Manufacturer Part Number
X9418
Description
Dual Digitally Controlled Potentiometers
Manufacturer
Xicor
Datasheet
1.X9418.pdf
(21 pages)
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X9418
Figure 7. Acknowledge Response from Receiver
Figure 8. Detailed Potentiometer Block Diagram
REV 1.1.5 7/23/02
If WCR = 00[H] then V
If WCR = 3F[H] then V
Serial Data Path
From Interface
Circuitry
from Transmitter
from Receiver
Data Output
Data Output
SCL from
Master
W
W
/R
/R
W
W
= V
= V
START
Register 0
Register 2
L
H
/R
/R
L
H
8
1
Register 1
Register 3
www.xicor.com
Modified SCL
UP/DN
6
Parallel
Bus
Input
UP/DN
CLK
Serial
Bus
Input
Register
Counter
INC/DEC
(WCR)
Wiper
Logic
8
Characteristics subject to change without notice.
C
o
u
n
e
D
e
o
d
e
t
r
c
Acknowledge
9
V
V
V
H
L
W
/R
7 of 21
/R
/R
H
L
W