參數(shù)資料
型號(hào): X9409
元件分類: 數(shù)字電位計(jì)
英文描述: Quad Digitally Controlled Potentiometers
中文描述: 四重?cái)?shù)控電位器
文件頁(yè)數(shù): 7/21頁(yè)
文件大?。?/td> 407K
代理商: X9409
X9409 – Preliminary Information
Characteristics subject to change without notice.
7 of 21
REV 1.6 1/30/03
www.xicor.com
Figure 7. Acknowledge Response from Receiver
Figure 8. Detailed Potentiometer Block Diagram
SCL from
Master
Data Output
from Transmitter
1
8
9
START
Acknowledge
Data Output
from Receiver
Serial Data Path
From Interface
Circuitry
Register 0
Register 1
Register 2
Register 3
Serial
Bus
Input
Parallel
Bus
Input
Wiper
Counter
Register
(WCR)
INC/DEC
Logic
UP/DN
CLK
Modified SCL
UP/DN
V
H
/R
H
V
L
/R
L
V
W
/R
W
If WCR = 00[H] then V
W
/R
W
= V
L
/R
L
If WCR = 3F[H] then V
W
/R
W
= V
H
/R
H
8
6
C
o
u
n
t
e
r
D
e
c
o
d
e
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