參數(shù)資料
型號: X9409YV24I
元件分類: 數(shù)字電位計
英文描述: QUAD 2.5K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24
封裝: PLASTIC, TSSOP-24
文件頁數(shù): 19/21頁
文件大小: 149K
代理商: X9409YV24I
X9409 – Preliminary Information
Characteristics subject to change without notice.
7 of 21
REV 1.8 4/13/04
www.xicor.com
Figure 7. Acknowledge Response from Receiver
Figure 8. Detailed Potentiometer Block Diagram
SCL from
Data Output
from Transmitter
1
89
START
Acknowledge
Master
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
INC/DEC
Logic
UP/DN
CLK
Modified SCL
UP/DN
VH/RH
VL/RL
VW/RW
If WCR = 00[H] then VW/RW = VL/RL
If WCR = 3F[H] then VW/RW = VH/RH
8
6
C
o
u
n
t
e
r
D
e
c
o
d
e
(WCR)
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