參數(shù)資料
型號: X9428WP
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計
英文描述: 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 2/20頁
文件大小: 580K
代理商: X9428WP
X9428
Characteristics subject to change without notice.
10 of 20
REV 1.1.5 7/8/03
www.xicor.com
XFR Wiper Counter Register (WCR) to Data Register (DR)
Increment/Decrement Wiper Counter Register (WCR)
S
T
A
R
T
device type
identifier
device
addresses
S
A
C
K
instruction
opcode
register
addresses
S
A
C
K
S
T
O
P
HIGH-VOLTAGE
WRITE CYCLE
0101
A
3
A
2
0
A
0
1110
R
1
R
0
00
S
T
A
R
T
device type
identifier
device
addresses
S
A
C
K
instruction
opcode
S
A
C
K
increment/decrement
(sent by master on SDA)
S
T
O
P
0101
A
3
A
2
0
A
0
00100000
I/
D
I/
D
....
I/
D
I/
D
SYMBOL TABLE
Guidelines for Calculating Typical Values of Bus
Pull-Up Resistors
WAVEFORM
INPUTS
OUTPUTS
Must be
steady
Will be
steady
May change
from Low to
High
Will change
from Low to
High
May change
from High to
Low
Will change
from High to
Low
Don’t Care:
Changes
Allowed
Changing:
State Not
Known
N/A
Center Line
is High
Impedance
120
100
80
40
60
20
40
60
80 100 120
0
Resistance
(K)
Bus Capacitance (pF)
Min.
Resistance
Max.
Resistance
RMAX =
CBUS
tR
RMIN =
IOL MIN
VCC MAX
=1.8K
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相關代理商/技術參數(shù)
參數(shù)描述
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