參數(shù)資料
型號: X9279UV14IZ-2.7
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計
英文描述: Single Supply/Low Power/256-Tap/2-Wire Bus
中文描述: 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO14
封裝: 4.40 MM, ROHS COMPLIANT, PLASTIC, TSSOP-14
文件頁數(shù): 8/24頁
文件大?。?/td> 398K
代理商: X9279UV14IZ-2.7
X9279
Characteristics subject to change without notice.
8 of 24
REV 1.1.7 2/6/03
www.xicor.com
Register Selection (R0 to R3) Table
Register Bank Selection (Bank 0 to Bank 3) Table
RB
0
RA
0
Register
Selection
0
Operations
Data Register Read and Write;
Wiper Counter Register
Operations
Data Register Read and Write;
Wiper Counter Register
Operations
Data Register Read and Write;
Wiper Counter Register
Operations
Data Register Read and Write;
Wiper Counter Register
Operations
0
1
1
1
0
2
1
1
3
P1
0
P0
0
Bank
Selection
0
Operations
Data Register Read and Write;
Wiper Counter Register
Operations
Data Register Read and Write
Only
Data Register Read and Write
Only
Data Register Read and Write
Only
0
1
1
1
0
2
1
1
3
Table 1. Identification Byte Format
Table 2. Instruction Byte Format
ID3
0
(MSB)
ID2
1
ID1
0
ID0
1
0
A2
A1
A0
(LSB)
Device Type
Identifier
Set to 0
for proper operation
Internal Slave
Address
I3
I2
I1
I0
RB
RA
P1
P0
(MSB)
(LSB)
Instruction Opcode
Register
Selection
Pot Selection (Bank Selection)
Set to P0=0 for potentiometer operations
P1 and P0 are used also for register Bank Selection
for 2-Wire Register Write and Read operations
Register Selection
Register Selected
RB
RA
DR0
0
0
DR1
0
1
DR2
1
0
DR3
1
1
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相關代理商/技術參數(shù)
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