參數(shù)資料
型號: X9279UV14IT1
廠商: Intersil
文件頁數(shù): 16/18頁
文件大?。?/td> 0K
描述: IC XDCP SGL 256TAP 50K 14-TSSOP
標準包裝: 2,500
系列: XDCP™
接片: 256
電阻(歐姆): 50k
電路數(shù): 1
溫度系數(shù): 標準值 ±300 ppm/°C
存儲器類型: 非易失
接口: I²C(設備位址)
電源電壓: 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 14-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 14-TSSOP
包裝: 帶卷 (TR)
7
FN8175.4
September 23, 2009
TABLE 3. IDENTIFICATION BYTE FORMAT
TABLE 4. INSTRUCTION BYTE FORMAT
TABLE 1. REGISTER SELECTION (R0 TO R3)
RB
RA
REGISTER
SELECTION
OPERATIONS
0
Data Register Read and Write; Wiper
Counter Register Operations
0
1
Data Register Read and Write; Wiper
Counter Register Operations
1
0
2
Data Register Read and Write; Wiper
Counter Register
Operations
1
3
Data Register Read and Write; Wiper
Counter Register
Operations
TABLE 2. REGISTER BANK SELECTION (BANK 0 TO BANK 3)
P1
P0
BANK
SELECTION
OPERATIONS
0
Data Register Read and Write; Wiper
Counter Register Operations
0
1
Data Register Read and Write Only
1
0
2
Data Register Read and Write Only
1
3
Data Register Read and Write Only
ID3
ID2
ID1
ID0
0
A2
A1
A0
01
(MSB)
(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
Pot Selection (Bank Selection)
Set to P0 = 0 for potentiometer operations
Selection
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
DR1
0
1
DR2
1
0
DR3
1
TABLE 5. INSTRUCTION SET
INSTRUCTION
INSTRUCTION Set
OPERATION
I3
I2
I1
I0
RB
RA
P1
P0
Read Wiper Counter Register
1
0
1
0
Read the contents of the Wiper Counter Register
Write Wiper Counter
Register
1
0
1
0
Write new value to the Wiper Counter Register
Read Data Register
1
0
1
1/0
Read the contents of the Data Register pointed to by P1 - P0
and RB - RA
Write Data Register
1
0
1/0
Write new value to the Data Register pointed to by P1 - P0 and
RB - RA
XFR Data Register to
Wiper Counter Register
1
0
1
1/0
0
Transfer the contents of the Data Register pointed to by
RB-RA (Bank 0 only) to the Wiper Counter Register
XFR Wiper Counter
Register to Data Register
1
0
1/0
0
Transfer the contents of the Wiper Counter Register to the
Register pointed to by RB-RA (Bank 0 only)
Increment/Decrement
Wiper Counter Register
0
1
0
Enable Increment/decrement of the Wiper Counter Register
NOTE:
3. 1/0 = data is one or zero
X9279
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