參數(shù)資料
型號(hào)： X9258UV24IZ-2.7
廠商： Intersil
文件頁(yè)數(shù)： 19/19頁(yè)
文件大?。?/td> 0K
描述： IC XDCP QUAD 256TP 50K 24-TSSOP
標(biāo)準(zhǔn)包裝： 62
系列： XDCP™
接片： 256
電阻（歐姆）： 50k
電路數(shù)： 4
溫度系數(shù)： 標(biāo)準(zhǔn)值 ±300 ppm/°C
存儲(chǔ)器類型： 非易失
接口： I²C（設(shè)備位址）
電源電壓： 2.7 V ~ 5.5 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 24-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 24-TSSOP
包裝： 管件
9
FN8168.6
December 15, 2011
Wiper Counter Register, (8-bit), Volatile
One 8-bit Wiper Counter Register for each DCP (four 8-bit
registers in total.)
{D7~D0}: These bits specify the wiper position of the
respective DCP. The Wiper Counter Register is loaded on
power-up by the value in Data Register 0. The contents of
the WCR can be loaded from any of the other Data Register
or directly. The contents of the WCR can be saved in a DR.
Instruction Format
NOTES:
5. “MACK”/”SACK”: stands for the acknowledge sent by the
master/slave.
6. “A3 ~ A0”: stands for the device addresses sent by the master.
7. “X”: indicates that it is a “0” for testing purpose but physically it is
a “don’t care” condition.
8. “I”: stands for the increment operation, SDA held high during
active SCL phase (high).
9. “D”: stands for the decrement operation, SDA held low during
active SCL phase (high).
Read Wiper Counter Register (WCR)
Write Wiper Counter Register (WCR)
Read Data Register (DR)
Write Data Register (WR)
WP7
WP6
WP5
WP4
WP3
WP2
WP1
WP0
V
VVV
V
(MSB)
(LSB)
S
T
A
R
T
DEVICE TYPE
IDENTIFIER
DEVICE
ADDRESSES S
A
C
K
INSTRUCTION
OPCODE
WCR
ADDRESSES S
A
C
K
WIPER POSITION
(SENT BY SLAVE ON SDA)
M
A
C
K
S
T
O
P
0
1
0
1 A3 A2 A1 A0
1001 0 0 P1 P0
WP7 WP6 WP5 WP4 WP3 WP2 WP1 WP0
S
T
A
R
T
DEVICE
TYPE
IDENTIFIER
DEVICE
ADDRESSES
S
A
C
K
INSTRUCTION
OPCODE
WCR
ADDRESSES
S
A
C
K
DATA BYTE
(SENT BY MASTER ON SDA)
S
A
C
K
S
T
O
P
0101 A3 A2 A1 A0
1010
0 0 P1 P0
WP7 WP6 WP5 WP4 WP3 WP2 WP1 WP0
S
T
A
R
T
DEVICE TYPE
IDENTIFIER
DEVICE
ADDRESSES S
A
C
K
INSTRUCTION
OPCODE
DR AND WCR
ADDRESSES
S
A
C
K
DATA BYTE
(SENT BY SLAVE ON SDA)
M
A
C
K
S
T
O
P
0101 A3 A2 A1 A0
1
0
1
1 R1 R0 P1 P0
WP7 WP6 WP5 WP4 WP3 WP2 WP1 WP0
S
T
A
R
T
DEVICE
TYPE
IDENTIFIER
DEVICE
ADDRESSES
S
A
C
K
INSTRUCTION
OPCODE
DR AND WCR
ADDRESSES
S
A
C
K
DATA BYTE
(SENT BY MASTER ON SDA)
S
A
C
K
S
T
O
P
HIGH-VOLTAGE
WRITE CYCLE
0 1 0 1 A3 A2 A1 A0
1100
R1 R0 P1 P0
WP7 WP6 WP5 WP4 WP3 WP2 WP1 WP0
X9258
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