X9279 Datasheet, PDF (13/22 Pages) Xicor Inc. – Single Digitally-Controlled (XDCP) Potentiometer

X9279
Transfer Data Register (DR) to Wiper Counter Register (WCR)
S Device Type
Device
S ^Instruction
DR/Bank
SS
T
A
R
T
Identifier
0101
Addresses _A
C
0 A2 A1 A0 _K
Opcode
1101
Addresses
RB RA 0 0
AT
CO
KP
Increment/Decrement Wiper Counter Register (WCR)
S
T
A
R
T
Device Type
Identifier
0101
Device
Addresses
S
A
C
0 A2 A1 A0 _K
Instruction
Opcode
0010
DR/Bank
Addresses
0000
S
A
C
K
Increment/Decrement
(Sent by Master on SDA)
S
T
O
I/D I/D . . . . I/D I/D _P
Notes: (1) “MACK”/”SACK”: stands for the acknowledge sent by the master/slave.
(2) “A3 ~ A0”: stands for the device addresses sent by the master.
(3) “X”: indicates that it is a “0” for testing purpose but physically it is a “don’t care” condition.
(4) “I”: stands for the increment operation, SDA held high during active SCL phase (high).
(5) “D”: stands for the decrement operation, SDA held low during active SCL phase (high).
13
FN8175.2
September 27, 2005