X9279 Xicor, X9279 Datasheet - Page 13

• Manufacturer Part Number: X9279
• Description: Single Digitally-Controlled (XDCP) Potentiometer
• Manufacturer: Xicor

X9279
Transfer Data Register (DR) to Wiper Counter Register (WCR)
Increment/Decrement Wiper Counter Register (WCR)
Notes: (1) “MACK”/”SACK”: stands for the acknowledge sent by the master/slave.
REV 1.1.7 2/6/03
S
A
R
R
T
T
S
T
A
T
Device Type
0
0
Device Type
Identifier
Identifier
(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).
1
1
0
0
1 0 A 2 A 1 A 0
1
0 A 2 A 1 A 0
Addresses
Addresses
Device
Device
S
A
C
K
S
A
C
K
1 1 0 1 RB RA 0 0
0 0 1 0 0 0 0 0
Instruction
Instruction
Opcode
Opcode
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Addresses
Addresses
DR/Bank
DR/Bank
S
A
C
K
C
S
A
K
I/D I/D .
O
S
T
P
(Sent by Master on SDA)
Increment/Decrement
Characteristics subject to change without notice.
.
.
. I/D I/D
O
S
P
T
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