X9279
Transfer Data Register (DR) to Wiper Counter Register (WCR)
S
T
A
R
T
Device Type
Identifier
Device
Addresses
Instruction
Opcode
DR/Bank
Addresses
S
A
C
K
S S
A T
C O
K P
0
1
0
1
0 A 2 A 1 A 0
1 1 0 1 RB RA 0 0
Increment/Decrement Wiper Counter Register (WCR)
S
T
A
R
T
Device Type
Identifier
Device
Addresses
Instruction
Opcode
DR/Bank
Addresses
Increment/Decrement
(Sent by Master on SDA)
S
A
C
K
S
S
T
O
P
A
C
K
0
1
0
1
0 A 2 A 1 A 0
0
0
1
0
0
0
0
0
I/D I/D
.
.
.
.
I/D I/D
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).
Characteristics subject to change without notice. 13 of 24
REV 1.1.7 2/6/03
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XICOR [ XICOR INC. ]
