X9259_14 Datasheet, PDF (10/21 Pages) Intersil Corporation – Single Supply/Low Power/256-Tap/2-Wire Bus Quad Digitally-Controlled Potentiometers

X9259
Instruction Format
Read Wiper Counter Register (WCR)
DEVICE TYPE
DEVICE
INSTRUCTION
DR/WCR
WIPER POSITION
S
T
A
R
T
IDENTIFIER
0101
ADDRESSES
A3 A2 A1 A0
S
A
C
K
OPCODE
1001
ADDRESSES
0 0 P1 P0
S
A
C
K
(SENT BY X9259 ON SDA)
M
WWWWWWWW ^A
CCCCCCCCC
RRRRRRRRK
S
T
O
P
76543210
Write Wiper Counter Register (WCR)
DEVICE TYPE
DEVICE
INSTRUCTION
DR/WCR
WIPER POSITION
S
T
A
R
T
IDENTIFIER
0101
ADDRESSES
A3 A2 A1 A0
S
A
C
K
OPCODE
1010
ADDRESSES
0 0 P1 P0
S
(SENT BY MASTER ON SDA)
S
A _WWWWWWWW A
CCCCCCCCCC
KRRRRRRRRK
S
T
O
P
76543210
Read Data Register (DR)
DEVICE TYPE
DEVICE
INSTRUCTION
DR/WCR
WIPER POSITION
S _IDENTIFIER
T
ADDRESSES
S ^OPCODE
ADDRESSES
S ^{(SENT BY X9259 ON SDA)} M S
A
R
T
0
1
0
1
A3 A2 A1 A0
A
C
K
1
0
1
1
RB
RA
P1
P0
A _WWWWWWWW A
CCCCCCCCCC
KRRRRRRRRK
T
O
P
76543210
Write Data Register (DR)
DEVICE TYPE
DEVICE
INSTRUCTION
DR/WCR
WIPER POSITION
S
T
A
R
T
IDENTIFIER
0101
ADDRESSES
A3 A2 A1 A0
S
A
C
K
OPCODE
1100
ADDRESSES
RB RA P1 P0
S ^{(SENT BY MASTER ON SDA)} S
A _WWWWWWWW A
CCCCCCCCCC
KRRRRRRRRK
S
T
O
P
76543210
Global XFR Data Register (DR) to Wiper Counter Register (WCR)
S
T
A
R
T
DEVICE TYPE
IDENTIFIER
0101
DEVICE
ADDRESSES
A3 A2 A1 A0
S
A
C
K
INSTRUCTION
OPCODE
0001
DR/WCR
ADDRESSES
RB RA 0 0
SS
AT
CO
KP
Global XFR Wiper Counter Register (WCR) to Data Register (DR)
S
T
A
R
T
DEVICE TYPE
IDENTIFIER
0101
DEVICE
ADDRESSES
A3 A2 A1 A0
S
A
C
K
INSTRUCTION
OPCODE
1000
DR/WCR
ADDRESSES
RB RA 0 0
S
A
C
K
S
T
O
P
HIGH-VOLTAGE
WRITE CYCLE
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FN8169.6
December 12, 2014