X9268_06 Datasheet, PDF (13/22 Pages) Intersil Corporation – Dual Digitally-Controlled Potentiometers

X9268
INSTRUCTION FORMAT
Read Wiper Counter Register (WCR)
S
T
A
R
T
Device Type
Identifier
0101
Device
Addresses S
A
C
A3 A2 A1 A0 _K
Instruction
Opcode
1001
DR/WCR
Addresses
0 0 0 P0
Wiper Position
S (Sent by X9268 on SDA) M S
A _WWWWWWWW A T
CCCCCCCCCCO
KRRRRRRRRKP
76543210
Write 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
1010
DR/WCR
Addresses
0 0 0 P0
Wiper Position
S (Sent by Master on SDA) S
A _WWWWWWWW A
CCCCCCCCCC
KRRRRRRRRK
76543210
S
T
O
P
Read Data Register (DR)
S
T
A
R
T
Device Type
Identifier
0101
Device
Addresses
A3 A2 A1 A0
S
A
C
K
Instruction
Opcode
1011
DR/WCR
Addresses
RB RA 0 P0
S
A
C
K
Wiper Position
(Sent by X9268 on SDA) M
WWWWWWWW ^A
CCCCCCCCC
RRRRRRRRK
76543210
S
T
O
P
Write Data Register (DR)
S ^{Device Type}
T ^Identifier
A
Device
Addresses
Instruction
S Opcode
A
DR/WCR
Addresses
Wiper Position
S (Sent by Master on SDA) S S
A _WWWWWWWW A T
R
T
0
1
0
1
C
A3 A2 A1 A0 _K 1
1
0
0 RB RA
0
P0
C
K
C
R
C
R
C
R
C
R
C
R
C
R
C
R
C
R
C
K
O
P
76543210
Global XFR Data Register (DR) to Wiper Counter Register (WCR)
S
T
A
R
T
Device Type
Identifier
0101
Device
Addresses
S
A
C
A3 A2 A1 A0 _K
Instruction
Opcode
0001
DR/WCR
Addresses
RB RA 0 0
SS
AT
CO
KP
13
FN8172.4
August 29, 2006