CAT5269 Datasheet, PDF (12/15 Pages) Catalyst Semiconductor – Dual Digitally Programmable Potentiometers (DPP) with 256 Taps and 2-wire Interface

CAT5269
INSTRUCTION FORMAT (continued)
Gang Transfer Data Register (DR) to Wiper Control Register (WCR)
S _{DEVICE ADDRESS} A
INSTRUCTION ^{A S}
T
A
0 1 01 A AA A
C
K
00 0 1 R R0 0
C
K
T
O
R
3 21 0
10
P
T
Gang Transfer Wiper Control Register (WCR) to Data Register (DR)
S _{DEVICE ADDRESS} A
INSTRUCTION ^{A S}
T
A
0 1 01 A AAA
C
K
10 0 0 R R0 0
C
K
T
O
R
3 210
10
P
T
Transfer Wiper Control Register (WCR) to Data Register (DR)
S _{DEVICE ADDRESS} A
INSTRUCTION ^{A S}
T
A
0 1 01 A AAA
C
K
11
1 0 R RP P
C
K
T
O
R
3 210
1 010
P
T
Transfer Data Register (DR) to Wiper Control Register (WCR)
S _{DEVICE ADDRESS} A
INSTRUCTION ^{A S}
T
A
0 1 01 A AA A
C
K
11
0 1 R RP P
C
K
T
O
R
3 21 0
1 01 0
P
T
Increment (I)/Decrement (D) Wiper Control Register (WCR)
S _{DEVICE ADDRESS} A
INSTRUCTION ^A
T
A
0 1 01 A AAA
C
K
00
1 00
0PP
C
K
R
3 210
10
T
II
//
DD
DATA
•••
AS
II
C
K
T
O
//
P
DD
Notes:
(1) Any write or transfer to the Non-volatile Data Registers is followed by a high voltage cycle after a STOP has been issued.
Document No. 2123, Rev. B
12