CAT5409 Datasheet, PDF (12/17 Pages) Catalyst Semiconductor – Quad Digitally Programmable Potentiometers (DPPTM) with 64 Taps and 2-wire Interface

CAT5409
INSTRUCTION FORMAT (continued)
Global Transfer Data Register (DR) to Wiper Control Register (WCR)
S _{DEVICE ADDRESS} A
INSTRUCTION
AS
T
C
CT
A ^{0 1 0 1 A3 A2 A1 A0} K ^{0 0 0 1 R1 R0 0 0} K O
R
P
T
Global Transfer Wiper Control Register (WCR) to Data Register (DR)
S _{DEVICE ADDRESS} A
INSTRUCTION
AS
T
A
0 1 0 1 A3 A2 A1 A0
C
K
1 0 0 0 R1 R0 0 0
C
K
T
O
R
P
T
Transfer Wiper Control Register (WCR) to Data Register (DR)
S _{DEVICE ADDRESS}
A
INSTRUCTION
AS
T
C
CT
A ^{0 1 0 1 A3 A2 A1 A0} K ^{1 1 1 0 R1 R0 P1 P0} K O
R
P
T
Transfer Data Register (DR) to Wiper Control Register (WCR)
S _{DEVICE ADDRESS} A _INSTRUCTION
AS
T
A
0 1 0 1 A3 A2 A1 A0
C
K
11
0 1 R1 R0 P1 P0
C
K
T
O
R
P
T
Increment (I)/Decrement (D) Wiper Control Register (WCR)
S _{DEVICE ADDRESS}
A _INSTRUCTION
A
T
A
0
1 0 1 A3 A2 A1 A0
C
K
00
1
00
0 P1 P0
C
K
I/D I/D
R
T
DATA
•••
AS
I/D I/D
C
K
T
O
P
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. 2010, Rev. I
12