CAT5221_08 Datasheet, PDF (12/16 Pages) Catalyst Semiconductor – Dual Digitally Programmable Potentiometer (DPP™) with 64 Taps and I2C Interface

CAT5221
Global Transfer Data Register (DR) to Wiper Control Register (WCR)
S DEVICE ADDRESSES A
INSTRUCTION
AS
T _{0 1 0 1 A3 A2 A1 A0} C _{0 0 0 1 0 0 R1 R0} C T
A
K
KO
R
P
T
Global Transfer Wiper Control Register (WCR) to Data Register (DR)
S DEVICE ADDRESSES A
INSTRUCTION
AS
T _{0 1 0 1 A3 A2 A1 A0} C _{1 0 0 0 0 0 R1 R0} C T
A
K
KO
R
P
T
Transfer Wiper Control Register (WCR) to Data Register (DR)
S DEVICE ADDRESSES A
INSTRUCTION
AS
T _{0 1 0 1 A3 A2 A1 A0} C _{1 1 1 0 0 P0 R1 R0} C T
A
K
KO
R
P
T
Transfer Data Register (DR) to Wiper Control Register (WCR)
S DEVICE ADDRESSES A
INSTRUCTION
AS
T _{0 1 0 1 A3 A2 A1 A0} C _{1 1 0 1 0 P0 R1 R0} C T
A
K
KO
R
P
T
Increment (I)/Decrement (D) Wiper Control Register (WCR)
S DEVICE ADDRESSES A
INSTRUCTION
A
T _{0 1 0 1 A3 A2 A1 A0} C _{0 0 1 0 0 P0 0 0} C _{I/D I/D}
A
K
K
R
T
DATA
...
S
I/D I/D ^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.
Doc. No. MD-2113 Rev. K
12
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Characteristics subject to change without notice