CAT5401 Datasheet, PDF (11/15 Pages) ON Semiconductor – Quad Digitally Programmable Potentiometers (DPP™) with 64 Taps and SPI Interface

INSTRUCTION FORMAT (continued)
Global Transfer Data Register (DR) to Wiper Control Register (WCR)
DEVICE ADDRESSES
INSTRUCTION
¯C¯S¯ ^{0 1 0 1 0 0 A1 A0 0 0 0 1 R1 R0 0 0} ¯C¯S¯
CAT5401
Global Transfer Wiper Control Register (WCR) to Data Register (DR)
DEVICE ADDRESSES
INSTRUCTION
¯C¯S¯ ^{0 1 0 1 0 0 A1 A0 1 0 0 0 R1 R0 0}
High
0
¯C¯S¯
Voltage
Write
Cycle
Transfer Wiper Control Register (WCR) to Data Register (DR)
DEVICE ADDRESSES
INSTRUCTION
High
¯C¯S¯
0
1
0
1
0
0
A1
A0
1
1
1
0
R1
R0
P1
P0
¯C¯S¯
Voltage
Write
Cycle
Transfer Data Register (DR) to Wiper Control Register (WCR)
DEVICE ADDRESSES
INSTRUCTION
¯C¯S¯ ^{0 1 0 1 0 0 A1 A0 1 1 0 1 R1 R0 P1 P0} ¯C¯S¯
Increment (I)/Decrement (D) Wiper Control Register (WCR)
DEVICE ADDRESSES
INSTRUCTION
¯C¯S¯ ^{0 1 0 1 0 0 A1 A0 0 0 1 0 0 0 P1 P0 I/D I/D}
DATA
...
I/D I/D _{¯C¯S¯}
Note:
(1) Any write or transfer to the Non-volatile Data Registers is followed by a high voltage cycle after ^{¯C¯S¯} goes high.
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11
Characteristics subject to change without notice
Doc. No. MD-2012 Rev. J