CAT5401 Datasheet, PDF (11/17 Pages) ON Semiconductor – Quad Digitally Programmable Potentiometers (DPP™) with 64 Taps and SPI Interface

Figure 10. Increment/Decrement Timing Limits
INC/DEC
Command
Issued
SCK
SI
R_W
Voltage Out
CAT5401
t_WRID
INSTRUCTION FORMAT
Read Wiper Control Register (WCR)
DEVICE ADDRESSES INSTRUCTION
DATA
CS ^{0 1 0 1 0 0 A1 A0 1 0 0 1 0 0 P1 P0 7 6 5 4 3 2 1 0} CS
00
Write Wiper Control Register (WCR)
DEVICE ADDRESSES INSTRUCTION
DATA
CS ^{0 1 0 1 0 0 A1 A0 1 0 1 0 0 0 P1P0 7 6 5 4 3 2 1 0} CS
00
Read Data Register (DR)
DEVICE ADDRESSES INSTRUCTION
DATA
CS ^{0 1 0 1 0 0 A1 A0 1 0 1 1 R1 R0 P1P0 7 6 5 4 3 2 1 0} CS
Write Data Register (DR)
DEVICE ADDRESSES INSTRUCTION
DATA
CS ^{0 1 0 1 0 0 A1 A0 1 1 0 0 R1 R0 P1P0 7 6 5 4 3 2 1 0} CS ^{High Voltage}
Write Cycle
Read (WIP) Status
DEVICE ADDRESSES INSTRUCTION
DATA
CS ^{0 1 0 1 0 0 A1 A0 0 1 0 1 0 0 0 1 7 6 5 4 3 2 1 W} CS
0000 0 0 0 ^I
P
11
Document No. 2010, Rev. F