CAT5411_0710 Datasheet, PDF (11/16 Pages) Catalyst Semiconductor – Dual Digitally Programmable Potentiometers (DPP™) with 64 Taps and SPI Interface

Figure 7. Increment/Decrement Timing Limits
INC/DEC
Command
Issued
SCK
SI
R_W
Voltage Out
CAT5411
t_WRL
INSTRUCTION FORMAT
Read Wiper Control Register (WCR)
DEVICE ADDRESS
INSTRUCTION
DATA
¯C¯S¯ ^{0 1 0 1 0 0 A1 A0 1 0 0 1 0}
0
0 P0 7 6 5 4 3 2 1 0
00
¯C¯S¯
Write Wiper Control Register (WCR)
DEVICE ADDRESS
INSTRUCTION
DATA
¯C¯S¯ ^{0 1 0 1 0 0 A1 A0 1 0 1 0 0}
0
0 P0 7 6 5 4 3 2 1 0
00
¯C¯S¯
Read Data Register (DR)
DEVICE ADDRESS
INSTRUCTION
DATA
¯C¯S¯ ^{0 1 0 1 0 0 A1 A0 1 0 1 1 R1 R0 0 P0 7 6 5 4 3 2 1 0} ¯C¯S¯
Write Data Register (DR)
DEVICE ADDRESS
INSTRUCTION
DATA
¯C¯S¯ ^{0 1 0 1 0 0 A1 A0 1 1 0 0 R1 R0 0 P0 7 6 5 4 3 2 1 0}
¯C¯S¯
High Voltage
Write Cycle
Read Status (WIP)
DEVICE ADDRESS
INSTRUCTION
DATA
¯C¯S¯ ^{0 1 0 1 0 0 A1 A0 0 1 0 1 0}
0
0
1
7654321 W
00
I
¯C¯S¯
P
© Catalyst Semiconductor, Inc.
11
Characteristics subject to change without notice
Doc. No. MD-2114 Rev. I