CAT5261 Datasheet, PDF (11/15 Pages) Catalyst Semiconductor – Dual Digitally Programmable Potentiometer

Figure 10. Increment/Decrement Timing Limits
INC/DEC
Command
Issued
SCK
SI
R_W
Voltage Out
CAT5261
t_WRL
INSTRUCTION FORMAT
Read Wiper Control Register (WCR)
DEVICE ADDRESSES INSTRUCTION
DATA
CS ^{0 1 0 1 0 0 A A 1 0 0 1 0 0 P P 7 6 5 4 3 2 1 0} CS
10
10
Write Wiper Control Register (WCR)
DEVICE ADDRESSES INSTRUCTION
DATA
CS ^{0 1 0 1 0 0 A A 1 0 1 0 0 0 P P 7 6 5 4 3 2 1 0} CS
10
10
Read Data Register (DR)
DEVICE ADDRESSES INSTRUCTION
DATA
CS ^{0 1 0 1 0 0 A A 1 0 1 1 R R P P 7 6 5 4 3 2 1 0} CS ^{High Voltage}
10
101 0
Write Cycle
Write Data Register (DR)
DEVICE ADDRESSES INSTRUCTION
DATA
CS ^{0 1 0 1 0 0 A A 1 1 0 0 R R P P 7 6 5 4 3 2 1 0} CS
10
101 0
Read (WIP) Status
DEVICE ADDRESSES INSTRUCTION
DATA
CS ^{0 1 0 1 0 0 A A 0 1 0 1 0 0 0 1 7 6 5 4 3 2 1 W} CS
10
0000 0 0 0 ^I
P
11
Document No. 2122, Rev. B