cat5261 Catalyst Semiconductor, cat5261 Datasheet - Page 10

• Manufacturer Part Number: cat5261
• Description: Dual Digitally Programmable Potentiometer Dpp? With 256 Taps And Spi Interface
• Manufacturer: Catalyst Semiconductor

CAT5261
Figure 10. Increment/Decrement
INSTRUCTION FORMAT
Read Wiper Control Register (WCR)
Write Wiper Control Register (WCR)
Read Data Register (DR)
Write Data Register (DR)
Read Status (WIP)
Doc. No. MD-2122 Rev. E
¯¯¯ 0 1 0 1
¯¯¯ 0 1 0 1
¯¯¯ 0 1 0 1
CS
¯¯¯ 0 1 0 1 0
CS
CS
¯¯¯ 0 1 0 1 0 0 A
CS
CS
Command
INC/DEC
Issued
DEVICE ADDRESSES
DEVICE ADDRESSES
DEVICE ADDRESSES
SCK
DEVICE ADDRESSES
DEVICE ADDRESSES
R
SI
W
0
0
0
0
0 A
0
0
A
1
1
A
1
1
A
1
A
0
A
A
0
0
A
0
A
0
Timing
1 1 0 0 R
1 0
1 0 1 1 R
1
0
INSTRUCTION
1
0
INSTRUCTION
INSTRUCTION
INSTRUCTION
Limits
INSTRUCTION
0
0
1
Voltage Out
1
1
0
1
1
0
0
0
R
0
R
0
0
0
P
0
1
10
P
1
P
1
0
P
0
P
1
P
0
P
0
7 6 5 4 3 2 1 0
1
P
0
7 6 5 4 3 2 1 0
7
7
0
7
6
0
6
DATA
6
5
0
DATA
5
5
DATA
DATA
4
0
4
DATA
4
t
3
0
WRL
3
3
2
0
Characteristics subject to change without notice
2
2
1
0
1
¯¯¯
¯¯¯
CS
CS
1
W
P
I
0
0
© Catalyst Semiconductor, Inc.
High Voltage
¯¯¯
CS
Write Cycle
¯¯¯
CS
¯¯¯
CS