cat5251 Catalyst Semiconductor, cat5251 Datasheet - Page 11

• Manufacturer Part Number: cat5251
• Description: Quad Digitally Programmable Potentiometer Dpp? With 256 Taps And Spi Interface
• Manufacturer: Catalyst Semiconductor

Global Transfer Data Register (DR) to Wiper Control Register (WCR)
Global Transfer Wiper Control Register (WCR) to Data Register (DR)
Transfer Wiper Control Register (WCR) to Data Register (DR)
Transfer Data Register (DR) to Wiper Control Register (WCR)
Increment (I)/Decrement (D) Wiper Control Register (WCR)
Notes:
(1) Any write or transfer to the Non-volatile Data Registers is followed by a high voltage cycle after a STOP has been issued.
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
¯¯¯ 0 1 0 1 0
¯¯¯ 0 1 0 1 0 0 A
¯¯¯ 0 1 0 1 0 0 A
¯¯¯ 0 1 0 1 0
¯¯¯ 0 1 0 1 0
CS
CS
CS
CS
CS
DEVICE ADDRESSES
DEVICE ADDRESSES
DEVICE ADDRESSES
DEVICE ADDRESSES
DEVICE ADDRESSES
0
0
0
1
1
A
A
A
1
1
1
A
A
0
0
A
A
0
0
A
0
1 1 1 0 R
1 0 0 0 R
0 0 0 1 R
1 1 0 1 R
0 0 1 0 0
INSTRUCTION
INSTRUCTION
INSTRUCTION
INSTRUCTION
INSTRUCTION
1
1
R
R
0
1
1
0
R
R
P
0
0
0
1
0 P
11
P
P
0
0
0
1
1
¯¯¯
¯¯¯
P
CS
CS
0
P
0
0
I/D I/D
¯¯¯
¯¯¯
CS
CS
High Voltage
High Voltage
Write Cycle
Write Cycle
(1)
DATA
. . .
I/D I/D
¯¯¯
CS
Doc. No. MD-2017 Rev. F
CAT5251