cat5221 Catalyst Semiconductor, cat5221 Datasheet - Page 11

• Manufacturer Part Number: cat5221
• Description: Dual Digitally Programmable Potentiometers Dpp? With 64 Taps And I?c Interface
• Manufacturer: Catalyst Semiconductor

Figure 10. Increment/Decrement
INSTRUCTION FORMAT
Read Wiper Control Register (WCR)
Write Wiper Control Register (WCR)
Read Data Register (DR)
Write Data Register (DR)
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
A
R
A
R
S
A
R
S
A
R
S
T
T
S
T
T
T
T
T
T
Command
INC/DEC
0 1 0 1 A3 A2 A1 A0
0 1 0 1 A3 A2 A1 A0
0 1 0 1 A3 A2 A1 A0
0 1 0 1 A3 A2 A1 A0
Issued
DEVICE ADDRESSES
DEVICE ADDRESSES
DEVICE ADDRESSES
DEVICE ADDRESSES
SCL
SDA
R
W
Timing
A
C
K
A
C
K
A
C
K
A
C
K
1 0 1 1 0 P0 R1 R0
1 1 0 0 0 P0 R1 R0
1 0 0 1 0 P0 0 0
1 0 1 0 0 P0 0 0
Limits
Voltage Out
INSTRUCTION
INSTRUCTION
INSTRUCTION
INSTRUCTION
11
A
C
K
A
C
K
A
C
K
A
C
K
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
t
WRID
DATA
DATA
DATA
DATA
Doc. No. MD-2113 Rev. K
CAT5221
A
C
K
A
C
K
A
C
K
A
C
K
S
O
P
S
O
P
O
O
T
T
S
T
P
S
T
P