x9268us24c7979 Intersil Corporation, x9268us24c7979 Datasheet - Page 12

• Manufacturer Part Number: x9268us24c7979
• Description: Dual Digitally Controlled Xdcp? Potentiometers
• Manufacturer: Intersil Corporation

Figure 3. Two-Byte Instruction Sequence
Figure 4. Three-Byte Instruction Sequence
Figure 5. Increment/Decrement Instruction Sequence
Figure 6. Increment/Decrement Timing Limits
SCL
SDA
SCL
SDA
INC/DEC
R
Issued
W
CMD
SCL
SDA
S
T
A
R
T
S
T
A
R
T
ID3 ID2 ID1 ID0
ID3 ID2 ID1 ID0
0
0
Device ID
SCL
SDA
Device ID
1
1
0
0
S
T
A
R
T
1
ID3 ID2 ID1 ID0
0
1
A3
12
Device ID
1
A3
A2
0
Internal
Address
Internal
Address
A2 A1 A0
A1
1
A3
A0 A
C
K
A2
Internal
Address
I3
A
C
K
A1
Voltage Out
Instruction
Opcode
I3
I2
A0
Instruction
Opcode
I1 I0
I2
A
C
K
X9268
I3
I1
Instruction
Opcode
RB RA
Register
Address
I2
I0
I1
Register
Address
RB
I0
Address
0
0
Pot/WCR
RA 0
P0 A
Register
Address
RB RA 0
Pot/WCR
0
Address
C
K
P0 A
D7 D6 D5 D4 D3 D2 D1 D0
C
K
Pot/WCR
Address
P0
t
N
C
1
Data Register D[7:0]
WRID
I
A
C
K
N
C
2
I
WCR[7:0]
S
T
O
P
or
N
C
n
I
D
E
C
1
D
E
C
n
August 29, 2006
A
C
K
O
S
P
T
S
T
O
P
FN8172.4