X9460 Datasheet, PDF (8/16 Pages) Intersil Corporation – Dual Audio Control Digitally Controlled Potentiometer

X9460
SCL
SDA
0
101 00
11
00 0
0 00
WW W W W
WW W W W
S 0 1 0 1 0 A1 A0 R/W A I3 I2 I1 I0 0 ZD RT LT A _{0 0 0} C C C C C _{A 0 0 0} C C C C C _{A S}
T
C
C
RR R R RC
RR R R R _CT
A
K
K
43 2 1 0K
4 3 2 1 0 _KO
R _{DEVICE TYPE}
T _IDENTIFIER
LEFT POT
RIGHT POT
P
INSTRUCTION BYTE
DATA BYTE
DATA BYTE
FIGURE 6. FOUR-BYTE COMMAND SEQUENCE (WRITE)
SCL
SDA
0
00 100
S 0 1 0 1 0 A1 A0 R/W A I3 I2 I1 I0 0 ZD RT LT A I I
ID
T
C
CNN
NE
A
K
KCC
CC
R DEVICE TYPE
12
n1
T
IDENTIFIER
INSTRUCTION BYTE
INC and DEC ACTIVE
FIGURE 7. INCREMENT/DECREMENT COMMAND SEQUENCE (WRITE)
DS
ET
CO
nP
INC/DEC
CMD
ISSUED
SCL
SD A
RW
t _WRID
VOLTAGE OUT
Wiper can move within 10µs after the falling edge of SCL
FIGURE 8. INCREMENT/DECREMENT TIMING LIMITS
8
FN8203.2
October 17, 2005