X9418 Datasheet, PDF (6/21 Pages) Xicor Inc. – Dual Digitally Controlled Potentiometers

Figure 4. Three-Byte Instruction Sequence
X9418
SCL
SDA
S 0 1 0 1 A3 A2 A1 A0 A I3 I2 I1 I0 R1 R0 0 P0 A 0 0 D5 D4 D3 D2 D1 D0 A S
T
C
C
CT
A
K
K
KO
R
P
T
Figure 5. Increment/Decrement Instruction Sequence
SCL
SDA
XX
S 0 1 0 1 A3 A2 A1 A0 A I3 I2 I1 I0 R1 R0 0 P0 A I I
T
C
CN N
A
K
KCC
R
12
T
ID
NE
CC
n1
DS
ET
CO
nP
Figure 6. Increment/Decrement Timing Limits
INC/DEC
CMD
Issued
SCL
t_WRID
SDA
V_W/R_W
Voltage Out
6
FN8194.0
March 7, 2005