X9221A Datasheet, PDF (6/15 Pages) Intersil Corporation – 64 Taps, 2-Wire Serial Bus

Figure 4. Three-Byte Command Sequence
X9221A
SCL
SDA
S 0 1 0 1 A3 A2 A1 A0 A I3 I2 I1 I0 0 P0 R1 R0 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 Command Sequined
e
SCL
SDA
XX
S 0 1 0 1 A3 A2 A1 A0 A I3 I2 I1 I0 0 P0 R1 R0 A I I
T
C
CN _N
A
K
KC _C
R
12
T
Figure 6. Increment/Decrement Timing Limits
ID
NE
CC
n1
DS
ET
CO
nP
INC/DEC
CMD
Issued
SCL
t_CLWV
SDA
V_W/R_W
Voltage Out
6
FN8163.1
September 14, 2005