X9400 Datasheet, PDF (6/22 Pages) Xicor Inc. – Quad Digitally Controlled Potentiometers (XDCP)

X9400
Figure 4. Two-Byte Instruction Sequence
CS
SCK
SI
0 1 0 1 0 0 A1 A0 I3 I2 I1 I0 R1 R0 P1 P0
Figure 5. Three-Byte Instruction Sequence (Write)
CS
SCK
SI
0 1 0 1 0 0 A1 A0
I3 I2 I1 I0 R1 R0 P1 P0
0 0 D5 D4 D3 D2 D1 D0
Figure 6. Three-Byte Instruction Sequence (Read)
CS
SCK
SI
0 1 0 1 0 0 A1 A0
I3 I2 I1 I0 R1 R0 P1 P0
S0
Figure 7. Increment/Decrement Instruction Sequence
Don’t Care
0 0 D5 D4 D3 D2 D1 D0
CS
SCK
SI
0 1 0 1 0 0 A1 A0
I3 I2 I1 I0 0 0 P1 P0
II
ID
D
NN
NE
E
CC
CC
C
12
n1
n
REV 1.1.4 10/11/02
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