X9421WV14IZ Datasheet, PDF (8/20 Pages) Intersil Corporation – Single Voltage Potentiometer

X9421
CS
SCL
SI
S0
0 1 0 1 1 1 0 A0
I3 I2 I1 I0 R1 R0 0 0
DON’T CARE
0 0 D5 D4 D3 D2 D1 D0
FIGURE 6. THREE-BYTE INSTRUCTION SEQUENCE (READ)
CS
SCK
SI
0 1 0 1 1 1 0 A0
I3 I2 I1 I0 0 0 0 0
II
ID
D
NN
NE
E
CC
CC
C
12
n1
n
FIGURE 7. INCREMENT/DECREMENT INSTRUCTION SEQUENCE
SCK
SI
t_WRID
V_W
VOLTAGE OUT
INC/DEC CMD ISSUED
FIGURE 8. INCREMENT/DECREMENT TIMING LIMITS
8
FN8196.4
January 14, 2009