ISL23415_11 Datasheet, PDF (17/20 Pages) Intersil Corporation – Single, Low Voltage Digitally Controlled Potentiometer (XDCP™)

CS
SCK
SDI
SDO 0
SDO 1
SDO 2
ISL23415
16 CLKLS
WR D C P2
16 CLKS
WR D C P1
WR D C P2
16 CLKS
WR D C P0
WR D C P1
WR D C P2
FIGURE 30. DAISY CHAIN WRITE SEQUENCE OF N = 3 DCP
CS
SCK
SDI
SDO
CS
SCK
SDI
SDO
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
INSTRUCTION
ADDR
DATA IN
DATA OUT
FIGURE 31. TWO BYTE READ INSTRUCTION
16 CLKS
RD DCP2
16 CLKS
RD DCP1
16 CLKS
RD DCP0
16 CLKS
NOP
16 CLKS
NOP
16 CLKS
NOP
DCP2 OUT
DCP1 OUT
DCP0 OUT
FIGURE 32. DAISY CHAIN READ SEQUENCE OF N = 3 DCP
17
FN7780.1
August 16, 2011