isl22414 Intersil Corporation, isl22414 Datasheet - Page 14

• Manufacturer Part Number: isl22414
• Description: Single Digitally Controlled Potentiometer Xdcp? , Low Noise, Low Power, Spi? Bus, 256 Taps
• Manufacturer: Intersil Corporation

SCK
SDO
µC
SDI
CS
MOSI
MISO
SCK
SDO 0
SDO 1
SDO 2
CS
SCK
SDI
CS
INSTRUCTION
14
1
CS
SCK
SDI
2
FIGURE 19. DAISY CHAIN WRITE SEQUENCE OF N = 3 DCP
DCP0
WR
SDO
3
16 CLKLS
FIGURE 18. DAISY CHAIN CONFIGURATION
D C P2
FIGURE 20. TWO BYTE OPERATION
4
5
CS
SCK
SDI
ADDR
ISL22414
DCP1
6
SDO
7
WR
WR
16 CLKS
N DCP IN A CHAIN
8
D C P1
D C P2
9
CS
SCK
SDI
DCP2
10
SDO
11
WR
WR
WR
DATA OUT
DATA IN
16 CLKS
12
D C P2
D C P1
D C P0
13
14
CS
SCK
SDI
15
DCP(N-1)
SDO
16
July 17, 2007
FN6424.0