W55P241 Datasheet, PDF (25/32 Pages) List of Unclassifed Manufacturers – I/O device usable with many different microprocessors through SPI interface

W55P241
8. TYPICAL APPLICATION CIRCUIT
10
0.1uF
VDD
VDDSPK
BP00
BT
4.7uF
BP01
BP02
BP07
W588
/RESET
PWM+
PWM-
VSSSPK
VSS
4.7uF
WW555PI2O42141
VDD
VDDIO1
VDDIO2
DMOISO
BP00
|
BP00-BP07 8
/CCSSB
BP07
C^SCL^KK
D^MI^OSI
BP10
|
BP10-BP17
DIS
BP17
VSS
VSSIO1
VSSIO2
BP20
|
BP27
8
BP20-BP27 8
VDD
VDD VDD
330
330
LED …..
VDD
VDD VDD
330
330
LED …..
S1 S2 ^…..
S7 S8
Figure 12 Application circuit
/CS
Master ^CLK
uC _DO
WAKEUP DI
SPI Control Interface
/CS
DIS
CLK
Slave 0
DI
“0”
DO WAKEUP
/CS ^WAKEUP
CLK
Slave 1
DI
DIS
DO
“1”
Figure 13 Connection of Master and Slave
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