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IP178C/IP178C LF/IP178CH/IP178CH LF
Datasheet
The differences in application circuit between IP178B and IP178C/IP178CH
IP178B
IP178C/IP178CH
A. Dumb switch
A. Dumb switch (EXTMII_EN=0, BI_COLOR=0)
VCC_O
REGOUT
AVCC=DVCC
LED
178B
2.3v
34063
RESETB
R
2.3v
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June 21, 2007
Copyright © 2004, IC Plus Corp.
IP178Cx-DS-R12
2.5v
VCC_O
REGOUT
PNP
AVCC=DVCC
LED
178C
34063
2.5v
RESETB
1.8v
R
Note: R is a pull up resistor for configuration. It
should be connected to VCC_O.
B. Dumb switch (EXTMII_EN=0, BI_COLOR=1)
NA
2.5v
VCC_O
REGOUT
PNP
AVCC=DVCC
LED
178C
34063
2.5v
R
RESETB
1.8v
LED
Note: R is a pull up resistor for configuration. It
should be connected to VCC_O.