F81866A Datasheet, PDF (205/210 Pages) Feature Integration Technology Inc. – 6 UARTs Super IO With 128 Bytes FIFO and Power

R55 1K
VCORE
R57 20K
+5VSB
R58 4.7K
R59 20K
+5V
R60 4.7K
+12V
R61 20K
R63 2K
VIN1
C21
100p
VIN2
C23
100p
VIN3
C25
100p
VIN4
C26
100p
VOLTAGE SENSING.
The best voltage input level is about 1V.
VCC3V
R69
4.7K
OVT#
OVT# PULL-UP
D1+
D1+
D+
C20 3300P
D-
D-
D2+
D2+
C24 3300P
D-
DIODE SENSING CIRCUIT
Q9
PNP
3906
from CPU
for
SYSTEM
VREF
D1+
VREF
D2+
R62 10K 1%
RT1
10K 1%
THERMISTOR
(for system)
R64 10K 1%
RT2
10K 1%
THERMISTOR
(for system)
THERMISTOR SENSING CIRCUIT
Temperature Sensing
F81866A
COPEN#
VBAT
R56
2M
2
C22
1000P
SW1
1
CASE OPEN CIRCUIT
LED_VCC
VSB3V
R66
4.7K
VSB5V
R65
330
Q10
NPN
P_LED
D11
LED
LED_VSB
VSB3V
R68
4.7K
VSB5V
R67
330
Q11
NPN
SUS_LED
D12
LED
LED
205
Title
Feature Integration Technology Inc.
Size Document Number
B
F81866A
Rev
<Rev Code>
Date:
Friday , October 07, 2011
Sheet
4
of 8
Jan, 2012
V0. 12P