F81866A
12.Application Circuit
PS_ON#
PWROK
PWROK
S3#
RSMRST#
RSMRST#
VBAT
PWSOUT#
PWSIN#
ATXPG_IN
ALERT#
OVT#
ATXPG_IN
COPEN#
DPWROK
S5#
VCC5V
PME#
ATXPG_IN
R1
0
5VA
WPT#
INDEX#
TRK0#
RDATA#
DSKCHG#
R106 10
D-
D2+
D1+
VREF
VIN4
VIN3
VIN2
VIN1
PECI
BEEP
WDTRST#
GPIO14
IRRX
C81
R2
R3
R4
R5
R6
1K
1K
1K
1K
1K
Decouple ATX
power supply
noise.
GPIO14
0.1U
IRTX
LED_VCC
LED_VSB
J1
DENSEL#
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
2
4
6
8
1
3
5
7
2
4
6
C56
INDEX#
MOA#
8
0.1U
10
12
14
16
18
20
22
24
26
28
30
32
34
9
10
12
14
16
18
20
22
24
26
28
30
32
34
11
13
15
17
19
21
23
25
27
29
31
33
DRVA#
DIR#
STEP#
WDATA#
WGATE#
TRK0#
U1
WPT#
KCLK
RDATA#
HDSEL#
DSKCHG#
KDATA
MCLK
MDATA
64
KCLK
KDATA
MCLK/SDA
MDATA/SCL
I_VSB3V
97
98
99
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
3VA
VSB3V
3VSB
FANIN1
FANCTL1/PWM_DC1
FANIN2
FANCTL2/PWM_DC2
FANIN3/SLCT
R7
0_X
DIODE
FANIN1
FANCTL1
FANIN2
FANCTL2
SLCT
PE
BUSY
ACK#
SLIN#
INIT#
ERR#
AFD#
STB#
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
VCC3V
HEADER 17X2
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
D1
RTS5#
SIN5
GPIO07/RTS5#
GPIO06/SIN5
GPIO05/SOUT5
SLP_SUS#/GPIO04
SUS_ACK#/GPIO03
SUS_WARN#/GPIO02
ERP_CTRL1#/GPIO01
ERP_CTRL0#/GPIO00
SIN4/GPIO47
SOUT4/GPIO46
DSR4#/GPIO45
RTS4#/GPIO44
DTR4#/GPIO43
CTS4#/GPIO42
RI4#/GPIO41
FLOPPY
SOUT5
SLP_SUS#
SUS_ACK#
SUS_WARN#
ERP_CTRL1#
ERP_CTRL0#
SIN4
SOUT4
DSR4#
RTS4#
DTR4#
CTS4#
RI4#
DCD4#
SIN3
SOUT3
DSR3#
RTS3#
DTR3#
CTS3#
RI3#
DCD3#
GA20
KBRST#
CLKIN
GPIO70/PE/FANCTL3/PWM_DC3
GPIO71/BUSY
GPIO72/ACK#
GPIO73/SLIN#
GPIO74/INIT#
GPIO75/ERR#
GPIO76/AFD#
GPIO77/STB#
GPIO80/PD0
GPIO81/PD1
GPIO82/PD2
GPIO83/PD3
GPIO84/PD4
GPIO85/PD5
GPIO86/PD6
GPIO87/PD7
3VCC
DCD1#
RI1#
CTS1#
DTR1#/FAN_40_100
RTS1#/Conf ig4E_2E
DSR1#
SOUT1/I2C_ADDR
SIN1
SOUT1
RTS1#
DTR1#
GPIO14
DTR2#
F81866AD
DCD4#/GPIO40
SIN3/GPIO37
SOUT3/GPIO36
DSR3#/GPIO35
RTS3#/GPIO34
DTR3#/GPIO33
CTS3#/GPIO32
RI3#/GPIO31
VSB3VVCC3V
R10 R11 R12 R13 R14
R8
R9
560
560
560
560
560
DCD1#
RI1#
4.7K 4.7K
CTS1#
DTR1#
RTS1#
DSR1#
SOUT1
SIN1
DTR1#
RTS1#
RSMRST#
PWROK
DCD3#/GPIO30
GA20
SOUT1
KBRST#
CLKIN
RSMRST# AND PWROK PULL UP
POWER TRIP
R
GND
R10
R11
R12
R13
R14
OFF: ALARM mode
OFF: ATX MODE
OFF: FAN 40%
OFF: CONFIG 4E
OFF: 0x5C
ON: FORCE mode
ON: AT MODE
ON: FAN 100%
ON: CONFIG 2E
ON: 0x5A
C1
0.1U
F81866
VCC3V
VCC3V
VSB3V
VSB5V
VBAT
C6
DCD2#
RI2#
CTS2#
DTR2#
PCICLK
VCC3V
LAD3
LAD2
LAD1
VBAT
D2
D3
DIODE
DIODE
C2
C3
C4
C5
VBAT
0.1U
0.1U
0.1U
0.1U
0.1U
VSB3V
RTS2#
DSR2#
LAD0
SOUT2
SIN2
LFRAME#
SERIRQ
LDRQ#
LRESET#
DENSEL#
MOA#
DRVA#
WDATA#
DIR#
STEP#
HDSEL#
WGATE#
(PLACE THE CAPCITOR CLOSE TO IC)
DENSEL#/RTS6#
MOA#/SIN6
DRVA#/SOUT6
WDATA#/DCD6#
DIR#/RI6#
STEP#/CTS6#
HDSEL#/DTR6#
WGATE#/DSR6#
DSKCHG#
WPT#
INDEX#
TRK0#
DSKCHG#/DSR5#
WPT#/DTR5#
INDEX#/CTS5#
TRK0#/RI5#
RDATA#
RDATA#/DCD5#
Title
Feature Integration Technology Inc.
Size
Document Number
Rev
<RevCode>
CustomF81866AD
Date:
Tuesday, Nov ember 08, 2011
Sheet
1
of
8
202
Jan, 2012
V0. 12P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
