F81867 Datasheet, PDF (308/315 Pages) Feature Integration Technology Inc. – 6 UARTs μSuper IO With 128 Bytes FIFO and Power Saving Functions

RI1#
DTR1#
CTS1#
SOUT1
RTS1#
SIN1
DSR1#
DCD1#
VCC5V
RI2#
DTR2#
CTS2#
SOUT2
RTS2#
SIN2
DSR2#
DCD2#
VCC5V
RI3#
DTR3#
CTS3#
SOUT3
RTS3#
SIN3
DSR3#
DCD3#
VCC5V
U2
11 _GND
-12V ¹⁰
12
13
14
15
16
RY5
DA3
RY4
DA2
17
18
19
DA1
RY3
RY2
RY1
RA5
DY3
RA4
DY2
9
8
7
6
5
DY1
RA3
RA2
RA1
4
3
2
20 _+5V
+12V ¹
GD75323 (20-SSOP)
COM1
U4
11
GND
10
-12V
12
13
14
15
RY5
DA3
RY4
16
17
18
19
DA2
DA1
RY3
RY2
RY1
RA5
DY3
RA4
9
8
7
6
DY2
DY1
RA3
RA2
5
4
3
2
RA1
20 _+5V
+12V ¹
GD75323 (20-SSOP)
COM2
RIN1
U6
11 _GND
-12V ¹⁰
12
13
14
15
16
RY5
DA3
RY4
DA2
17
18
19
DA1
RY3
RY2
RY1
9
RA5
DY3
RA4
DY2
8
7
6
5
DY1
RA3
RA2
RA1
4
3
2
20 _+5V
+12V ¹
GD75323 (20-SSOP)
COM3
CHIPSET_RI1#
VSB3V
R15
8.2K
Q1
NPN
C7
1000P
-12V
+12V
P1
5
9
4
8
3
7
2
6
1
UART DB9
RI4#
DTR4#
CTS4#
SOUT4
RTS4#
SIN4
DSR4#
DCD4#
VCC5V
-12V
+12V
P3
5
9
4
8
3
7
2
6
1
UART DB9
TRK0#/RI5#
WPT#/DTR5#
INDEX#/CTS5#
SOUT5
RTS5#
SIN5
DSKCHG#/DSR5#
RDATA#/DCD5#
VCC5V
-12V
+12V
P5
5
9
4
8
3
7
2
6
1
UART DB9
DIR#/RI6#
HDSEL#/DTR6#
STEP#/CTS6#
DRVA#/SOUT6
DENSEL#/RTS6#
MOA#/SIN6
WGATE#/DSR6#
WDATA#/DCD6#
VCC5V
R16 4.7K
R17
2.2K
D4
1N4148
RIN1
U3
11 _GND
-12V ¹⁰
12
13
14
15
16
RY5
DA3
RY4
DA2
17
18
19
DA1
RY3
RY2
RY1
RA5
DY3
RA4
DY2
9
8
7
6
5
DY1
RA3
RA2
RA1
4
3
2
20 _+5V
+12V ¹
GD75323 (20-SSOP)
COM4
U5
11
GND
10
-12V
12
13
14
15
RY5
DA3
RY4
16
17
18
19
DA2
DA1
RY3
RY2
RY1
RA5
DY3
RA4
9
8
7
6
DY2
DY1
RA3
RA2
5
4
3
2
RA1
20 _+5V
+12V ¹
GD75323 (20-SSOP)
COM5
U7
11 _GND
-12V ¹⁰
12
13
14
15
16
RY5
DA3
RY4
DA2
17
18
19
DA1
RY3
RY2
RY1
9
RA5
DY3
RA4
DY2
8
7
6
5
DY1
RA3
RA2
RA1
4
3
2
20 _+5V
+12V ¹
GD75323 (20-SSOP)
COM6
Wake up on ring for serial port circuit.
308
-12V
+12V
P2
5
9
4
8
3
7
2
6
1
UART DB9
-12V
+12V
P4
5
9
4
8
3
7
2
6
1
UART DB9
-12V
+12V
P6
5
9
4
8
3
7
2
6
1
UART DB9
F81867
Title
Feature Integration Technology Inc.
Size Document Number
B
F81867
Rev
<Rev Code>
Date:
Thursday , June 23, 2011
Sheet
2
of 8
Dec, 2011
V0.12P