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F81216AD Datasheet, PDF (42/43 Pages) Feature Integration Technology Inc. – LPC to 4 UART + 9-bit Protocol
10. Application Circuit
PCIRST#
WDT_OUT#
LAD3
LAD2
LAD1
LAD0
PCICLK
LFRAME#
SERIRQ
CLK24IN
VCC3V
R1
4.7K
RTS1#
DTR1#
SOUT1
RI1#
CTS1#
DSR1#
SIN1
DCD1#
IRRX
IRTX
U1
PIN_38
PIN_37
PIN_1
1
PIN_2
2
PIN_3 3
PIN_4
4
PIN_5
5
PIN_6
6
PIN_7
7
PIN_8
8
PIN_9
9
PIN_10
10
PIN_11
PIN_12 VCC3V
11
12
C2
PCIRST#
WDT_OUT#
GND
LAD3
LAD2
LAD1
LAD0
LCLK
LFRAM#
SERIRQ
VCC
CLKIN
0.1U
216AD
F81216D
SOUT2
SIN2
DTR2#
RTS2#
36
35
34
33
32
DSR2#
CTS2#
VCC
GND
31
30
29
28
RI3#
DCD3#
SOUT3
SIN3
27
26
25
PIN_36
PIN_35
PIN_34
PIN_33
PIN_32
PIN_31
PIN_30
PIN_29
PIN_28
PIN_27
PIN_26
PIN_25
DCD2#
SIN2
DSR2#
CTS2#
RI2#
SOUT2
DTR2#
RTS2#
VCC3V
C1
0.1U
RTS4#
DTR4#
SOUT4
RI4#
CTS4#
DSR4#
SIN4
DCD4#
DCD3#
SIN3
DSR3#
CTS3#
RI3#
SOUT3
DTR3#
RTS3#
(Power On Setting Pin)
VCC3V
R2 R3 R4 R5 R6 R7 R8 R9 R10 R11
4.7K 4.7K 4.7K 4.7K 4.7K 4.7K 4.7K 4.7K 4.7K 4.7K
R12 R13 R14 R15 R16 R17 R18 R19 R20 R21
1k
1k 1k 1k 1k 1k 1k 1k 1k 1k
R2 on and R12 off: UART 4 addr:0x2e8 IRQ9; off:UART 4 disabled.
R5 on and R15 off: UART 3 addr:0x3e8 IRQ5; off:UART 3 disabled.
R8 on and R18 off: UART 2 addr:0x2f8 irq4; R7 on, R17 off and R8 off, R18
on : UART 2 addr:0x2e0 IRQ4; R7 off, R17 on and R8 off, R18 on:UART 2
disabled.
R11 on and R21 off: UART 1 addr:0x3f8 irq3; R10 on, R20 off and R11 off, R21
on: UART 1 addr:0x3e0 IRQ3; R10 off, R20 on and R11 off, R21 on:UART 1
disabled.
R4 on and R14 off: Watch Dog Timer enabled and setting to 10 second when the
clock input is 24Mhz. If the clock input is 48Mhz , the timer is setting to
5 second. off :disabled.
R16 is 0 when R6=1, R16 is 1 when R6=0.
R13 is 0 when R3=1, R13 is 1 when R3=0.
R19 is 0 when R9=1, R19 is 1 when R9=0.
R6
R3
R9
Address
Entry Key On:1
0
0
0
0x4e/0x4f
0x77
Off:0
0
0
1
0x2e/0x2f
0x77
0
1
0
0x4e/0x4f
0xa0
0
1
1
0x2e/0x2f
0xa0
1
0
0
0x4e/0x4f
0x87
1
0
1
0x2e/0x2f
0x87
1
1
0
0x4e/0x4f
0x67
1
1
1
0x2e/0x2f
0x67
Title
Feature Integration Technology Inc.
Size Document Number
B
F81216D
Rev
0.21
Date:
Tuesday , January 10, 2006
Sheet
1
of 2