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參數資料
型號: W83787F
廠商: WINBOND ELECTRONICS CORP
英文描述: WINBOND I/O WITH SERIAL-INFRARED SUPPORT
中文描述: 華邦的I /串行O型紅外線支持
文件頁數: 77/123頁
文件大小: 1751K
代理商: W83787F
W83787IF
Publication ReleaseDate:Sep 1995
- 77 -
Revision A1
SIRRX1, SIRRX0 (Bit 5, 4):
These two bits select IRRX in the IR function.
00
IRRX2 (Pin 3, PDCIN)
01
IRRX1 (Pin 42, SINB)
10
IRRX4 (Pin 94, nCS0)
11
IRRX3 (Pin 1, nRESIDE)
During the power-on reset, the default value is 00.
.
Half/Full DUPLEX (Bit 3):
This bit select IR function operating in Half or Full Duplex mode.
0
The IR function is Full Duplex.
1
The IR function is Half Duplex.
IRMODE2, IRMODE1, IRMODE0 (Bit 2, 1, 0):
These three bits select IR operation mode.
IR MODE
00X
010*
011*
100
101
110
111*
IR Function
Disable
IrDA
IrDA
ASK-IR
ASK-IR
ASK-IR
ASK-IR
IRTX
tri-state
IRRX
high
Active pulse 1.6 us
Active pulse 3/16 bit time
Inverting IRTX pin
Inverting IRTX & 500KHZ clock
Inverting IRTX
Inverting IRTX & 500KHZ clock
Demodulation into SINB
Demodulation into SINB
routed to SINB
routed to SINB
Demodulation into SINB
Demodulation into SINB
Note: The notation is normal mode in the IR function.
The SIR schematic diagram controlled the register CRC and CRD is shown as follows.
1
0
1
MUX 0
1
0
01
00
10
11
11,00
01
10
1 MUX
0
1 MUX
0
1
0 MUX
IRDA Mod.
3/16
IRDA Mod.
Mod1.6u
IRDA
IRMODE0
(CRD.bit0)
IRMODE2
(CRD.bit2)
URIRSEL
(CRC,bit3)
Transmission
Time Frame
16550A
SIN
UART2
SOUT
RX2INV
(CRC.bit1)
URIRSEL
(CRC.bit3)
1
0 MUX
SIRRX1~0
SIN2
IRMODE1
(CRD.bit1)
(CRD.bit3)
HUPLX
IRMODE0
(CRD.bit0)
500KHZ
MUX
MUX
IRMODE2
(CRD.bit2)
IRMODE2,1=00
IRTX2
IRTX1
IRTX3
PDBDIR
SOUT2
NCS1
IRRX1
IRRX2
IRRX4
IRRX3
PDCIN
NCS0
NRSTIDE
SIRTX1~0
CRD.bit7,6
TX2INV
CRC.bit0
MUX
MUX
IR-DA
Demodulation
Demodulation
(default)
(default)
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