W83977A Winbond Electronics Corp America, W83977A Datasheet - Page 116
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W83977A
Manufacturer Part Number
W83977A
Description
Winbond I/O
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977A.pdf
(160 pages)
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CRF0 (Default 0x00)
CRF1 (Default 0x00)
Note: The notation is normal mode in the IR function.
00X
010*
011*
100
101
110
111*
IR MODE
Bit 7 - 4: Reserved.
Bit 3: RXW4C
Bit 2: TXW4C
Bit 1 - 0: SUBCLKB1, SUBCLKB0
Bit 7: Reserved.
Bit 6: IRLOCSEL. IR I/O pins' location select.
Bit 5: IRMODE2. IR function mode selection bit 2.
Bit 4: IRMODE1. IR function mode selection bit 1.
Bit 3: IRMODE0. IR function mode selection bit 0.
= 0
= 1
= 0
= 1
= 00
= 01
= 10
= 11
= 0
= 1
Disable
IrDA
IrDA
ASK-IR
ASK-IR
ASK-IR
ASK-IR
IR FUNCTION
No reception delay when SIR is changed from TX mode to RX mode.
Reception delays 4 characters-time (40 bit-time) when SIR is changed from TX mode
to RX mode.
No transmission delay when SIR is changed from RX mode to TX mode.
Transmission delays 4 characters-time (40 bit-time) when SIR is changed from RX
mode to TX mode.
Through SINB/SOUTB.
Through IRRX/IRTX.
UART B clock source is 1.8462 Mhz (24MHz/13)
UART B clock source is 2 Mhz (24MHz/12)
UART B clock source is 24 Mhz (24MHz/1)
UART B clock source is 14.769 Mhz (24MHz/1.625)
tri-state
Active pulse 1.6 S
Active pulse 3/16 bit time
Inverting IRTX/SOUTB pin
Inverting IRTX/SOUTB & 500
KHZ clock
Inverting IRTX/SOUTB
Inverting IRTX/SOUTB & 500
KHZ clock
-105-
IRTX
Publication Release Date: March 1998
high
Demodulation into SINB/IRRX
Demodulation into SINB/IRRX
routed to SINB/IRRX
routed to SINB/IRRX
Demodulation into SINB/IRRX
Demodulation into SINB/IRRX
W83977TF
PRELIMINARY
IRRX
Revision 0.62
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