W83697HFFDC Information Storage Devices, Inc, W83697HFFDC Datasheet - Page 155

• Manufacturer Part Number: W83697HFFDC
• Description: LPC Interface I/o Plus Game/midi Port, Fan Control, Flash ROM I/f
• Manufacturer: Information Storage Devices, Inc

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
Bit 2
Bit 1 - 0 : SUBCLKB1, SUBCLKB0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
: RXW4C
= 0
= 1
: TXW4C
= 0
= 1
= 00 UART B clock source is 1.8462 Mhz (24MHz/13)
= 01 UART B clock source is 2 Mhz (24MHz/12)
= 10 UART B clock source is 24 Mhz (24MHz/1)
= 11 UART B clock source is 14.769 Mhz (24mhz/1.625)
: Reserved.
: IRLOCSEL. IR I/O pins' location select.
= 0
= 1
: IRMODE2. IR function mode selection bit 2.
: IRMODE1. IR function mode selection bit 1
: IRMODE0. IR function mode selection bit 0.
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.
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
IRTX
- 146 -
Publication Release Date: Feb. 2002
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
W83697HF/F
IRRX
Revision 0.70