W83697UG Nuvoton Technology Corporation of America, W83697UG Datasheet - Page 37

• Manufacturer Part Number: W83697UG
• Description: IC LPC SUPER I/O 128-PQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83697UG

• Applications: PC's, PDA's
• Interface: LPC
• Voltage - Supply: 3.3V, 5V
• Package / Case: 128-XFQFN
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Supplier Unconfirmed, Lead free / RoHS Compliant

CRF1 (Default 0x00)
Note: The notation is normal mode in the IR function.
Bit 2:
Bit [1:0]: SUBCLKB1, SUBCLKB0
Bit 7:
Bit 6:
Bit 5:
Bit 4:
Bit 3:
Bit 2:
IR MODE
010*
011*
111*
00X
100
101
110
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.
HDUPLX. IR half/full duplex function select.
0
1
TXW4C
0
1
00
01
10
11
IR FUNCTION
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.
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)
Through SINB/SOUTB.
Through IRRX/IRTX.
The IR function is Full Duplex.
The IR function is Half Duplex.
Disable
ASK-IR
ASK-IR
ASK-IR
ASK-IR
IrDA
IrDA
tri-state
Active pulse 1.6 μ 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
- 37 -
W83697UF/W83697UG
Publication Release Date: May 26, 2005
Demodulation into SINB/IRRX
high
Demodulation into SINB/IRRX
routed to SINB/IRRX
routed to SINB/IRRX
Demodulation into SINB/IRRX
Demodulation into SINB/IRRX
IRRX
Revision A1