FDC37B72X_07 SMSC [SMSC Corporation], FDC37B72X_07 Datasheet - Page 178

• Manufacturer Part Number: FDC37B72X_07
• Description: 128 Pin Enhanced Super I/O Controller with ACPI Support
• Manufacturer: SMSC [SMSC Corporation]

Serial Port 2, Logical Device 5
Serial Port 2
Mode Register
Default = 0x00
on Vcc POR or
Reset_Drv
IR Option Register
Default = 0x02
on Vcc POR or
Reset_Drv
IR Half Duplex
Timeout
Default = 0x03
on Vcc POR or
Reset_Drv
NAME
Table 71 - Serial Port 2, Logical Device 5 [Logical Device Number = 0x05]
REG INDEX
0xF0 R/W
0xF1 R/W
0xF2
Bit[0] MIDI Mode
= 0
= 1
Bit[1] High Speed
= 0
= 1
Bit[7:2] Reserved, set to zero
= 0
= 1
Bit[1] Transmit Polarity
= 0
= 1
Bit[2] Duplex Select
= 0
= 1
Bits[5:3] IR Mode
= 000
= 001
= 010
= 011
= 1xx
Bit[6] IR Location Mux
= 0
= 1
Bit[7] Reserved, write 0
These bits set the half duplex time-out for the IR port.
This value is 0 to 10msec in 100usec increments.
0= blank during transmit/receive
1= blank during transmit/receive + 100usec
. . .
Bit[0] Receive Polarity
Bits [7:0]
MIDI support disabled (default)
MIDI support enabled
High Speed disabled(default)
High Speed enabled
Active High (Default)
Active Low
Full Duplex (Default)
Standard (Default)
IrDA
ASK-IR
Reserved
Reserved
Use Serial port TXD2 and RXD2 (Default)
Use alternate IRRX2 (pin 81) and IRTX2
(pin 82)
Active High
Active Low (Default)
Half Duplex
179
DEFINITION
STATE
C
C