FDC37C672 View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

FDC37C672

Enhanced Super I/O Controller with Fast IR

SMSC -> Microchip 

Enhanced Super I/O Controller with Fast IR

Datasheet

Table 19.10 - Serial Port 2, Logical Device 5 [Logical Device Number = 0x05]

NAME

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

REG INDEX

0xF0 R/W

0xF1 R/W

0xF2

DEFINITION

Bit[0] MIDI Mode

= 0 MIDI support disabled (default)

= 1 MIDI support enabled

Bit[1] High Speed

= 0 High Speed disabled(default)

= 1 High Speed enabled

Bit[7:2] Reserved, set to zero

Bit[0] Receive Polarity

= 0 Active High (Default)

= 1 Active Low

Bit[1] Transmit Polarity

= 0 Active High

= 1 Active Low (Default)

Bit[2] Duplex Select

= 0 Full Duplex (Default)

= 1 Half Duplex

Bits[5:3] IR Mode

= 000 Standard (Default)

= 001 IrDA

= 010 ASK-IR

= 011 Reserved

= 1xx Reserved

Bit[6] IR Location Mux

= 0 Use Serial port TX2 and RX2 (Default)

= 1 Use alternate IRRX (pin 61) and IRTX (pin 62)

Bit[7] Reserved, write 0.

Bits [7:0]

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

...

STATE

C

C

SMSC FDC37C672

Page 136

DATASHEET

Rev. 10-29-03

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