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

NAME

UART1 FIFO Control

Shadow

UART2 FIFO Control

Shadow

REG INDEX

0xC3

0xC4

DEFINITION

Bit[0] FIFO Enable

Bit[1] RCVR FIFO Reset

Bit[2] XMIT FIFO Reset

Bit[3] DMA Mode Select

Bit[5:4] Reserved

Bit[6] RCVR Trigger (LSB)

Bit[7] RCVR Trigger (MSB)

Bit[0] FIFO Enable

Bit[1] RCVR FIFO Reset

Bit[2] XMIT FIFO Reset

Bit[3] DMA Mode Select

Bit[5:4] Reserved

Bit[6] RCVR Trigger (LSB)

Bit[7] RCVR Trigger (MSB)

STATE

C

C

PIN

NAME

nRTS2

Table 19.13 - nRTS MUXING

MUX CONTROLS

16 BIT ADDRESS QUAL.

(CR24.6)

SERIRQSEL

(LD8:CRC0.2)

SELECTED FUNCTION

0

1

nRTS2 (default)

0

0

IRQ5

1

1

SA12

1

0

Reserved

STATE OF

UNCONNECTED

INPUTS

-

-

0

-

PIN

NAME

nCTS2

Table 19.14 - nCTS2 MUXING

MUX CONTROLS

16 BIT ADDRESS

QUAL. (CR24.6)

SERIRQSEL

(LD8:CRC0.2)

SELECTED FUNCTION

0

1

nCTS2 (default)

0

0

IRQ6

1

1

SA13

1

0

Reserved

STATE OF

UNCONNECTED

INPUTS

1

-

0

-

PIN

NAME

nDTR2

Table 19.15 - nDTR2 MUXING

MUX CONTROLS

16 BIT ADDRESS

QUAL. (CR24.6)

SERIRQSEL

(LD8:CRC0.2)

SELECTED FUNCTION

0

1

nDTR2 (default)

0

0

IRQ7

1

1

SA14

1

0

Reserved

STATE OF

UNCONNECTED

INPUTS

-

-

0

-

SMSC FDC37C672

Page 139

DATASHEET

Rev. 10-29-03

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