FDC37B78X View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

FDC37B78X

Enhanced Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR

SMSC -> Microchip 

REGISTER/SIGNAL

Interrupt Enable Register

Interrupt Identification Reg.

FIFO Control

Line Control Reg.

MODEM Control Reg.

Line Status Reg.

MODEM Status Reg.

TXD1, TXD2

INTRPT (RCVR errs)

INTRPT (RCVR Data Ready)

INTRPT (THRE)

OUT2B

RTSB

DTRB

OUT1B

RCVR FIFO

XMIT FIFO

TABLE 36 - RESET FUNCTION

RESET CONTROL

RESET STATE

RESET

All bits low

RESET

Bit 0 is high; Bits 1 - 7 low

RESET

All bits low

RESET

All bits low

RESET

All bits low

RESET

All bits low except 5, 6 high

RESET

Bits 0 - 3 low; Bits 4 - 7 input

RESET

High

RESET/Read LSR

Low

RESET/Read RBR

Low

RESET/ReadIIR/Write THR Low

RESET

High

RESET

High

RESET

High

RESET

High

RESET/

FCR1*FCR0/_FCR0

All Bits Low

RESET/

FCR1*FCR0/_FCR0

All Bits Low

82

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