CIRCC View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

View to exact match

CIRCC

Consumer Infrared Communications Controller

SMSC -> Microchip 

NAME

D0-D7

A0-A2

nIOR

nIOW

AEN

DRQ

nDACK

TC

IRQ

IOCHRDY

nSRDY

SIZE (BITS)

8

3

1

1

1

1

1

1

1

1

1

Table 4 - HOST Signals

TYPE

DESCRIPTION

Bi-directional

Host Data Bus

Input

CIrCC Register Address Bus

Input

ISA I/O Read

Input

ISA I/O Write

Input

ISA Address Enable

Output

DMA Request

Input

ISA DMA Acknowledge

Input

ISA DMA Terminal Count

Output

Interrupt Request

Output

ISA I/O Channel Ready

Output

ISA Synchronous Ready (Zero Wait State)

6

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