IRCC2.0 datasheet(7/87 Pages) SMSC

Il numero della parte	IRCC2.0

Spiegazioni elettronici	Infrared Communications Controller

PDF	87 Pages

Scroll/Zoom	100%

Produttore elettronici	SMSC [SMSC Corporation]

Homepage	http://www.smsc.com

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Table 7 - IrCC 2.0-Specific Chip-Level Controls

NAME

SIZE (BITS)

TYPE

DESCRIPTION

DMA Channel

Input

ISA DMA Channel Number

IRQ Level

Input

ISA Interrupt Level

Software Select A

Input

Software Programmable Register A

Software Select B

Input

Software Programmable Register B

DMA Channel

4 bit bus from a chip-level configuration register,

used to identify the current IrCC 2.0 DMA

channel number. The value appears in the upper

nibble of IrCC 2.0 Register Block Three, Address

Four.

IRQ Level

4 bit bus from a chip-level configuration register,

used to identify the current IrCC 2.0 IRQ level.

The value appears in the lower nibble of IrCC 2.0

Software Select A/B

The 8 bit Software Select A and Software Select

B inputs come from software-only programmable

chip-level configuration controls. The values on

these buses appear in IrCC 2.0 Register Block

Three, Addresses Five and Six.

IRCC2.0 Scheda tecnica(PDF) 7 Page - SMSC Corporation