SAA7780 datasheet(64/70 Pages) PHILIPS

Part #	SAA7780

Description	ThunderBird Q3D PCI Audio Accelerator

PDF	70 Pages

Scroll/Zoom	100%

Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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64 / 70 page

ThunderBird Q3D PCI Audio

SAA7780

Accelerator

Philips Semiconductors

Product Specification

1999 Sep 30

FIGURE 6

Multimedia Timer Block Diagram

Multimedia Timer Register Definition

There are five registers that control the multimedia timer. These registers are the timer control register, timer status,

and timer count registers. The timer control register resides in PCI configuration space. The remainder of the timer

registers are in I/O space.

Multimedia Timer PCI Configuration Registers

Multimedia Timer Configuration Register 0 - TIMRCFG0 (RW/RO)

PCI CFG 0

Offset 64h

FSTCLK

TMRRST

POR Value

Bit

Name

R/W

Function

7:3

Reserved. These bits return zeros.

PS BUS

CLOCK

DIVIDE

LOGIC

OSC

CTL

INTERNAL

PS BUS

INTERFACE

INTERRUPT

GENERATION

LOGIC

20 BIT - 1uS

RESOLUTION

UP COUNTER

CTL

COUNT

INTR

COUNTER CLOCK

SAA7780 Datasheet(PDF) 64 Page - NXP Semiconductors

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