CS5530A datasheet(2/259 Pages) NSC

2 / 259 page

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Revision 1.1

Two bus mastering IDE controllers are included for support

of up to four ATA-compliant devices. A two-port Universal

Serial Bus (USB) provides high speed, Plug & Play expan-

sion for a variety of consumer peripheral devices such as a

keyboard, mouse, printer, and digital camera. If additional

functions are required like real-time clock, floppy disk, PS2

keyboard, and PS2 mouse, a SuperI/O such as the

National PC97317 can be easily connected to the

CS5530A.

Features

General Features

Designed for use with National’s Geode GX-series

processors

352 PBGA (Plastic Ball Grid Array) package

3.3V or 5.0V PCI bus compatible

5.0V tolerant on all inputs

3.3V core

PCI-to-ISA Bridge

PCI 2.1 compliant

Supports PCI initiator-to-ISA and ISA master-to-PCI

cycle translations

PCI master for audio I/O and IDE controllers

Subtractive agent for unclaimed transactions

PCI-to-ISA interrupt mapper/translator

AT Compatibility

Two 8259A-equivalent interrupt controllers

8254-equivalent timer

Two 8237-equivalent DMA controllers

Boot ROM and keyboard chip select

Extended ROMto16MB

Bus Mastering IDE Controllers

Two controllers with support for up to four IDE devices

Independent timing for master and slave devices for

both channels

PCI bus master burst reads and writes

Ultra DMA/33 (ATA-4) support

Multiword DMA support

Programmed I/O (PIO) Modes 0-4 support

Power Management

Intelligent system controller supports multiple power

management standards:

— Full ACPI and Legacy (APM) support

— Directly manages all GX-series processors’ power

states (including automatic Suspend modulation for

optimal performance/thermal balancing)

I/O traps and idle timers for peripheral power

management

Up to eight GPIOs for system control:

— All eight are configurable as external wakeup events

Dedicated inputs for keyboard and mouse wakeup

events

XpressAUDIO

Provides "back-end" hardware support via six buffered

PCI bus masters

AC97 codec interface:

— Specification Revision 1.3, 2.0, and 2.1 compliant

interface. Note that the codec (e.g., LM4548) must

have SRC (sample rate conversion) support

Display Subsystem Extensions

Complements the GX-series processors’ graphics and

video capabilities:

— Three independent line buffers for accelerating video

data streams

— Handles asynchronous video and graphics data

streams concurrently from the processor

— YUV to RGB conversion hardware

— Arbitrary X & Y interpolative scaling

— Color keying for graphics/video overlay

VDACs / Display interface:

— Three integrated DACs

—Gamma RAM:

– Provides gamma correction for graphics data

streams

– Provides brightness/contrast correction for video

data streams

— Integrated DOT clock generator

— Digital RGB interface drives TFT panels or standard

NTSC/PAL encoders

— Up to 1280x1024 @ 85 Hz

Universal Serial Bus

Two independent USB interfaces:

— Open Host Controller Interface (OpenHCI)

specification compliant

— Second generation proven core design

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