SC3200 datasheet(158/447 Pages) AMD

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AMD Geode™ SC3200 Processor Data Book

Core Logic Module

Revision 5.1

Integrated Audio

• AC97 Version 2.0 compliant interface to audio codecs

• Secondary codec support

• AMC97 codec support

Video Processor Interface

• Synchronous serial interface to the Video Processor

• Translates video and clock control register accesses

from PCI to serial interface

• Supports both reads and writes of Video Processor

registers

• Retries Fast-PCI bus accesses until Core Logic

completes the transfer over the serial interface

Low Pin Count (LPC) Interface

• Based on Intel LPC Interface Specification Revision 1.0

• Serial IRQ support

6.2

Module Architecture

The Core Logic architecture provides the internal functional

blocks shown in Figure 6-1.

• Fast-PCI interface to external PCI bus

• IDE controllers (UDMA-33)

• USB controllers

• Sub-ISA bus interface

• AT compatibility logic (legacy)

• ACPI compliant power management (includes GPIO

interfaces, such as joystick)

• Integrated audio controller

• Low Pin Count (LPC) Interface

Figure 6-1. Core Logic Module Block Diagram

IDE

Config.

LPC

Legacy

ACPI/PM

Audio

UDMA33

USB

LPC

Sub-ISA

Fast X-Bus

Controller

Fast-PCI

PCI Interface

X-Bus

AC97

PCI

ISA/PIC/PIT/DMA

USB

33-66 MHz

33 MHz

Reg.

GPIOs

SC3200 Datasheet(PDF) 158 Page - Advanced Micro Devices

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