140
AMD Geode™ SC3200 Processor Data Book
Core Logic Module
32581C
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.
PW
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
GPIOs
Summary of Contents for Geode SC3200
Page 8: ...8 AMD Geode SC3200 Processor Data Book List of Figures 32581C...
Page 16: ...16 AMD Geode SC3200 Processor Data Book Overview 32581C...
Page 24: ...24 AMD Geode SC3200 Processor Data Book Architecture Overview 32581C...
Page 350: ...350 AMD Geode SC3200 Processor Data Book Debugging and Monitoring 32581C...
Page 420: ...420 AMD Geode SC3200 Processor Data Book Electrical Specifications 32581C...