cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 5
cs5535
Manufacturer Part Number
cs5535
Description
Geode Cs5535 Companion Multi-function South Bridge
Manufacturer
National Semiconductor Corporation
Datasheet
1.CS5535.pdf
(555 pages)
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Revision 0.8
1.0
2.0
3.0
Architecture Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
Signal Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.1
2.2
Global Concepts and Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
3.1
GEODELINK PCI SOUTH BRIDGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
GEODELINK CONTROL PROCESSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
ATA-5 CONTROLLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
UNIVERSAL SERIAL BUS CONTROLLERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
AUDIO CODEC 97 (AC97) CONTROLLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
DIVERSE DEVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1.6.1
1.6.2
1.6.3
1.6.4
1.6.5
1.6.6
1.6.7
1.6.8
1.6.9
1.6.10
1.6.11
1.6.12
GEODELINK INTERFACE UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
LOW VOLTAGE DETECT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
PROCESSOR SUPPORT / SYSTEM OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
BALL ASSIGNMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.1.1
2.1.2
2.1.3
SIGNAL DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7
2.2.8
2.2.9
2.2.10
GEODELINK ARCHITECTURE OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
3.1.1
3.1.2
3.1.3
3.1.4
3.1.5
3.1.6
3.1.7
Legacy DMA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Programmable Interval Timers - Legacy Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Programmable Interrupt Controller - Legacy Interrupt . . . . . . . . . . . . . . . . . . . . . . . . 14
Keyboard Emulation Logic - Legacy Support Interface . . . . . . . . . . . . . . . . . . . . . . . 14
Universal Asynchronous Receiver Transmitter and IR Port . . . . . . . . . . . . . . . . . . . . 14
System Management Bus Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Low Pin Count Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
General Purpose I/Os with Input Conditioning Functions (ICF) . . . . . . . . . . . . . . . . . 14
Multi-Function General Purpose Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Flash Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Real-Time Clock with CMOS RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Power Management Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Buffer Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Boot Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Ball Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
System Interface Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
PCI Interface Signals () . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
IDE/Flash Interface Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
USB Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
System Management Bus (SMB) Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Low Pin Count (LPC) Interface () . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Audio Codec 97 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
GPIOs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Debug and Manufacturing Test Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Power, Ground, and No Connects () . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Response Packets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
ASMI and Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Address Spaces and MSRs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Special Cycles and BIZZARO Flag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Table of Contents
5
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