cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 74

• Manufacturer Part Number: cs5535
• Description: Geode Cs5535 Companion Multi-function South Bridge
• Manufacturer: National Semiconductor Corporation

www.national.com
4.0
The modules that make up the Geode CS5535 (shown in
gray in Figure 4-1) are:
• GeodeLink Interface Unit
• GeodeLink PCI South Bridge
• GeodeLink Control Processor
• ATA-5 Controller (IDE Controller multiplexed with Flash
• Universal Serial Bus 1 Controller with Ports 1-1 and 1-2
Ports 1-1 & 1-2
Ports 2-1 & 2-2
System Power
External USB
External USB
Interface)
Test/Reset
IDE/Flash
Interface
Voltages
External
External
Module Functional Descriptions
Audio
Detect (LVD)
Low Voltage
GeodeLink™ Control
Processor (GLCP)
USB Controller #1
USB Controller #2
ATA-5 Controller
AC97 Controller
(USBC1)
(USBC2)
(ATAC)
(ACC)
Figure 4-1. Module Block Diagram
Power Good
for Power On
Reset (POR)
74
• Universal Serial Bus 2 Controller with Ports 2-1 and 2-2
• Audio Codec 97 (AC97) Controller
• Diverse Device
The Low Voltage Detect (LVD) circuit is not a GeodeLink
Device (GLD), but is connected to the PMC for voltage
monitoring support.
This section provides a functional description of each mod-
ule.
GeodeLink™
Interface
(GLIU)
Unit
CMOS RAM
Device (DD)
Interface
82xx PC
Legacy
RTC &
Flash
Diverse
Diverse Integration Logic (DIVIL)
Geode™ GX2 Interface
33 or 66 MHz
GeodeLink™ PCI
South Bridge
(GLPCI_SB)
Controller
UART (2)
& IR (1)
Mgmnt
Timers
Power
MFGP
GPIO
SMB
LPC
Port
PCI
Revision 0.8