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SC2200UCL-266
Thin Client On a Chip
Geode™
C2200
Thi
lient
hip
General DescriptionThe Geode™ SC2200 Thin Client Ona Chip deviceisa
memberof the National Semiconductor®IA (Information
Appliance)ona Chip familyof fully integrated x86 system
chips. The Geode SC2200 includes:
The Geode GX1 processor module combines advanced
CPU performance with Intel MMX support, fully acceler-
ated2D graphics,a 64-bit synchronous DRAM
(SDRAM) interface,a PCI bus controller, anda display
controller.
A low-power CRT and TFT Video Processor module with Video Input Port (VIP), anda hardware video acceler-
atorfor scaling, filtering, and color space conversion.
The Core Logic module includes: PC/AT functionality,a
USB interface,an IDE interface,a PCI bus interface,an
LPC bus interface, Advanced Configuration Power Inter-
face (ACPI) version 1.0 compliant power management,
andan audio codec interface.
The SuperI/O module has: three serial ports (UART1,
UART2, and UART3 with fast infrared),a parallel port,
two ACCESS.bus (ACB) interfaces, anda real-time
clock (RTC).
The block diagram shows the relationships between the
modules.
These features, combined with the device’s small form fac-
tor and low power consumption, makeit idealas the core
fora thin client application.
Block DiagramCPU
GX1Memory Controller
Core
Display
Controller2D Graphics
Accelerator
PCIBus
Controller
Video
Scaling
Video ProcessorCRTI/F
TFTI/F
Video
Mixer
Clock& ResetLogic
Config.
Fast-PCIBus
Video Input Port (VIP)
IDEI/F
Fast X-Bus
PIT
DMAC
Pwr Mgmnt
Configuration
ISABusI/F
PIC
USB
GPIO
PCI/Sub-ISA
Audio CodecI/F
LPCI/F ISABus
Block
BusI/F
PCI
I/F
Parallel
Port
ACB1
I/F
ACB2
I/F
UART1
UART2
UART3
&IR
Bridge
RTC
Core Logic
SuperI/OHost Interface
X-Bus
August 2002
Revision 3.0
Geode™ SC2200
Thin Client On a Chip
