14 AMD Geode™ SC2200 Processor Data Book
Overview
32580B
1.2 Features
General Features
■ 32-Bit x86 processor, up to 300 MHz, with MMX
instruction set support
■ Memory controller with 64-bit SDRAM interface
■ 2D graphics accelerator
■ CRT controller with hardware video accelerator
■ CCIR-656 video input port with direct video for full
screen display
■ PC/AT functionality
■ PCI bus controller
■ IDE interface, two channels
■ USB, three ports, OHCI (OpenHost Controller Interface)
version 1.0 compliant
■ Audio, AC97/AMC97 version 2.0 compliant
■ Virtual System Architecture™ (VSA) technology support
■ Power management, ACPI (Advanced Configuration
Power Interface) version 1.0 compliant
■ Package:
— BGU481 (481-Terminal Ball Grid Array Cavity Up)
GX1 Processor Module
■ CPU Core:
— 32-Bit x86, 300 MHz, with MMX compatible instruc-
tion set support
— 16 KB unified L1 cache
— Integrated FPU (Floating Point Unit)
— Re-entrant SMM (System Management Mode)
enhanced for VSA
■ 2D Graphics Accelerator:
— Accelerates BitBLTs, line draw and text
— Supports all 256 raster operations
— Supports transparent BLTs
— Runs at core clock frequency
■ Memory Controller:
— 64-Bit SDRAM interface
— 66 MHz to 100 MHz frequency range
— Direct interface with CPU/cache, display controller
and 2D graphic accelerator
— Supports clock suspend and power-down/
self-refresh
— Up to two banks of SDRAM (8 devices total) or one
SODIMM
■ Display Controller:
— Hardware graphics frame buffer compress/
decompress
— Hardware cursor, 32x32 pixels
Video Processor Module
■ Video Accelerator:
— Flexible video scaling support of up to 8x
(horizontally and vertically)
— Bilinear interpolation filters (with two taps, and eight
phases) to smooth output video
■ Video/Graphics Mixer:
— 8-bit value alpha blending
— Three blending windows with constant alpha value
— Color key
■ Video Input Port (VIP):
— Video capture or display
— CCIR-656 and VESA Video Interface Port v1.1
compliant
— Lock display timing to video input timing (GenLock)
— Able to transfer video data into main memory
— Direct video transfer for full screen display
— Separate memory location for VBI
■ CRT Interface:
— Uses three 8-bit DACs
— Supports up to 135 MHz
— 1280x1024 non-interlaced CRT @ 8 bpp, up to 75 Hz
— 1024x768 non-interlaced CRT @ 16 bpp, up to 85 Hz
■ TFT Interface:
— Direct connection to TFT panels
— 800x600 non-interlaced TFT @ 16 bpp graphics,
up to 85 Hz
— 1024x768 non-interlaced TFT @ 16 bpp graphics,
up to 75 Hz
— TFT on IDE: FPCLK max is 40 MHz
— TFT on Parallel Port: FPCLK max is 80 MHz
Core Logic Module
■ Audio Codec Interface:
— AC97/AMC97 (Rev. 2.0) codec interface
— Six DMA channels
■ PC/AT Functionality:
— Programmable Interrupt Controller (PIC),
8259A-equivalent
— Programmable Interval Timer (PIT), 8254-equivalent
— DMA Controller (DMAC), 8237-equivalent
■ Power Management:
— ACPI v1.0 compliant
— Sx state control of three power planes
— Cx/Sx state control of clocks and PLLs
— Thermal event input
— Wakeup event support:
– Three general-purpose events
– AC97 codec event
– UART2 RI# signal
– Infrared (IR) event