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AMD Geode™ LX Processors Data Book 13
Overview
33234H
Display Controller
■ Hardware frame buffer compression improves Unified
Memory Architecture (UMA) memory efficiency
■ CRT resolutions supported:
— Supports up to 1920x1440x32 bpp at 85 Hz
— Supports up to 1600x1200x32 bpp at 100 Hz
■ Supports up to 1600x1200x32 bpp at 60 Hz for TFT
■ Standard Definition (SD) resolution for Video Output
Port (VOP):
— 720x482 at 59.94 Hz interlaced for NTSC
— 768x576 at 50 Hz interlaced for PAL
■ High Definition (HD) resolution for Video Output Port
(VOP):
— Up to 1920x1080 at 30 Hz interlaced (1080i HD)
(74.25 MHz)
— Up to 1280x720 at 60 Hz progressive (720p HD)
(74.25 MHz)
■ Supports down to 7.652 MHz Dot Clock (320x240
QVGA)
■ Hardware VGA
■ Hardware supported 48x64 32-bit cursor with alpha
blending
Video Processor
■ Supports video scaling, mixing and VOP
■ Hardware video up/down scalar
■ Graphics/video alpha blending and color key muxing
■ Digital VOP (SD and HD) or TFT outputs
■ Legacy RGB mode
■ VOP supports SD and HD 480p, 480i, 720p, and 1080i
■ VESA 1.1, 2.0 and BT.601 24-bit (out only), BT.656
compliant
Integrated Analog CRT DAC, System Clock PLLs and
Dot Clock PLL
■ Integrated Dot Clock PLL with up to 350 MHz clock
■ Integrated 3x8-bit DAC with up to 350 MHz sampling
■ Integrated x86 core PLL
■ Memory PLL
GeodeLink™ PCI Bridge
■ PCI 2.2 compliant
■ 3.3V signaling and 3.3V I/Os
■ 33 to 66 MHz operation
■ 32-bit interface
■ Supports virtual PCI headers for GeodeLink devices
Video Input Port (VIP)
■ VESA 1.1 and 2.0 compliant, 8 or 16-bit
■ Video Blanking Interval (VBI) support
■ 8 or 16-bit 80 MHz SD or HD capable
Security Block
■ Serial EEPROM interface for 2K bit unique ID and AES
(Advanced Encryption Standard) hidden key storage
(EEPROM optional inside package)
■ Electronic Code Book (ECB) or Cipher Block Chaining
(CBC)128-bit AES hardware support
■ True random number generator (TRNG)