Chipset Feature:
VT8623CE NORTH BRIDGE
- Defines Integrated Solutions for value computer Mobile Designs
- High Performance North Bridge: Integrated Apollo Pro266T & Graphics accelerator in a single
chip.
- 64-bit Advanced Memory controller supporting PC2100/PC1600 DDR and PC100/PC133 SDR SDRAM
- Combines with VIA VT8233A V-Link South Bridge for Integrated Audio, ATA133 IDE, and 4 USB ports
- High Performance CPU Interface
- Support for Socket-370 VIA C3 processors.
- 133/100/66 MHz CPU Front Side Bus (FSB)
- High Resolution CRT RGB Interface
- 250MHz RAMDAC on chip with Gamma Correction
- Horizontal/Vertical Sync outputs compliant with Monitor Power Management Protocols
- I2C Serial Bus for DDC Monitor Communications
- Integrated Graphics/Video Accelerator
- Optimized Shared Memory Architecture (SMA)
- 16/32/64 MB frame buffer using system memory
- Internal AGP 4x performance
- Video Support
- Up to three video windows for video conferencing applications
- High quality scaler (up or down) for both horizontal and vertical scaling (linear interpolation for horizontal and vertical up-scaling and filtering for horizontal and vertical down-scaling)
- Color Space conversion
- Color Enhancement (contrast, hue, saturation, brightness, and gamma correction)
- Color and Chroma key support
- Video capture inputs (one or two 8-bit ports or one 16-bit port)with built-in phase adjuster to fine tune the clock/data signal timing
- PAL/NTSC TV output capability using external TV encoder
- Supports CCIR601 standard
- MPEG-2/1 Video Decoder
- Drivers for major operating systems and APIs: (Windows 9X, Windows 2000, Windows XP, Direct3D, DirectDraw and DirectShow, OpenGL ICD for Windows 9X, and 2000, and XP)
- High Bandwidth 266MB/S 8-bit V-Link Host Controller
- Supports 66MHz V-Link Host interface with peak bandwidth of 266MB/S
- Operates at 2X or 4X modes
- Advanced System Power Management Support
- Power down of SDRAM (CKE)
- Independent clock stop controls for CPU/SDRAM and on-chip AGP bus
- Suspend power plane for preservation of memory data
VT8235CD VLINK CLIENT HIGHLY INTEGRATED SOUTH BRIDGE
- Inter-operable with VIA Host-to-V-Link Host Controller
- Combine with VT8754 (Apollo P4X333) for a complete 533/400 MHz FSB Pentium 4 system
- Combine with VT8377 (Apollo KX400) for a complete 266/200 MHz FSB Athlon Socket-A system
- May be used interchangeably with the VT8235 South Bridge in most board designs
- High Bandwidth 266 MB/S 8-bit V-Link Client Controller
- Supports 66 MHz V-Link Client interface with peak bandwidth of 266 MB/S
- V-Link operates in 2X or 4X modes
- Integrated Peripheral Controllers
- Integrated Fast Ethernet Controller with 1/10/100 Mbit capability.
- Integrated USB 2.0 Controller with three root hubs and six function ports
- Dual channel UltraDMA-33/66/100/133 master mode EIDE controller
- C-link interface for AC-97 audio codec and modem codec
- Integrated Legacy Functions
- Integrated Keyboard Controller with PS2 mouse support
- Integrated DS12885-style Real Time Clock with extended 256 bytes CMOS RAM and Day/Month Alarm
for ACPI
- Direct Sound Ready AC97 Digital Audio Controller
- AC-Link access to 4 CODECs
- Multi-channel Audio
- Bus Master Scatter/Gather DMA
- Dedicated read and write channels supporting simultaneous stereo playback and record.
- Dedicated read and write channels supporting simultaneous modem receive and transmit.
- 1 stereo DirectSound channel with source/volume control/mixer
- 1 shared FM/SPDIF PCM read channel
- 1 dedicated channel supporting multi-channel audio
- 32-byte line-buffers for each SGD channel
- Programmable 8-bit/16-bit mono/stereo PCM data formate support
- Universal Serial Bus Controller
- USB v2.0 and Universal Host Controller Interface (UHCI) v2.0 Compatible
- USB v1.1 and Universal Host Controller Interface (UHCI) v1.1 Compatible
- Plug and Play Controller
- PCI interrupts steerable to any interrupt channel
- Steerable interrupts for integrated peripheral controllers: USB, floppy, serial, parallel, and audio
- Microsoft Windows XP, Windows 2000, Windows 98 and plug and play BIOS compliant
- 0.35um, 3.3V, low power CMOS process; single chip 35x35mm, 487 pin BGA
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