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STPCATLAS Datasheet(PDF) 2 Page - STMicroelectronics

Part No. STPCATLAS
Description  X86 Core PC Compatible System-on-Chip for Terminals
Download  111 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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STPCATLAS Datasheet(HTML) 2 Page - STMicroelectronics

 
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STPC
® ATLAS
2/111
Issue 1.0 - July 24, 2002
DESCRIPTION
The STPC Atlas integrates a standard 5th
generation x86 core along with a powerful UMA
graphics/video chipset, support logic including
PCI, ISA, Local Bus, USB, EIDE controllers and
combines them with standard I/O interfaces to
provide a single PC compatible subsystem on a
single device, suitable for all kinds of terminal and
industrial appliances.
s
X86 Processor core
s
Fully static 32-bit 5-stage pipeline, x86
processor fully PC compatible.
s
Can access up to 4GB of external memory.
s
8Kbyte unified instruction and data cache
with write back and write through capability.
s
Parallel processing integral floating point unit,
with automatic power down.
s
Runs up to 133 MHz (X2).
s
Fully static design for dynamic clock control.
s
Low power and system management modes.
s
Optimized design for 2.5V operation.
s
SDRAM Controller
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64-bit data bus.
s
Up to 90MHz SDRAM clock speed.
s
Integrated system memory, graphic frame
memory and video frame memory.
s
Supports 8MB up to 128 MB system memory.
s
Supports 16-Mbit, 64-Mbit and 128-Mbit
SDRAMs.
s
Supports 8, 16, 32, 64, and 128 MB DIMMs.
s
Supports buffered, non buffered, and
registered DIMMs
s
4-line write buffers for CPU to DRAM and PCI
to DRAM cycles.
s
4-line read prefetch buffers for PCI masters.
s
Programmable latency
s
Programmable timing for SDRAM
parameters.
s
Supports -8, -10, -12, -13, -15 memory parts
s
Supports memory hole between 1MB and
8MB for PCI/ISA busses.
s
32-bit access, Autoprecharge & Power-down
are not supported.
s
Enhanced 2D Graphics Controller
s
Supports pixel depths of 8, 16, 24 and 32 bit.
s
Full BitBLT implementation for all 256 raster
operations defined for Windows.
s
Supports 4 transparent BLT modes - Bitmap
Transparency, Pattern Transparency, Source
Transparency and Destination Transparency.
s
Hardware clipping
s
Fast line draw engine with anti-aliasing.
s
Supports 4-bit alpha blended font for anti-
aliased text display.
s
Complete double buffered registers for
pipelined operation.
s
64-bit wide pipelined architecture running at
90 MHz. Hardware clipping
s
CRT Controller
s
Integrated 135MHz triple RAMDAC allowing
for 1280 x 1024 x 75Hz display.
s
8-, 16-, 24-bit pixels.
s
Interlaced or non-interlaced output.
s
Video Input port
s
Accepts video inputs in CCIR 601/656 mode.
s
Optional 2:1 decimator
s
Stores captured video in off setting area of
the onboard frame buffer.
s
HSYNC and B/T generation or lock onto
external video timing source.
s
Video Pipeline
s
Two-tap interpolative horizontal filter.
s
Two-tap interpolative vertical filter.
s
Color space conversion (RGB to YUV and
YUV to RGB).
s
Programmable window size.
s
Chroma and color keying for integrated video
overlay.


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