參數(shù)資料
型號(hào)： MN5572
廠商： PANASONIC CORP
元件分類： 消費(fèi)家電
英文描述： Gray Scale Font Engine
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： 14 X 14 MM, PLASTIC, LQFP-100
文件頁(yè)數(shù)： 1/28頁(yè)
文件大?。?/td> 253K
代理商： MN5572
LSIs for Gray Scale Font Engine
MN5572
Gray Scale Font Engine
1
Publication date: November 2001
SDF00008BEM
I
Overview
The MN5572 generates shaded gray-scale data from outline (path) data for figures and characters at high speeds. This
IC includes built-in input and output FIFO buffers for high-speed processing, and provides three interface circuits, a
32-bit local bus, a 16-bit local bus, and a PCI bus, so that it can be used in a wide range of application products.
Note) PCI bus is a registered trademark of the (US) Peripheral Component Interconnect Association.
I
Features
Gray levels: The number of gray levels can be set to any value between 2 and 128.
Bit size: The bit size can be set arbitrarily.
Generation processing speed: More than 20 000 frames/second (A single frame is 32 dots by 32 dots, when the Heisei
Gothic (Japanese) font is used as the sample data.)
Interface specifications: Local bus (16 bits or 32 bits, 33 MHz), PCI bus (32 bits, 33 MHz)
Operating frequency: 66 MHz (maximum)
Operating supply voltage: 3.3 V
±
0.3 V (5 V inputs are also supported.)
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Applications
High-quality character generation in STB, DTV, in-car navigation systems and other products.
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Block Diagrams
RAM
MN5572
Local Bus
ROM
CPU
Bridge
Local Mode
Network
MN5572
PCI Bus
CPU Bus
Graphics
CPU
Host-PCI
Bridge
PCI Mode
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