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4. INTERNET SET TOP BOX SPECIFICATION
4-1. HARDWARE SPECIFICATION
1. CPU : VLSI VY86C7500
ARM7 RISC CPU core from Advanced RISC Machine Co.
Highly intergrated RISC computer
30 Dhrystone 2.1 MIPS ARM7 core @ 33MHz CPU clock
4 Kbyte combined instruction and data cache
Flexible Memory Management Unit
Supports 16 or 32 bit wide memory via internal ROM and DRAM controllers
3 channel DMA
I/O controller
8 stereo sound channels
2 serial ports, 4 A/D channels
32-bit CD quality serial sound channel
Video controller with up to 120MHz pixel clock
16 million colors from 256-entry palette
16-level grey scales for LCD displays
Suspend and stop power saving modes
2. Memory
PROM : 512 KB
Boot routine & Emergency Program Storage
FLASH ROM : 1MB Extendible up to 2MB
Application Program & User Data Storage
DRAM : 4 MB Extendible up to 32MB
Program Running Spec.
3. Modem
33,600bps Modem ( ISA Interface )
4. Miscellaneous
NTSC/PAL Encoder, IR Receiver Circuit
5. Peripheral Port
Keyboard/Mouse Ports
S-video Output
Composite A/V Output
Telephone Line I/O Ports
VGA Output
VGA Input Port for TV encoder
Printer Port
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