| Microprocessors
(CPU) |
 |
Two Hitachi SH-2's 32-bit RISC @
28.6 MHz System Control Unit (SCU) rated 28 MIPS for each SH-2. |
|
One Hitachi SH-1 32-bit RISC @ 20
MHz rated 20 MIPS. |
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| Graphics |
|
Sprite VDP1 processor rated at 200,000
textured polygons/sec with� Gouraud shading and translucent mesh polygons. |
|
Background VDP2 processor with 16-million
(24-bit) color support. |
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| RAM |
|
4.5 MBytes total memory(Segmented
Memory Architecture) |
|
2 MBytes system RAM |
|
512 KBytes VRAM for Sprite VDP1 |
|
512 KBytes VRAM for Background VDP2 |
|
512 KBytes frame buffers |
|
512 KBytes (PCM waveform memory) |
|
512 KBytes (CD-ROM data cache memory) |
|
32 KBytes (battery backup memory) |
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| Boot ROM |
|
512 KBytes (Sega Saturn game BIOS,
CD player software) |
� |
| CD-ROM |
|
2X transfer rate: 300 KBytes/second |
|
Access time < 360 milliseconds |
|
680 MBytes total space |
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| Sound Circuitry |
|
Saturn Custom Sound Processor (SCSP) |
|
Yamaha FH1 DSP processor @ 22 MHz |
|
Motorola MC 68EC000 processor @
11.3 MHz |
|
Capability: 32 channel MIDI. 16-bit
D/A converter. PCM sound: Stereo, 16 channels. 16-bit Sampling frequency
(wavelength). 44.1 KHz max. 8x over-sampling digital filter.� |
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| Audio Characteristics |
|
Frequency range: 20 Hz - 20 KHz |
|
Channel separation: > 96 dB |
|
Signal-to-noise ratio (S/N) > 92
dB (a) 1KHz |
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| Outputs |
|
Stereo Audio/Visual cable |
|
Communications connector |
|
Two control pad ports |
|
Cartridge slot |
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| Dimensions |
|
Width: 10.24 in./260 mm |
|
Height: 3.23 in./82 mm |
|
Depth: 8.98 in./228 mm |
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| Weight |
|
3.5 lbs/1.6 Kg |
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|
Systems:
|
Dreamcast
|
Saturn
|
| CPU |
SH-4 200 MHz
-360 MIPS
-1400 MFLOPS
The SH4 can do interger, and floating
point instructions concurrently. |
SH-2 28.6 MHz - 28 MIPS
SH-2 28.6 MHz - 28 MIPS
Total 56 MIPS
The SH-2's have no floating point
units. |
| Graphics |
5 to 6 million textured polygons
per second with extra effects added. |
200,000 flat shaded textured polygons
per second with no extra effects. |
| RAM |
26 MBytes total RAM
-16 MBytes main memory (SDRAM)
-8 MBytes graphics memory (SDRAM)
-2 MB sound memory (DRAM)
-128 KBytes GD-ROM buffer |
4.5 MBytes total RAM
-2 MBytes main memory (SDRAM)
-1.5 MBytes graphics memory (VRAM)
-512 KBytes sound memory (DRAM)
-512 KBytes CD-ROM buffer |
| Sound |
64 channels
-45 MHz ARM7 CPU - 40 MIPS
-DSP |
32 channels
-11.3 MHz 68EC000 CPU - 1.5 MIPS
-DSP |
| CD-ROM |
12X speed - 1800 KBytes/second |
2X speed - 300 KBytes/second |
