No son oficiales pero esto es lo que hay.
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Hot off the press... information from the US magazine Game Informer issue 133 (May 2004) reveals specifications of the awaited Nintendo Dual Screen (DS). Whilst the information (to the best of my knowledge) hasn't been confirmed by Nintendo, I'll provide it here for your pleasure.
CPU Core:
Main Processor - ARM946E-S (67MHz)
Cache: Instructions 8kKByte, Data 4KByte
TCM: Instructions 32kKByte, Data 16KByte
Sub Processor - ARM7TDMI (33MHz)
Memory:
Main Memory - 4Mbyte (Debugger Use 8Mbyte)
ARM9/ARM7 Shared - 32KByte (16kbyte x2)
ARM7 Dedicated Internal Work RAM - 64KByte
VRAM - 656KByte
LCD:
Display Size - 256 x 192 x RGB Dots x 2 Screens
Number of Colors Displayed - 262,144 Colors (R:G:B=6:6:6)
2D Graphics Engine:
BG - Maximum 4 Layers
OBJ - Maximum 128 Objects
3D Graphics Engine:
Coordinate Transform Capability - Maximum 4M Vertices/second
Polygon Draw Rate - Maximum 120K Polygons/second
Pixel Fill Rate - Maximum 30M Pixels/second
Sound:
16ch ADPCM/PCM (Maximum 8ch alocatable to PSG)
Microphone Input
Wireless Communication:
IEEE802.11-Based proprietary protocol
Input Devices:
Touch Panel
+ Key, A, B, R, L, START, SELECT (X, Y under consideration)
Power Management:
Sleep mode capable (Timer set, WakeUp on wireless-recieve, ect.) Power management capability for 2D engine, rendering engine, geometry engine, and LCD.
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Fuente: GBATemp.