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发表于 2009-6-5 14:04 · 贵州
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CPU reference
Processor Ricoh 5A22, based on a 16-bit 65c816 core
Clock Rates (NTSC) Input: 21.47727 MHz
Bus: 3.58 MHz, 2.68 MHz, or 1.79 MHz
Clock Rates (PAL) Input: 21.28137 MHz
Bus: 3.55 MHz, 2.66 MHz, or 1.77 MHz
Buses 24-bit and 8-bit address buses, 8-bit data bus
Additional Features DMA and HDMA
Timed IRQ
Parallel I/O processing
Hardware multiplication and division
猜谜了
猜对有浮云 |
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