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UPD77018A データシート(PDF) 5 Page - NEC |
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UPD77018A データシート(HTML) 5 Page - NEC |
5 / 56 page Item µPD77016 µPD77015 µPD77017 µPD77018 µPD77018A µPD77019 Internal instruction RAM 1.5K words 256 words 4K words Internal instruction ROM None 4K words 12K words 24K words External instruction memory 48K words None Data RAM (X/Y memory) 2K words each 1K words each 2K words each 3K words each Data ROM (X/Y memory) None 2K words each 4K words each 12K words each External data memory 48K words each 16K words each Instruction cycle (Maximum operation speed) External clock (at maximum operation speed) Crystal (at maximum operation speed) Instruction – STOP instruction is added. Serial interface (2 Channels) Power supply 5V 3 V Package 160-pin plastic QFP 100-pin plastic TQFP Functional Differences among the µPD7701× Family Channel 1 has the same functions as channel 2. Channel 1 has the same functions as that of the µPD77016. Channel 2 has no SORQ2 or SIAK2 pin (Channel 2 is used for CODEC connection). 33/16.5/8.25/4.125 MHz Variable multiple rate (1, 2, 4, 8 ) by mask option. 66 MHz 60/30/20/15/7.5 MHz Variable multiple rate (1, 2, 3, 4, 8 ) by mask option. 60 MHz 30 ns (33 MHz) 16.6 ns (60 MHz) – 33 MHz |
同様の部品番号 - UPD77018A |
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同様の説明 - UPD77018A |
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