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2 X P80C32EBAA. The 87C52 contains an 8k × 8 EPROM and the 80C32 is ROMless. In addition, the 80C32/87C52 has two software selectable modes of power reduction—idle mode and power-down mode. The power-down mode saves the RAM contents but freezes the oscillator, causing all other chip functions to be inoperative.
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