UPD77018A NEC, UPD77018A Datasheet - Page 31

• Manufacturer Part Number: UPD77018A
• Description: 16 bits/ Fixed-point Digital Signal Processor
• Manufacturer: NEC

PD77018A, 77019
Notes 1.
The HALT instruction causes all function except for clock and PLL to halt. The system is placed in much
less power consumption mode.
The contents of internal registers and memories are maintained.
HALT is released by interrupt input. It takes several system clock to recover.
2.
The STOP instruction causes all function including clock and PLL to stop. The system is placed in a
minimum-power consumption mode.
The contents of internal registers and memories are not maintained.
After the STOP instruction is executed, pin status is maintained.
STOP is released by hardware reset. It takes a few ms to recover.
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