Registers To Control A/D Converter - NEC mPD780024AS Series Preliminary User's Manual

CHAPTER 11 8-BIT A/D CONVERTER ( µ PD780024AS SUBSERIES)

11.3 Registers to Control A/D Converter

The following 4 types of registers are used to control the A/D converter.
• A/D converter mode register 0 (ADM0)
• Analog input channel specification register 0 (ADS0)
• External interrupt rising edge enable register (EGP)
• External interrupt falling edge enable register (EGN)
(1) A/D converter mode register 0 (ADM0)
This register sets the conversion time for analog input to be A/D converted, conversion start/stop, and external
trigger.
ADM0 is set by a 1-bit or 8-bit memory manipulation instruction.
RESET input sets ADM0 to 00H.
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