Datasheet

CHAPTER 9 A/D CONVERTER ( μ PD78F920x ONLY)
User’s Manual U18172EJ3V0UD
161
9.3 Registers Used by A/D Converter
The A/D converter uses the following six registers.
• A/D converter mode register (ADM)
• Analog input channel specification register (ADS)
• 10-bit A/D conversion result register (ADCR)
• 8-bit A/D conversion result register (ADCRH)
• Port mode register 2 (PM2)
• Port mode control register 2 (PMC2)
(1) A/D converter mode register (ADM)
This register sets the conversion time for analog input to be A/D converted, and starts/stops conversion.
ADM can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.