Control Registers - NEC Renesas V850/SC1 User Manual

12.3 Control Registers

The A/D converter is controlled by the following registers.
•
A/D converter mode register 1 (ADM1)
•
Analog input channel specification register (ADS)
•
A/D converter mode register 2 (ADM2)
(1) A/D converter mode register 1 (ADM1)
This register specifies the conversion time of the input analog signal to be converted into a digital signal, starting
or stopping the conversion, and an external trigger.
ADM1 is set by an 8-bit or 1-bit memory manipulation instruction.
RESET input sets ADM1 to 00H.
After reset: 00H
<7>
ADM1 ADCS
ADCS
0
1
TRG
0
1
458
CHAPTER 12
R/W Address: FFFFF3C0H
<6> 5
TRG FR2
Conversion stopped
Conversion enabled
Software start or hardware start selection
Software start
Hardware start
User's Manual U15109EJ3V0UD
A/D CONVERTER
4 3 2
FR1 FR0 EGA1
A/D conversion control
(1/2)
1 <0>
EGA0 ADPS