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CHAPTER 12 A/D CONVERTER
12.6 Operations of A/D Converter Functions
The A/D converter can be activated with software or activated continuously.
■ Activating the A/D Converter Functions
● Software activation
To activate A/D conversion functions with software, set registers as shown in Figure 12.6-1 .
Figure 12.6-1 Setting A/D Conversion Functions (at Software Activation)
When A/D conversion is activated, the operations of A/D conversion functions are started. In addition,
even during conversion, A/D conversion functions can be reactivated.
● Continuous activation
To activate A/D conversion functions continuously, set registers as shown in Figure 12.6-2 .
bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
ADC1
ANS2 ANS1 ANS0 ADI
ADMV
RESV0 AD
1
ADC2
RESV4 RESV3 ADCK
ADIE
RESV2
EXT RESV1
00 001
ADDH
ADDL
ADEN
: Used bit
: Unused bit
1 : Set "1"
0 : Set "0"
: Set "1" to an appropriate bit
The results of A/D conversion are stored.
The results of A/D conversion are stored.