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Chapter 14
A/D Converter
Preliminary User’s Manual U14913EE1V0UM00
14.8.2 Operation in scan mode
Analog input pins specified by register ADSCM0 are selected sequentially, and the specified number of
A/D conversions are performed by using the Timer E 0 interrupt as a trigger. The conversion results are
stored in the ADCRm registers corresponding to the analog inputs (m = 0 to 11).
This is optimal for applications that regularly monitor multiple analog inputs.
(1)
Timer trigger scan mode
Using the interrupt signal from Timer E 0 as a trigger, the conversion start analog input pin through
the conversion termination analog input pin specified by the ADSCM0 register are sequentially
selected and A/D converted. Analog inputs correspond one-to-one with ADCRm register. When all
of the specified A/D conversions have terminated, an A/D conversion termination interrupt (INTAD)
is generated (CS = 0).
After all of the specified A/D conversions have terminated, the A/D converter changes to trigger wait
status (CE = 1). It performs A/D conversion operation again, when the interrupt signal occurs.
Trigger
Analog Input
A/D Conversion Result Register
INTPE10/TINTCCE10
ANI0
ADCR0
ANI1
ADCR1
ANI2
ADCR2
ANI3
ADCR3
ANI4
ADCR4
ANI5
ADCR5
ANI6
ADCR6
ANI7
ADCR7
ANI8
ADCR8
ANI9
ADCR9
ANI10
ADCR10
ANI11
ADCR11
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