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12.5 Interrupts
The A/D converter generates an interrupt (ADI) at the end of A/D conversion. The ADI interrupt
request can be enabled or disabled by the ADIE bit in ADCSR.
12.6 Usage Notes
When using the A/D converter, note the following points:
Analog Input Voltage Range: During A/D conversion, the voltages input to the analog input pins
AN
should be in the range AV
n
AV
and AV
Input Voltages: AV
CC
SS
If the A/D converter is not used, the values should be AV
V
Input Range: The analog reference voltage input at the V
REF
≤ AV
V
. If the A/D converter is not used, the value should be V
REF
CC
≤ AN
≤ V
. (n = 0 to 7)
SS
n
REF
should have the following values: AV
SS
= V
CC
387
= V
.
SS
SS
and AV
= V
.
CC
SS
SS
pin should be in the range
REF
= V
.
REF
CC
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