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12.1.2
Block Diagram
Figure 12.1 shows a block diagram of the A/D converter.
),64/
AN
0
AN
1
AN
2
AN
3
AN
4
AN
5
AN
6
AN
7
AV
CC
AV
SS
[Legend]
AMR:
A/D mode register
ADSR:
A/D start register
ADRR:
A/D result register
IRRAD:
A/D conversion end interrupt request flag
Rev. 6.00, 08/04, page 388 of 628
Multiplexer
+
Com-
parator
-
Reference
voltage
Figure 12.1 Block Diagram of the A/D Converter
ADSR
AV
CC
Control logic
AV
SS
ADRRH
ADRRL
AMR
IRRAD
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