HD6433802H Datasheet, PDF (302/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

12.1.2 Block Diagram
Figure 12.1 shows a block diagram of the A/D converter.
AN₀
AN₁
AN₂
AN₃
AV_CC
AV_SS
AMR
Multiplexer
Reference
voltage
AV_CC
+
Com-
parator
–
AV_SS
ADSR
Control logic
ADRRH
ADRRL
Notation:
AMR: A/D mode register
ADSR: A/D start register
ADRR: A/D result register
IRRAD: A/D conversion end interrupt request flag
Figure 12.1 Block Diagram of the A/D Converter
IRRAD
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