Block Diagram - Hitachi H8/3937 Series Hardware Manual

11.1.2

Block Diagram

Figure 11-1 shows a block diagram of the A/D converter.
ADTRG
AN
0
AN
1
AN
2
AN
3
AN
4
AN
5
AN
6
AN
7
AV
CC
AV
SS
Notation:
AMR:
ADSR:
ADRR:
IRRAD:
316
Multiplexer
AV
+
Com-
parator
–
Reference
voltage
A/D mode register
A/D start register
A/D result register
A/D conversion end interrupt request flag
Figure 11-1 Block Diagram of the A/D Converter
AMR
ADSR
CC
Control logic
AV
SS
ADRRH
ADRRL
IRRAD