HD643303x Hitachi, HD643303x Datasheet - Page 387

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

12.1.2 Block Diagram
Figure 12-1 shows a block diagram of the A/D converter.
AV
AV
V
AN
AN
AN
AN
AN
AN
AN
AN
Legend
ADCR:
ADCSR:
ADDRA:
ADDRB:
ADDRC:
ADDRD:
ADTRG
REF
CC
SS
0
1
2
3
4
5
6
7
A/D control register
A/D control/status register
A/D data register A
A/D data register B
A/D data register C
A/D data register D
Analog
plexer
multi-
10-bit D/A
Figure 12-1 A/D Converter Block Diagram
Sample-and-
hold circuit
Comparator
+
–
372
Module data bus
Control circuit
On-chip
data bus
ø/8
ø/16
ADI