hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 442

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Section 12 A/D Converter
12.1.2
Figure 12.1 shows a block diagram of the A/D converter.
Rev. 7.00 Mar 10, 2005 page 400 of 652
REJ09B0042-0700
ADTRG
Block Diagram
[Legend]
AMR:
ADSR:
ADRR:
IRRAD:
AV
AV
AN
AN
AN
AN
AN
AN
AN
AN
CC
SS
0
1
2
3
4
5
6
7
A/D mode register
A/D start register
A/D result register
A/D conversion end interrupt request flag
Figure 12.1 Block Diagram of the A/D Converter
Multiplexer
Reference
voltage
+
parator
−
Com-
AV
CC
AV
SS
Control logic
ADRRH
ADRRL
ADSR
AMR
IRRAD