HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 546

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 14 A/D Converter
14.1.2
Figure 14.1 shows a block diagram of the A/D converter.
Rev.3.00 Mar. 26, 2007 Page 504 of 772
REJ09B0355-0300
AV
V
AV
AN0
AN1
AN2
AN3
ADTRG
Legend:
ADCR
ADCSR
ADDRA
ADDRB
ADDRC
ADDRD
ref
CC
SS
: 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
Block Diagram
10-bit D/A
Sample-and-
hold circuit
Figure 14.1 Block Diagram of A/D Converter
Comparator
+
–
A
D
D
R
A
Module data bus
A
D
D
R
B
A
D
D
R
C
Control circuit
A
D
D
R
D
A
D
C
S
R
A
D
C
R
Conversion start
trigger from 8-bit
timer or TPU
Internal data bus
ADI
interrupt
/8
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