HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 730

• Manufacturer Part Number: HD6412332
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

16.1.2
Figure 16.1 shows a block diagram of the A/D converter.
Rev.4.00 Sep. 07, 2007 Page 700 of 1210
REJ09B0245-0400
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AN12
AN13
AN14
AN15
AV
V
AV
ADTRG
Legend:
ADCR:
ADCSR:
ADDRA:
ADDRB:
ADDRC:
ADDRD:
ref
CC
SS
Block Diagram
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
10-bit D/A
converter
Sample-and-
hold circuit
Figure 16.1 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
signal