Section 23 A/D Converter
Rev. 1.00 Mar. 12, 2008 Page 896 of 1178
REJ09B0403-0100
Module data bus
Control circuit
Internal data
bus
10-bit D/A
Comparator
+
Sample-and-hold
circuit
ADI interrupt
signal
Conversion start trigger
from TMR_0
A
D
C
S
R
A
D
C
R
A
D
D
R
D
A
D
D
R
C
A
D
D
R
B
A
D
D
R
A
A
D
D
R
H
A
D
D
R
G
A
D
D
R
F
A
D
D
R
E
Successive approximations
register
[Legend]
ADCR: A/D control register
ADCSR: A/D control/status register
ADDRA: A/D data register A
ADDRB: A/D data register B
ADDRC: A/D data register C
ADDRD: A/D data register D
ADDRE: A/D data register E
ADDRF: A/D data register F
ADDRG: A/D data register G
ADDRH: A/D data register H
AVCC
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
ADTRG
AVref
Multiplexer
Bus interface
AVSS
Figure 23.1 Block Diagram of the A/D Converter
Содержание H8S Family
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