h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 640

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 21 A/D Converter
A block diagram of the A/D converter is shown in figure 21.1.
Rev. 3.00 Mar 21, 2006 page 586 of 788
REJ09B0300-0300
AN7/CIN8 to CIN15
AN6/CIN0 to CIN7
AV
AV
AV
AN0
AN1
AN2
AN3
AN4
AN5
ADTRG
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
CC
ref
SS
10-bit D/A
Figure 21.1 Block Diagram of A/D Converter
Sample-and-hold
circuit
Comparator
+
A
D
D
R
A
Module data bus
A
D
D
R
B
A
D
D
R
C
A
D
D
R
D
Control circuit
A
D
C
S
R
A
D
C
R
Conversion start trigger from 8-bit timer
Internal data bus
ADI interrupt signal
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