Datasheet

Table Of Contents
Section 17 D/A Converter
REJ09B0140-0900 Rev. 9.00 Page 619 of 846
Sep 16, 2010
H8S/2215 Group
Section 17 D/A Converter
This LSI includes a D/A converter with 2 channels.
17.1 Features
D/A converter features are listed below.
8-bit resolution
Two output channels
Maximum conversion time of 10 µs (with 20 pF load)
Output voltage of 0 V to Vref
D/A output hold function in software standby mode
Module stop mode can be set
Figure 17.1 shows a block diagram of the D/A converter.
Module data bus Internal data bus
V
ref
AVCC
DA1
DA0
AVSS
Legend:
DACR: D/A control register
DADR0: D/A data register 0
DADR1: D/A data register 1
8 bit D/A
Control cycle
D
A
D
R
0
D
A
D
R
1
D
A
C
R
Bus interface
Figure 17.1 Block Diagram of D/A Converter
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