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16.1 Overview
The H8/3048 Series includes a D/A converter with two channels.
16.1.1 Features
D/A converter features are listed below.
•
Eight-bit resolution
•
Two output channels
•
Conversion time: maximum 10 µs (with 20-pF capacitive load)
•
Output voltage: 0 V to V
•
D/A outputs can be sustained in software standby mode
16.1.2 Block Diagram
Figure 16-1 shows a block diagram of the D/A converter.
V
REF
AV
CC
DA
0
DA
1
AV
SS
Legend
DACR:
DADR0:
DADR1:
DASTCR:
Section 16 D/A Converter
REF
8-bit D/A
D/A control register
D/A data register 0
D/A data register 1
D/A standby control register
Figure 16-1 D/A Converter Block Diagram
Module data bus
Control circuit
545
On-chip
data bus
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