Section 18 D/A Converter; Features - Hitachi H8S/2378, H8S/2378R Series Hardware Manual

18.1

Features

D/A converter features are listed below.
• 8-bit resolution
• Six 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
• Setting the module stop mode
Vref
AV
CC
DA5
DA4
DA3
DA2
DA1
DA0
AV
SS
Legend
DADR0: D/A data register 0
DADR1: D/A data register 1
DADR2: D/A data register 2
DADR3: D/A data register 3
DADR4: D/A data register 4
DADR5: D/A data register 5
DACR01: D/A control register 01
DACR23: D/A control register 23
DACR45: D/A control register 45

Section 18 D/A Converter

Module data bus
8-bit
D/A
Figure 18.1 Block Diagram of D/A Converter
Control circuit
Rev. 1.0, 09/01, page 753 of 903
Internal data bus