Datasheet

Section 18 D/A Converter
Rev.7.00 Mar. 18, 2009 page 826 of 1136
REJ09B0109-0700
• DACR01 (Available only for the H8S/2377, H8S/2377R, H8S/2378 0.18μm F-ZTAT Group,
and H8S/2378R 0.18μm F-ZTAT Group)
Bit Bit Name Initial Value R/W Description
7 DAOE1 0 R/W D/A Output Enable 1
Controls D/A conversion and analog output.
0: Analog output (DA1) is disabled
1: Channel 1 D/A conversion is enabled; analog output
(DA1) is enabled
6 DAOE0 0 R/W D/A Output Enable 0
Controls D/A conversion and analog output.
0: Analog output (DA0) is disabled
1: Channel 0 D/A conversion is enabled; analog output
(DA0) is enabled
5 DAE 0 R/W D/A Enable
Used together with the DAOE0 and DAOE1 bits to
control D/A conversion. When the DAE bit is cleared to
0, channel 0 and 1 D/A conversions are controlled
independently. When the DAE bit is set to 1, channel 0
and 1 D/A conversions are controlled together.
Output of conversion results is always controlled
independently by the DAOE0 and DAOE1 bits. For
details, see table 18.2.
4 to
0
— All 1 — Reserved
These bits are always read as 1 and cannot be modified.
Table 18.2 Control of D/A Conversion
Bit 5
DAE
Bit 7
DAOE1
Bit 6
DAOE0 Description
0 0 0 D/A conversion disabled
1 Channel 0 D/A conversion enabled, channel1 D/A conversion disabled
1 0 Channel 1 D/A conversion enabled, channel0 D/A conversion disabled
1 Channel 0 and 1 D/A conversions enabled
1 0 0 D/A conversion disabled
1 Channel 0 and 1 D/A conversions enabled
1 0
1