Datasheet

Section 18 D/A Converter
Rev.7.00 Mar. 18, 2009 page 827 of 1136
REJ09B0109-0700
• DACR23
Bit Bit Name Initial Value R/W Description
7 DAOE3 0 R/W D/A Output Enable 3
Controls D/A conversion and analog output.
0: Analog output (DA3) is disabled
1: Channel 3 D/A conversion is enabled; analog output
(DA3) is enabled
6 DAOE2 0 R/W D/A Output Enable 2
Controls D/A conversion and analog output.
0: Analog output (DA2) is disabled
1: Channel 2 D/A conversion is enabled; analog output
(DA2) is enabled
5 DAE 0 R/W D/A Enable
Used together with the DAOE2 and DAOE3 bits to
control D/A conversion. When the DAE bit is cleared to
0, channel 2 and 3 D/A conversions are controlled
independently. When the DAE bit is set to 1, channel 2
and 3 D/A conversions are controlled together.
Output of conversion results is always controlled
independently by the DAOE2 and DAOE3 bits. For
details, see table 18.3.
4 to
0
— All 1 — Reserved
These bits are always read as 1 and cannot be modified.
Table 18.3 Control of D/A Conversion
Bit 5
DAE
Bit 7
DAOE3
Bit 6
DAOE2 Description
0 0 0 D/A conversion disabled
1 Channel 2 D/A conversion enabled, channel3 D/A conversion disabled
1 0 Channel 3 D/A conversion enabled, channel2 D/A conversion disabled
1 Channel 2 and 3 D/A conversions enabled
1 0 0 D/A conversion disabled
1 Channel 2 and 3 D/A conversions enabled
1 0
1