Table of Contents
Advertisement
Bit 7—D/A Output Enable 1 (DAOE1): Controls D/A conversion and analog output.
Bit 7
DAOE1
Description
0
DA
analog output is disabled
1
1
Channel-1 D/A conversion and DA
Bit 6—D/A Output Enable 0 (DAOE0): Controls D/A conversion and analog output.
Bit 6
DAOE0
Description
0
DA
analog output is disabled
0
1
Channel-0 D/A conversion and DA
Bit 5—D/A Enable (DAE): Controls D/A conversion, together with bits DAOE0 and DAOE1.
When the DAE bit is cleared to 0, analog conversion is controlled independently in channels 0
and 1. When the DAE bit is set to 1, analog conversion is controlled together in channels 0 and 1.
Output of the conversion results is always controlled independently by DAOE0 and DAOE1.
Bit 7
Bit 6
Bit 5
DAOE1
DAOE0
DAE
0
0
—
1
0
1
1
0
0
1
1
—
When the DAE bit is set to 1, even if bits DAOE0 and DAOE1 in DACR and the ADST bit in
ADCSR are cleared to 0, the same current is drawn from the analog power supply as during A/D
and D/A conversion.
Bits 4 to 0—Reserved: These bits cannot be modified and are always read as 1.
analog output are enabled
1
analog output are enabled
0
Description
D/A conversion is disabled in channels 0 and 1
D/A conversion is enabled in channel 0
D/A conversion is disabled in channel 1
D/A conversion is enabled in channels 0 and 1
D/A conversion is disabled in channel 0
D/A conversion is enabled in channel 1
D/A conversion is enabled in channels 0 and 1
D/A conversion is enabled in channels 0 and 1
Section 16 D/A Converter
Rev. 4.00 Jan 26, 2006 page 597 of 938
REJ09B0276-0400
Advertisement
Table of Contents
