HD6432621 Hitachi, HD6432621 Datasheet - Page 651
HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
(1069 pages)
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Bit 5—D/A Enable (DAE): Controls D/A conversion, together with bits DAOE0 and DAOE1.
When the DAE bit is cleared to 0, D/A conversion is controlled independently in channels 2 and 3.
When the DAE bit is set to 1, D/A conversion is controlled together in channels 2 and 3.
Output of the conversion result is always controlled independently by bits DAOE0 and DAOE1.
Bit 7
DAOE1
0
0
If the chip enters software standby mode while D/A conversion is enabled, the D/A output is
retained and the analog power supply current is the same as the analog power supply current
during D/A conversion. If it is necessary to reduce the analog power supply current in software
standby mode, D/A output should be disabled by clearing both the DAOE0 bit and the DAOE1 bit
to 0.
Bits 4 to 0—Reserved: These bits are always read as 1, and cannot be modified.
Bit 6
DAOE0
0
1
0
1
Bit 5
DAE
*
0
1
0
1
*
Description
D/A conversion is disabled in channels 2 and 3 (Initial value)
D/A conversion is enabled in channel 2
D/A conversion is disabled in channel 3
D/A conversion is enabled in channels 2 and 3
D/A conversion is disabled in channel 2
D/A conversion is enabled in channel 3
D/A conversion is enabled in channels 2 and 3
D/A conversion is enabled in channels 2 and 3
*: Don’t care
607
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