Functions; B.2 Functions - Hitachi H8S/2646 Hardware Manual

B.2

Functions

Register
acronym
DACR—D/A Control Register
Bit
numbers
Bit
Initial bit
values
Initial value
Read/Write
Possible types of access
R Read only
W Write only
R/W Read and write
874
Register
name
H'FFFA
7 6 5
DAOE1 DAOE0 DAE
0 0 0
R/W R/W R/W
D/A Enabled
DAOE1 DAOE0
0
1
D/A Output Enable 0
0 Analog output DA0 disabled
1 Channel 0 D/A conversion enabled.
Analog output DA0 enabled
D/A Output Enable 1
0 Analog output DA1 disabled
1 Channel 1 D/A conversion enabled.
Analog output DA1 enabled
Address to which the
register is mapped
4 3 2
— — —
1 1 1
— — —
DAE Conversion result
0 * Channel 0 and 1 D/A conversion disabled
1 0 Channel 0 D/A conversion enabled
Channel 1 D/A conversion disabled
1 Channel 0 and 1 D/A conversion enabled
0 0 Channel 0 D/A conversion disabled
Channel 1 D/A conversion enabled
1 Channel 0 and 1 D/A conversion enabled
1 Channel 0 and 1 D/A conversion enabled
*
Name of
on-chip
supporting
module
D/A Converter
1 0
— —
Names of the
1 1
bits. Dashes
— —
(—) indicate
reserved bits.
Full name
of bit
Descriptions
of bit settings