HD64F2638F20J Datasheet, PDF (1208/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Appendix B Internal I/O Register
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
B.2 Functions
Register
acronym
Register
name
Address to which the
register is mapped
Name of
on-chip
supporting
module
Bit
numbers
Initial bit
values
DACR⎯D/A Control Register
H'FFFA
Bit
7
6
5
4
DAOE1 DAOE0 DAE
⎯
Initial value
0
0
0
1
Read/Write R/W
R/W
R/W
⎯
Possible types of access
R Read only
W Write only
R/W Read and write
D/A Enabled
DAOE1 DAOE0 DAE
0
0
*
1
0
1
1
0
0
1
1
*
D/A Converter
3
2
1
0
⎯
⎯
⎯
⎯
1
1
1
1
⎯
⎯
⎯
⎯
Conversion result
Channel 0 and 1 D/A conversion disabled
Channel 0 D/A conversion enabled
Channel 1 D/A conversion disabled
Channel 0 and 1 D/A conversion enabled
Channel 0 D/A conversion disabled
Channel 1 D/A conversion enabled
Channel 0 and 1 D/A conversion enabled
Channel 0 and 1 D/A conversion enabled
Names of the
bits. Dashes
(⎯) indicate
reserved bits.
Full name
of bit
Descriptions
of bit settings
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
Page 1158 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010