h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 181
h8s-2649
Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2649.pdf
(766 pages)
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8.2.7
DTCER is comprised of seven registers; DTCERA to DTCERG, and DTCERI, and is a register
that specifies DTC activation interrupt sources. The correspondence between interrupt sources and
DTCE bits is shown in table 8.1. For DTCE bit setting, use bit manipulation instructions such as
BSET and BCLR for reading and writing. If all interrupts are masked, multiple activation sources
can be set at one time (only at the initial setting) by writing data after executing a dummy read on
the relevant register.
Bit
7
6
5
4
3
2
1
0
Bit Name
DTCE7
DTCE6
DTCE5
DTCE4
DTCE3
DTCE2
DTCE1
DTCE0
DTC Enable Registers A to G, and I (DTCERA to DTCERG, and DTCERI)
Initial
Value
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
DTC Activation Enable
Setting this bit to 1 specifies a relevant interrupt source
as a DTC activation source.
[Clearing conditions]
•
•
These bits are not cleared when the DISEL bit is 0 and
the specified number of transfers have not been
completed.
When the DISEL bit in MRB is 1 and the data
transfer has ended
When the specified number of transfers have ended
Rev. 2.00 Dec. 05, 2005 Page 143 of 724
Section 8 Data Transfer Controller (DTC)
REJ09B0200-0200
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