Register Configuration - Hitachi H8S/2646 Hardware Manual

8.1.3

Register Configuration

Table 8-1 summarizes the DTC registers.
Table 8-1 DTC Registers
Name
DTC mode register A
DTC mode register B
DTC source address register
DTC destination address register
DTC transfer count register A
DTC transfer count register B
DTC enable registers
DTC vector register
Module stop control register A
Notes: *1 Lower 16 bits of the address.
*2 Registers within the DTC cannot be read or written to directly.
*3 Register information is located in on-chip RAM addresses H'EBC0 to H'EFBF. It cannot
be located in external memory space. When the DTC is used, do not clear the RAME
bit in SYSCR to 0.
Abbreviation R/W
* 2
MRA —
* 2
MRB —
* 2
SAR —
* 2
DAR —
* 2
CRA —
* 2
CRB —
DTCER R/W
DTVECR R/W
MSTPCRA R/W
Initial Value Address
*3
Undefined —
*3
Undefined —
*3
Undefined —
*3
Undefined —
*3
Undefined —
*3
Undefined —
H'00 H'FE16 to H'FE1E
H'00 H'FE1F
H'3F H'FDE8
*1
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