297
9.1.3
Register Configuration
Table 9-1 summarizes the DTC registers.
Table 9-1
DTC Registers
Name
Abbreviation
R/W
Initial Value
Address
*
1
DTC mode register A
MRA
—
*
2
Undefined
—
*
3
DTC mode register B
MRB
—
*
2
Undefined
—
*
3
DTC source address register
SAR
—
*
2
Undefined
—
*
3
DTC destination address register
DAR
—
*
2
Undefined
—
*
3
DTC transfer count register A
CRA
—
*
2
Undefined
—
*
3
DTC transfer count register B
CRB
—
*
2
Undefined
—
*
3
DTC enable registers
DTCER
R/W
H'00
H'FE16 to H'FE1E
DTC vector register
DTVECR
R/W
H'00
H'FE1F
Module stop control register
MSTPCRA
R/W
H'3F
H'FDE8
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.