D12320VF25IV Datasheet, PDF (1151/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Appendix B Internal I/O Registers
DMAWER—DMA Write Enable Register
(Not supported in H8S/2321)
H'FF00
DMAC
Bit
:
7
DMAWER : —
Initial value :
0
Read/Write : —
6
5
—
—
0
0
—
—
4
3
2
1
0
— WE1B WE1A WE0B WE0A
0
0
0
0
0
—
R/W
R/W
R/W
R/W
Write Enable 0A
0 Writes to all bits in DMACR0A,
and bits 8, 4, and 0 in DMABCR
are disabled
1 Writes to all bits in DMACR0A,
and bits 8, 4, and 0 in DMABCR
are enabled
Write Enable 0B
0 Writes to all bits in DMACR0B, bits 9,
5, and 1 in DMABCR, and bit 4 in
DMATCR are disabled
1 Writes to all bits in DMACR0B, bits 9,
5, and 1 in DMABCR, and bit 4 in
DMATCR are enabled
Write Enable 1A
0 Writes to all bits in DMACR1A, and bits
10, 6, and 2 in DMABCR are disabled
1 Writes to all bits in DMACR1A, and bits
10, 6, and 2 in DMABCR are enabled
Write Enable 1B
0 Writes to all bits in DMACR1B, bits 11, 7, and 3 in
DMABCR, and bit 5 in DMATCR are disabled
1 Writes to all bits in DMACR1B, bits 11, 7, and 3 in
DMABCR, and bit 5 in DMATCR are enabled
Rev.6.00 Sep. 27, 2007 Page 1119 of 1268
REJ09B0220-0600