HD64F7050 RENESAS [Renesas Technology Corp], HD64F7050 Datasheet - Page 824

• Manufacturer Part Number: HD64F7050
• Description: 32-Bit RISC Microcomputer SuperH RISC engine Family/
• Manufacturer: RENESAS [Renesas Technology Corp]

Appendix A On-Chip Supporting Module Registers
DMA Transfer Count Registers 0 to 3
(DMATCR0 to DMATCR3)
Bit
23 –0
Rev. 5.00 Jan 06, 2006 page 804 of 818
REJ09B0273-0500
Initial value:
Initial value:
Bit name:
Bit name:
R/W:
R/W: R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
Bit:
Bit:
Bit Name
(DMA transfer count specification)
31
15
—
—
R
0
30
14
—
—
R
0
29
13
—
—
R
0
28
12
—
—
R
0
27
11
—
—
R
0
26
10
—
—
R
0
25
—
—
R
0
9
H'FFFF86C8 (Channel 0) 32
H'FFFF86D8 (Channel 1) 32
H'FFFF86E8 (Channel 2)
H'FFFF86F8 (Channel 3)
Description
Specifies the number of DMA transfers (number of
bytes, words, or longwords)
During DMAC operation, indicates the remaining
number of transfers
24
—
—
R
0
8
R/W R/W R/W R/W R/W R/W R/W R/W
23
—
—
7
22
—
—
6
21
—
—
5
20
—
—
4
32
32
19
—
—
3
18
—
—
2
17
—
—
1
DMAC
16
—
—
0