HD64F7050 RENESAS [Renesas Technology Corp], HD64F7050 Datasheet - Page 821
HD64F7050
Manufacturer Part Number
HD64F7050
Description
32-Bit RISC Microcomputer SuperH RISC engine Family/
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD64F7050.pdf
(841 pages)
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Note:
DMAC Operation Register
(DMAOR)
Bit
9, 8
2
1
0
Initial value:
Initial value:
* Only 0 can be written in bits AE and NMIF, after reading 1 from these bits.
Bit name:
Bit name:
Bit Name
Priority mode 1 and 0
(PR1, PR0)
Address error flag (AE) 0
NMI flag (NMIF)
DMAC master enable
(DME)
R/W:
R/W:
Bit:
Bit:
15
—
—
R
R
0
7
0
14
—
—
R
R
0
6
0
Value
0
1
1
0
1
0
1
0
1
0
1
13
—
—
R
R
0
5
0
H'FFFF86B0
(All Channels)
Description
Fixed priority order (CH0 > CH1 > CH2 > CH3)
Fixed priority order (CH0 > CH2 > CH3 > CH1)
Fixed priority order (CH2 > CH0 > CH1 > CH3)
Round robin mode
No address error, DMA transfer enabled (Initial value)
[Clearing condition]
Read AE when AE =1, then write 0 in AE
Address error present, DMA transfer disabled
[Setting condition]
Address error due to DMAC
No NMI input, DMA transfer enabled
[Clearing condition]
Read NMIF when NMIF =1, then write 0 in NMIF
NMI input present, DMA transfer disabled
[Setting condition]
NMI interrupt generated
Operation disabled on all channels
Operation enabled on all channels
Appendix A On-Chip Supporting Module Registers
12
—
—
R
R
0
4
0
Rev. 5.00 Jan 06, 2006 page 801 of 818
11
—
—
R
R
0
3
0
AE
10
—
R
R
0
2
0
16
REJ09B0273-0500
R/(W) *
NMIF
PR1
R/W
9
0
1
0
(Initial value)
(Initial value)
(Initial value)
DMAC
DME
PR0
R/W
R/W
8
0
0
0
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