HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 624
HD6417034B
Manufacturer Part Number
HD6417034B
Description
32-Bit RISC Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417034B.pdf
(687 pages)
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Appendix A On-Chip Supporting Module Registers
A.2.28
Start Address: H'5FFFF48
Bus Width: 8/16/32
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Note: * Only 0 can be written, to clear the flag.
Table A.29 DMAOR Bit Functions
Bit
9,8
2
1
0
Rev. 7.00 Jan 31, 2006 page 598 of 658
REJ09B0272-0700
Bit name
Priority mode bits 1, 0
(PR1,PR0)
Address error flag bit
(AE)
NMI flag bit (NMIF)
DMA master enable
bit (DME)
DMA Operation Registers (DMAOR)
15
—
—
—
—
0
7
0
Value Description
0
0
1
1
0
1
0
1
0
1
14
—
—
—
—
0
6
0
0
1
0
1
Priority order is fixed
(Channel 0 > channel 3 > channel 2 > channel 1)
Priority order is fixed (Channel 1 > channel 3 > channel 2 >
channel 0)
Round-robin priority order (Immediately after reset:
Channel 0 > channel 3 > channel 2 > channel 1)
External-pin-alternating mode priority order (Immediately
after reset: Channel 3 > channel 2 > channel 1 > channel
0)
No errors caused by DMAC
Clear Condition: Write 0 in AE after reading AE
Address error caused by DMAC
No NMI interrupt
Clear Condition: Write 0 in NMIF after reading NMIF
NMI interrupt generated
DMA transfer disabled for all channels
DMA transfer enabled for all channels
13
—
—
—
—
0
5
0
12
—
—
—
—
0
4
0
11
—
—
—
—
0
3
0
R/(W) *
AE
10
—
—
0
2
0
R/(W) *
NMIF
R/W
PR1
9
0
1
0
(Initial value)
(Initial value)
(Initial value)
(Initial value)
DMAC
DME
R/W
R/W
PR0
8
0
0
0
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