NNDK-MOD5272-KIT NetBurner Inc, NNDK-MOD5272-KIT Datasheet - Page 220
NNDK-MOD5272-KIT
Manufacturer Part Number
NNDK-MOD5272-KIT
Description
KIT DEVELOP NETWORK FOR MOD5272
Manufacturer
NetBurner Inc
Series
ColdFire®r
Datasheets
1.MOD5272-100IR.pdf
(2 pages)
2.MOD5272-100IR.pdf
(550 pages)
3.NNDK-MOD5282-KIT.pdf
(2 pages)
Specifications of NNDK-MOD5272-KIT
Main Purpose
*
Embedded
*
Utilized Ic / Part
MOD5272
Primary Attributes
*
Secondary Attributes
*
Processor To Be Evaluated
MOD5272
Interface Type
RS-232, RS-485, USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Other names
528-1001
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- Download datasheet (6Mb)
DMA Address Modes
10.2 DMA Address Modes
The DMA address mode determines how the address output by the channel is updated after
a transfer to be ready for the next transfer. The two following modes are supported:
10.3 DMA Controller Registers
The MCF5272 DMA controller supports a single DMA channel which can be used for
memory-to-memory transfers.
10.3.1 DMA Mode Register (DMR)
The DMR controls various operation modes, principally the request and addressing modes.
Fields include the transfer size and modifier, transfer direction, channel enable and reset.
Table 10-2 describes DMR fields.
10-2
Reset
Reset
Field RESET
Field
Addr
R/W
R/W
• Static address mode—The address remains unchanged after the transfer completes.
• Increment address mode—In increment address mode, the address is incremented at
This mode should be used when the source or destination address is the FIFO data
port of an on-chip peripheral.
the end of the transfer by the number of bytes transferred. This mode should be used
when a source or destination address is in external memory.
—
31
15
0
14
EN
30
DSTM
01
29
13
Figure 10-1. DMA Mode Register (DMR)
12
DSTT
1_00
10
MCF5272 User’s Manual
9
DSTS
0000_0000_0000_0000
01
MBAR + 0x00E0
—
8
R/W
R/W
—
0
7
—
0
6
SRCM
1
5
4
20 19
SRCT
1_01
RQM
18 17
2 1
MOTOROLA
SRCS
01
—
16
0
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