MOD5234-100IR NetBurner Inc, MOD5234-100IR Datasheet - Page 292
![MOD5234 10/100 ETHERNET MODULE](/photos/28/91/289101/mod-100ir_sml.jpg)
MOD5234-100IR
Manufacturer Part Number
MOD5234-100IR
Description
MOD5234 10/100 ETHERNET MODULE
Manufacturer
NetBurner Inc
Type
Controllers & Processorsr
Datasheets
1.MOD5272-100IR.pdf
(3 pages)
2.MOD5234-100IR.pdf
(4 pages)
3.MOD5234-100IR.pdf
(754 pages)
Specifications of MOD5234-100IR
Interface
I²C, SPI, UART
Voltage - Supply
2.5V
Mounting Type
Surface Mount
Package / Case
Module
Product
Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Format
-
Baud Rates
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
Q4483564
- Current page: 292 of 754
- Download datasheet (13Mb)
DMA Controller Module
DSRn[DONE], shown in
When a transfer sequence is initiated and BCRn[BCR] is not a multiple of 16, 4, or 2 when the
DMA is configured for line, longword, or word transfers, respectively, DSRn[CE] is set and no
transfer occurs. See
14.3.4.1 DMA Status Registers (DSR0–DSR3)
In response to an event, the DMA controller writes to the appropriate DSRn bit,
a write to DSRn[DONE] results in action.
14-8
Bits
7
6
5
4
3
2
Name
REQ
BES
BED
Address
CE
—
—
Reset
Section 14.3.4.1, “DMA Status Registers
W
R
Reserved, should be cleared.
Configuration error. Occurs when BCR, SAR, or DAR does not match the requested
transfer size, or if BCR = 0 when the DMA receives a start condition. CE is cleared at
hardware reset or by writing a 1 to DSR[DONE].
0 No configuration error exists.
1 A configuration error has occurred.
Bus error on source
0 No bus error occurred.
1 The DMA channel terminated with a bus error during the read portion of a transfer.
Bus error on destination
0 No bus error occurred.
1 The DMA channel terminated with a bus error during the write portion of a transfer.
Reserved, should be cleared.
Request
0 No request is pending or the channel is currently active. Cleared when the channel is
1 The DMA channel has a transfer remaining and the channel is not selected.
Figure 14-7. DMA Status Registers (DSRn)
Figure
selected.
0
0
7
Table 14-3. DSRn Field Descriptions
14-7, is set when the block transfer is complete.
CE
MCF5235 Reference Manual, Rev. 2
0
6
BES
0
5
See
BED
0
4
Figure 14-6
Description
0
0
3
REQ
(DSR0–DSR3).”
2
0
BSY
0
1
DONE
0
0
Freescale Semiconductor
Figure
14-7. Only
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