MOD5272-100IR NetBurner Inc, MOD5272-100IR Datasheet - Page 461
![PROCESSOR MODULE FLASH MOD5272](/photos/6/75/67555/mod5272-100ir_sml.jpg)
MOD5272-100IR
Manufacturer Part Number
MOD5272-100IR
Description
PROCESSOR MODULE FLASH MOD5272
Manufacturer
NetBurner Inc
Type
Controllers & Processorsr
Datasheets
1.MOD5272-100IR.pdf
(2 pages)
2.MOD5272-100IR.pdf
(3 pages)
3.MOD5272-100IR.pdf
(550 pages)
Specifications of MOD5272-100IR
Module/board Type
Processor Module
Ethernet Connection Type
10/100 Ethernet Port RJ-45
Operating Voltage
3.3 V
Product
Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
MOD5272
For Use With
528-1001 - KIT DEVELOP NETWORK FOR MOD5272
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
528-1008
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MOTOROLA
Table 20-6 lists the bytes that should be driven on the data bus during read cycles by the
external peripheral device being accessed, and the pattern of the data transfer for write
cycles to the external data bus.
For read cycles, the entries shown as Byte X are portions of the requested operand that are
read. The operand being read is defined by the size of the transfer and A[1:0] for the bus
cycle. Bytes labeled “X” are don’t cares and are not required during that read cycle. Bytes
labeled “–” are not valid transfers.
For write cycles from the internal multiplexer of the MCF5272 to the external data bus
A[1:0] is incremented according to the transfer size. For example, if a longword transfer is
generated to a 16-bit port, the MCF5272 starts the cycle with A[1:0] set to 0x0 and reads
the first word. The address in then incremented to 0x2 and the second word is read. The data
for both word reads is taken from D[31:16]. Bytes labeled “X” are don’t cares.
Table 20-5. Byte Strobe Operation for 16-Bit Data Bus—SDRAM Cycles
Table 20-4. Byte Strobe Operation for 16-Bit Data Bus—SRAM Cycles
Table 20-3. Byte Strobe Operation for 32-Bit Data Bus (Continued)
BS3 BS2 BS1 BS0
1
0
0
1
0
0
0
1
0
BS1 BS0 Access Size Data Located On
BS3 BS2
1
1
0
0
1
1
0
0
0
1
0
Chapter 20. Bus Operation
1
0
1
0
1
0
1
0
Access Type
SDRAM
SDRAM
SDRAM
Access
None
None
Word
Type
Word
Byte
Byte
Byte
Byte
Access Size Data Located On
Data Located On
Longword
Word
D[31:24]
D[23:16]
D[31:16]
D[23:16]
D[31:24]
D[31:16]
—
—
D[31:16]
D[15:0]
D[31:0]
Data Transfer Mechanism
20-7
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