MOD5272-100IR NetBurner Inc, MOD5272-100IR Datasheet - Page 204
![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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Performance
In self-refresh mode, SDRAM devices can refresh themselves without an external clock.
After power-down completes, SDCR[SLEEP] is set, the SDRAM clock output is driven
high, and SDCLKE is driven low.
To wake up the SDRAMs, SDCR[GSL] must be cleared. SDCR[SLEEP] remains set while
the SDRAM is exiting sleep mode and is cleared when the SDRAM completes the correct
sequence to exit sleep mode.
9.8 Performance
The maximum performance of the SDRAM controller is determined by the required
number of cycles for page activation and precharge. The read access is influenced by the
CAS latency. All SDRAM accesses are in page mode. The following table shows the
number of required cycles including all dead cycles for each type of read/write SDRAM
access. It assumes default timing configuration using an at least PC100-compliant SDRAM
device at 66 MHz. Page miss latency includes the cycles to precharge the last open page
and activate the new page before the read/write access. There are no precharge cycles when
an address hits an open page.
In Table 9-9, the timing configuration is RTP = 61, RC = negligible, RCD = 0 (or 1), RP = 1
(or 0), and CLT = 1.
In Table 9-10, the timing configuration is RTP = 61, RC = negligible, RCD = 0, RP = 0, and
CLT = 1.
9-10
Table 9-9. SDRAM Controller Performance, 32-Bit Port, (RCD = 0, RP = 1) or
Single-beat read
Single-beat write
Burst read
Burst write
SDRAM Access
Page miss
Page hit
Page miss
Page hit
Page miss
Page hit
Page miss
Page hit
MCF5272 User’s Manual
(RCD = 1, RP = 0)
8
5
6
3
8-1-1-1 = 11
5-1-1-1 = 8
6-1-1-1 = 9
3-1-1-1 = 6
REG = 0, INV = 0
Number of System Clock Cycles
9
6
6
3
9-1-1-1 = 12
6-1-1-1 = 9
6-1-1-1 = 9
3-1-1-1 = 6
REG = 1, INV = 0
MOTOROLA
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