MOD5272-100IR NetBurner Inc, MOD5272-100IR Datasheet - Page 111
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
4.3.2.3 Programming RAMBAR for Power Management
Depending on the configuration defined by RAMBAR, instruction fetch accesses can be
sent to the SRAM module, ROM module, and instruction cache simultaneously. If the
access is mapped to the SRAM module, it sources the read data, discarding the instruction
cache access. If the SRAM is used only for data operands, setting RAMBAR[SC,UC]
lowers power dissipation by disabling the SRAM during all instruction fetches.
Additionally, if the SRAM holds only instructions, setting RAMBAR[SD,UD] reduces
power dissipation.
Consider the examples on Table 4-3 of typical RAMBAR settings:
ROMBAR can be configured similarly, as described in Section 4.4.2.2, “Programming
ROMBAR for Power Management.”
4.4 ROM Overview
The ROM modules has the following features:
4.4.1 ROM Operation
The ROM module contains tabular data that the ColdFire core can access in a single cycle.
The ROM can be located on any 16-Kbyte address boundary in the 4-Gbyte address space.
Section 4.1, “Interactions between Local Memory Modules,” describes priorities when a
fetch address hits multiple local memory resources.
• 16-Kbyte ROM, organized as 4K x 32 bits
• Contains data tables for soft HDLC (high-level data link control)
• The ROM contents are not customizeable
• Single-cycle access
• Physically located on ColdFire core's high-speed local bus
• Byte, word, longword address capabilities
• Programmable memory mapping
Table 4-3. Examples of Typical RAMBAR Settings
Instructions only
Data only
Both instructions and data
Data Contained in SRAM RAMBAR[7–0]
Chapter 4. Local Memory
0x2B
0x35
0x21
ROM Overview
4-5
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