MOD5234-100IR NetBurner Inc, MOD5234-100IR Datasheet - Page 139
![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: 139 of 754
- Download datasheet (13Mb)
Chapter 6
Static RAM (SRAM)
6.1
This chapter is a description of the on-chip static RAM (SRAM) implementation that covers
general operations, configuration, and initialization. It also provides information and examples
showing how to minimize power consumption when using the SRAM.
6.1.1
6.1.2
The SRAM module provides a general-purpose memory block that the ColdFire processor can
access in a single cycle. The location of the memory block can be specified to any 0-modulo-64K
address within the 4-Gbyte address space. The memory is ideal for storing critical code or data
structures or for use as the system stack. Because the SRAM module is physically connected to
the processor's high-speed local bus, it can service processor-initiated access or
memory-referencing commands from the debug module.
Depending on configuration information, instruction fetches may be sent to both the cache and the
SRAM block simultaneously. If the reference is mapped into the region defined by the SRAM, the
SRAM provides the data back to the processor, and the cache data is discarded. Accesses from the
SRAM module are not cached.
The SRAM is dual-ported to provide DMA or FEC access. The SRAM is partitioned into two
physical memory arrays to allow simultaneous access to both arrays by the processor core and
another bus master. See
6.2
The SRAM programming model includes a description of the SRAM base address register
(RAMBAR), SRAM initialization, and power management.
Freescale Semiconductor
• One 64-Kbyte SRAM
• Single-cycle access
• Physically located on processor's high-speed local bus
• Memory location programmable on any 0-modulo-64 Kbyte address
• Byte, word, longword address capabilities
Introduction
Features
Operation
Register Description
Section 11.3, “Internal Bus Arbitration,”
MCF5235 Reference Manual, Rev. 2
for more information.
6-1
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