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MAC7200 Datasheet(PDF) 439 Page - Freescale Semiconductor, Inc

Part # MAC7200
Description  MAC7200 Microcontroller Family Reference Manual
PDF  976 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MAC7200 Datasheet(HTML) 439 Page - Freescale Semiconductor, Inc

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Flash External Pins
MAC7200 Microcontroller Family Reference Manual, Rev. 2
Freescale Semiconductor
361
•LAS = 0
•MAS = 1
18.4
Flash External Pins
There are no Flash or Flash Controller signals that drive or are driven from MCU pins.
18.5
PFLASH Bus Aborts
18.5.1
IPI Register Interface
The H7Fb module does not support Peripheral Bus bus aborts, but this capability is implemented outside
of the H7Fb block, to give the following:
Supervisor Access: Unused.
18.5.2
Flash Array Interface
In addition to Peripheral Bus bus aborts, the flash can also abort array interface (AHB for the MAC72xx)
accesses, for a variety of reasons:
•
Access generated an ECC error
•
Access generated a Read-while-Write violation (e.g.-trying to read the same partition that is being
programmed or erased)
•
Aborting a program/erase high voltage operation
18.6
PFLASH Differences MAC72x2 from MAC71xx
•
All accesses are through a single bus interface, residing on AXBS Slave Port 0
•
Removed Peripheral Bus read/write interface
•
Added ECC (1-bit correction, 2-bit detection)
•
Completely different programming interface for the Flash
•
Removed Configuration Field. Configuration data is now stored at the upper addresses of the
Shadow Block.
•
Program/Erase partitioning changed
— Flash Main Array (Old): 15x4K + 2x196K + 15x4K
— Flash Main Array (New - MAC72x2): 2x128K + 4x16K
— Shadow Block (Old): 2x2K + 1x4K + 2x8K + 1x4K + 2x2K
Table 18-1. PFLASH Bus Aborts
Abort
Allowed
$0000-$002f
$0030-$3fff



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