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MAC7200 Datasheet(PDF) 478 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) 478 Page - Freescale Semiconductor, Inc

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BAM Features
MAC7200 Microcontroller Family Reference Manual, Rev. 2
400
Freescale Semiconductor
— Set the EHV bit
19. Wait until program is done (DONE=1)
20. Check that the program was successful (PEG=1)
21. Clear the EHV bit
22. Clear the PGM bit
23. Perform a data fetch on the first instruction in the BAM to indicate that the sequence is complete.
20.2
BAM Features
•
Provides JTAG Lockout Recovery sequence
20.3
BAM Protocol
The BAM uses the AHB-Lite v2.0 specification for its main interface. Figure 20-1 illustrates the
handshaking between the SC4 debug register and the BAM module.
Figure 20-1. BAM Sequence
RESET
start_lockout_recovery
Set bit [9]
in SC4
clear_lockout_recovery
Bit [9] in
SC4 cleared
BAM Code
starts executing
bam_valid
when bam_valid=1
lockout_complete
BAM code executing
Bit [8] in
SC4 set



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