Freescale Semiconductor DSP56366 - Manual (Page 254)

DSP56366 Bootstrap Program
DSP56366 24-Bit Digital Signal Processor User Manual, Rev. 4
A-2 Freescale Semiconductor
; Program ROM, without loading the Program RAM.
;
;
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; Operation mode MD:MC:MB:MA=0011 is reserved.
;
;
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; If MD:MC:MB:MA=01xx, then the Program RAM is loaded from the SHI.
;
;
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; Operation mode MD:MC:MB:MA=1001 is used for burn-in testing.
;
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; Operation mode MD:MC:MB:MA=1010 is reserved
; Operation mode MD:MC:MB:MA=1011 is reserved
;
;
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; If MD:MC:MB:MA=1100, then it loads the program RAM from the Host
; Interface programmed to operate in the ISA mode.
; The HOST ISA bootstrap code expects to read a 24-bit word
; specifying the number of program words, a 24-bit word specifying the address
; to start loading the program words and then a 24-bit word for each program
; word to be loaded. The program words will be stored in
; contiguous PRAM memory locations starting at the specified starting address.
; After reading the program words, program execution starts from the same
; address where loading started.
; The Host Interface bootstrap load program may be stopped by
; setting the Host Flag 0 (HF0). This will start execution of the loaded
; program from the specified starting address.
;
;
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; If MD:MC:MB:MA=1101, then it loads the program RAM from the Host
; Interface programmed to operate in the HC11 non multiplexed mode.
;
; The HOST HC11 bootstrap code expects to read a 24-bit word
; specifying the number of program words, a 24-bit word specifying the address
; to start loading the program words and then a 24-bit word for each program
; word to be loaded. The program words will be stored in
; contiguous PRAM memory locations starting at the specified starting address.
; After reading the program words, program execution starts from the same
; address where loading started.
; The Host Interface bootstrap load program may be stopped by
; setting the Host Flag 0 (HF0). This will start execution of the loaded
; program from the specified starting address.
;
;
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; If MD:MC:MB:MA=1110, then it loads the program RAM from the Host
; Interface programmed to operate in the 8051 multiplexed bus mode,
; in double-strob pin configuration.
; The HOST 8051 bootstrap code expects accesses that are byte wide.