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EB632 датащи(PDF) 110 Page - Freescale Semiconductor, Inc |
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EB632 датащи(HTML) 110 Page - Freescale Semiconductor, Inc |
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110 / 112 page ![]() Functional Differences Between MSC8101 (Mask 2K42A) and MSC8103 (Mask 2K87M), Rev. 2 110 Freescale Semiconductor Bootloader Program move.l r1,(r7+RFCR);$04 move.l #$00000000,r1 ;RSTATE nop ;due to restriction 6.4.4.a.2 move.l r1,(r7+RSTATE);$08 move.l r1,(r7+RPTR);$0c move.l r1,(r7+RBPTR);$10 move.l r1,(r7+RTEMP);$14 move.l r1,(r7+TSTATE);$18 move.l r1,(r7+TPTR);$1c move.l r1,(r7+TBPTR);$20 move.l r1,(r7+TTEMP);$24 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; Init Page Command routine + wait ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; move.l #$29610000,r1 nop move.l r1,(r6+CPCR);Init command - Page = 01010,code=01011 ; ***wait for command flag to be clear wait2 move.l (r6+CPCR),d1 nop bmtsts #$0001,d1.h; Test with CS bit is setted jt wait2 ;if flag is still setted goback to wait nop ;due to restriction 6.4.4.a.3 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; jmp retry nop ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; nAK move.l #$a1caaaa,d0 debug BSYError move.l #$bbbbbbbb,d0 debug ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; end_ nop jmp r3 ;jmp to Boot start Address endsec |
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