ʶһѵ¡ͧ 68HC11

ҹͧ 68HC11


68HC11 ҹ 4 ѧ
1. ԧŪ (Single-chip Operating Mode)
2. ŵ硫 (Expanded Multiplexed Operating Mode)
3. ٵ绾 (Special Bootstrap Operating Mode)
4. ͺ (Special test Operating Mode)

ԧŪԻ

68HC11 ҹѧ ҡ 68HC11 ˹ 쵶֧ 5 ѧҹԧŪԻ١¡˹ ͡ҹ Ѻ͡

ѧ 68HC11 ͧ˹͡ ԻԹصҵص͡ ҹ Ŵŧҡ ͧԻ͡ʹѺʹع ͡ҡѧ ٧ شѭҳ͡ ͡ԴԴҴŴŧ

ҧ 68HC11 ˹ ö ˹к ǧͧ 68HC11 ҹ ʴѧٻ 7

ŵ

ҹͧ 68HC11 ҧѺԧŪԻ Ǻҹͧ ˹͡ B C ͧ 68HC11 ˹繺ʹ ѧࡵ ҡͧ͡ 68HC11 ٻ 1   B ˹繺ʹ亵٧ ǹ C ˹繺ʹ亵 кʢ

C ö駺ʹкʢ ͧкǹ¡ ŵ (Multiplexed) ¡ѭҳʹҹ ͧǧŵ͡ ѧҧǧٻ 8

ѭҳǺŵ硫ѭҳʹ ѭҳ STROBE B/R/W (STRB/R/W) ѭҳ STROBE A/ADDRESS STROBE (STRA/AS)

68HC11 öԴ͡Ѻ˹͡٧ش֧ 64 亵 ͧػóҡ˹ԻԹصҵ ͧк٧ ҧ ҹҡش ö˹ ҡͧ ٻ 9 68HC11 ŵ

ٵ绾

ҹ¡ѺẺԧŪԻ ͹öҹѧ ԧŪС ö¹ŴԻ úٵ١è㹺ٵӹǹ 192 亵 ö¡͡ ҹ 68HC11 ҹٵ绹 ٵʹ $BF40-$BFFF

¡ҹ ǹ SCI (Serial Communication Interface) ѧ Իʹ $0000-$00FF ѧҡʹ $00FF º ٨ҹ ʹ $0000

ҹ 68HC11 ҹҹ SCI ѧҡ ǹ SCI ҹѭҳԡ E/16 (ѵʹҡ 7,812 Ѻѭҳԡ 2 Îõ)

ѧѡɳҹ͹ҧաС˹ ͧѹѴ͡ Եͧѹ (Security Bit) ͧ ҡԵͧѹ١ "1" ҵصͧǹ SCI (ҡٻ 1) $FF ͡ ١ź Ի ҧçѹԵͧѹ شҹǧԻ١ ͡͡ҹǹ SCI

ҹͧǹŴ 256 亵 ѧҹʹ $0000 ءҧºҹʹ $0000 ҹ

Թѻǡͧ 68HC11 ١ҹ ö֧˹ Թѻҹöҹǹ Թѻǡ 68HC11 ػѧҧ 1

ҡͧҹԹѻ SWI ͧк ö¡ҹ ˹ $00F4, $00F5 $00F6 ԴԹѻ SWI ǡ͡ ҹ $00F4 JUMP öͺʹͧ Թѻ
ѧöҹʹ $0000 ͧǹŴ͹ Ը ѭҳԡ E/16 $55 $FF ѧ ١ ҹʹ $0000 ͧҹǹŴ ѡɳҹ ʴѧٻ 10

ͺ

ҹçҹԵ˹ ҹ֧ѺŵԹѻǡѺ ҡ˹͡ʹ $BFC0-$BFFF ҡʹ $FFC0-$FFFF ը TEST1 Ѻ͡Һ پѺǨͺ

ҹҹ͡ кͧѹ ŧ


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