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Ǥ6264ȤRAMѤƲ⤹롣

RAMΥǡν񤭹

WEȤʤäƤΤǡWE0VΤȤ˻ꤵ줿ɥ쥹˻ꤵ줿ǡ񤭹ߤȤˤʤ롣ΤȤɥ쥹ΰ㤤夬A0бƤ뤳Ȥա

㡧ɥ쥹00001001Ϥ˥ǡ00001111񤭹ϡA0=A4=1ʳA0I/O1==I/O4=1I/O5==I/O8=0Ȥ롣

RAMΥǡɤ߽Ф

RAM˵Ƥǡɤ߽ФˤĤƤϡɥ쥹ꤹǤ롣Ʊɤ߽ФüOE5Vˤ롣ĤޤüҼΤϡOEȤʤäƤΤǡOEϤ0VˤФ褤Ʊɤ߽ФϽ񤭹ߤػߤΤǡWE5VˤʤФʤʤ

RAMΥǡɤ߽񤭲ϩ

ҤȤĤRAMΥǡɤ߽񤭤򤵤ˤϡ3Ĥ꤬롣

  • 1ɤߡ񤭤ҤȤĤΥåڤؤ롣
  • 2ɤ߽ФLED餻ȡLEDޤޤˤʤäƤޤǡɤ߽ФȤϡLED֤ǧǤ褦߷פ
  • 3I/OüҤˤʤΤǡǡή򤦤ޤڤ괹ʤФʤʤ

1

ñ1Υå2ĻȤäƤޤ̵̤¿Τǡ2Υå1ĻȤäƼ¸롣

Τ褦߷פȡSW2ON1³ȤˡOEüҤ1WEüҤ0ˤʤꡢRAMˤȤäƤϥǡɤ߽ФȲᤵ롣SW2ON2³ȤˡOEüҤ0WEüҤ1ˤʤꡢRAMˤȤäƤϥǡν񤭹ߤȲᤵ롣ݥȤϥå˷ҤäۤGNDľ뤵Τǡ0VˤʤȤȤ

2

å⤱й⤤ۤLEDľƤȤˡޤˤû֤ʤΤǤϤߤʤʤäƤޤΤᡢ㤨Фִ֤Ϥ1äȤˡξ֤θѲƤϤ1Τޤ¸³

¸ŪϩȤեåץեå롣եåץեåפϤִ֤οξ֤¸ϩǤ롣եåץեåפȤä߷פϸǹ뤬ǤϤޤեåץեåפ¢ƤʥåϩȤȤˤ롣ΥåϩȤRAMɤ߽Фǡݻ롣åϩΤON/OFF뤳ȤǡΤȤLEDγǧǤ褦߷פ롣

ǤϡDեåץեå (3ơ) ¢줿SN74ALS576BNǡˤȤȤˤ롣

3

RAMI/OüҤ鿭ӤƤǡХοήˤʤäƤ롣RAMɤߡ񤭤ˤ椬ή椷ʤФʤʤ¸뤿ˤ꡼ơȥХåեϩѤ롣

Ǥϥ꡼ơȥХåեϩICȤơSN74ALS541NǡˤȤȤˤ롣

OEüҡʥ֥͡üҡˤ2Ĥ뤬OE1ΤҤȤĤȤʤΤǡOE2ΤۤϤƤ
ơOE10VΤȤOE1ʤΤ0Vǥ֥͡뤬ͭˤʤˡA1A8ü2ü9ˤä褿ǡϤY8Y1ü11ü18ˤήOE15VΤȤϡA1A8ü2ü9ˤä褿ǡϤ򤻤ߤ롣

OE10VΤȤ

OE11VΤȤ

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RAM 6264ư椹

ϩ

Ѥ

  • SRAM
    • 6264
  • åϩ
    • SN74ALS576BN
  • ꡼ơȥХåեϩ
    • SN74ALS541N
  • ֿLED
    • 8
    • 10k2
    • 8
    • 330
    • 8
  • 񹳴
    • 10k
    • 3
  • ȥ륹å
    • 2
  • DIPå8
    • 2

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  • ؤϤƤĤǥϩ