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1、? AT89C51 ? !“#$%?-6ABC?DE?FG? ?HIJKLMN ATMEL OP? AT89C51 QRS,T?UVWXYZT?U?IMN LED -_ab?VWX5Yc#d?ef$%wx$%?93.1 ? !A9:93.2 ?BC103.3 DEF?GH113.3.1 AT89C51 ?-“113.3.2 AT89C51 ?IJ/KLM123.3.3 AT89C51 ?NO123.4 ? !?P?QRS,TGH133.4.1 ? !?PUVS,TGH133.4.2 ? !QRUVS,TGH13?W? XT?15Y?5? !?ZUV 15Y?5? !QRUV 16Y?45DEF
2、 17?_? T?185.1 T?Ja185.2 T?-6ABC?DE?FG? ?HI?x?h?K?I#?$ %f?(?I8t?p?b?0o$%?hVf?Ih?VT?U?kl?i? KHz?h?I,aI?klN?GIh?haI?IV?V?I?+?T?U?Y?E?YTU-(?T?UI?T?UVWX?T?U?X?T?U5?IT?UVWXf?X-(?X?iT?UVWXf?-(?U?NI?N?T?UVWX?_B?i?N?LMT?U?9?M,?MT?UXJ_?NSLMT?U?f?, a-?I ?|“?MT?UVWX?I$?#?# 56723489:;?/?S?!?T?U(?X+?9e 2.2?e 2.2
3、 T?U(?X$?$ 23489:?=T?UVWX?3J?Hfkl?H-w?H?N?VWX?H?I? 6 ? ?$?$?# ?=e 2.3 T?UVWX?-rste 2.3 ?T?UVWX?-rstI?40KHz ?T?UVWX?bR?i?R?b?i? ?!i“#?U$?U%?I?ABF?tIhG?Cl58,DtY?,GptYZ?i?gIyE5T?F?T?fSQ?HIgT?X(?X?R?5GYNO?OQRSPQL?QRS?N 12M b?7?+?Y?pt?R?S;?IT?UYZ?i?NTp?D? TOFtime of flight?U5Y?9e 3.1 7?IT?UX$iLT?U?h?U?r?
4、L?T?Uh?V?/V$%?|?uv?I?M-?MIh?M?f?A?(f?h5?d)?klO?W,?cj?T?k?I? 11 ? ?h?M?f?1?T?kl“O?bR?f?cj?k?I?+ijkl,?t?VWX?K?/T?I?kl?VWX?fkl 40KHz?=h?kl?|z?HI?R MCS-51 ?w?4K N? Flash m?X1000 ?“?-?0Hz-24MHz?x?X128x8 Nd? RAM32 I/O “A2 16 ?j?/L?X6 w | UART ?-?BM3.3.3 AT89C51 ?_AT89C51 ?9e 3.3 7?e 3.3 AT89C51 ?ne? 13 ?
5、?hJKL“MN P0 “?fi/ ZLG7289 ?R? N P1 “? P1.0 ?T?U?D? ? P0 ?fl? 10K? ? ZLG7289 ?RI MN P3.3?P3.2 ?-#T?U(?wI MN P3.2 “?w 0 8?w?w2?QRSI3.4 234?a bcd:eXY1X?ij?,Y?KL? J“?1X?O?1XH?FI3.4.1 234?afgd:eXYJB?N?fi/T?U?X? LC ?(? L=6.8mH?C=2200pF) 40KHzL? 41.17KHz?fi/T?U5?T?U?IQRS8? TLP521 ?T?U?IO5N?t?f?o?:?7?JB?N+T
6、LP521 ?IQ18550R21KVCCR15K12J1CON2U1OPTOISO1e 3.4 p521 (A?3.4.2 234bcfgd:eXYLM567 ?N?X?g?5d?F-bIa?O I Q ?UX?O?Xfi/?XAj?X?k? 14 ? ?lIN(1”WKj?kl?-?I“N5?,?,)?,-I?,?I9?wAU?S?k?I?I?H?wMf9?N(? 20 F 1 klc#?f? 100mA ?wI? 0% 14%?F?G?uv:Gj?kl?kl? 0.01Hz 500kHz ? ? 5V-15V?N 8VIe 3.5 LM567 d?e? 15 ? ? ()?v?I!?OT
7、?UVWX?5? ,?X-?X?stX?I!? !“#$%?-6ABC?DE?FG? ?HI?“f“S-5?K?I“S?,(?,L?IQRSN AT89C51IN 12MHz Gpt?b?j?kl?Y?yIQRSN P1.0 ?“?-?Z?T?U?X7?40KHz ?LU?MNw 0 “?YT?U(?X?I?NQN? 3 ? LED ?a?E?N ZLG7289 fi/Iyyh?#?234?ifgT?U?B?T?U?-T?U?K?T?U5?T?U?X? ?N?M?Nz?-?T?UI 1?MNz 40KHz ?T?U? ?8?fi/X?fi/Xfi/2/5?T?UI?L?MNz?rH? ?KLi
8、fi/?h 100mA ?fi/?I ?_?L?MNT?UN?N?T?U? ;?(fi/?XT?UI?L?z?flYfi/?D?rHIJKLN?_?L?T?UI40KHz ?T?U?MN LC ?I?klLM9OM 4-1 ?1 2fLC= (4-1) ? L=6.8mH?C=2200pF?L?:?5 40KHzI?KL9e 4.17? 16 ? ?L1 6.8mHC2 2200PR4 5.1KMK1SENDQ4 9013Q3 9013D1 1N4148Q18550+C1100uFR21KVCCR15K12J1CON2Q29013R3 10K+9VU1OPTOISO1e 4.1 T?UB?eh?$?234bcfgT?U(?B?T?U(?5?, ?B?U?IT?U5?YN5?kli?JKLN?r?MT?UVWX?e?fl?#(?:?fl?(?IO55?2?*U?+Y?B?BI O5?7YZohK;347?NK?B? N LF353 I?i?B 100 ?_?B 50 ?mL?B 5000 ?B?B?c#B?I?B2?
