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| Datasheet File OCR Text: |
| CA222M i 2003 - 08 - 01 CA222M ?a13?? ic ?? 1|???? ??2?????3ee??2???2????????? ic ?????????3?2???ee? 2a???2a3?o 1.5m ???e??-????? mcu ??ee?????????1y lcd ??? 2?????????3???ay?e????e?a1?????????2???????o?? ????e???-????????3????-???????????????????2?????? ?t? 1?- ??2????3?22a????-??????? mcu ?3?3?2??3?2?? ??-??????o? mcu ???yl?o????????3????????? 3?2 2a??-o 3?22a??1y2????2a3?2l?o????-????????2????2a3?l?o ????2???2? t, ?o?3??? s=ct/2 ???e? c ?a3?22?? 3?22???? 2???? c ??a?e1???1??a???2???????a????2???? ?? o???a2a?3?2???????????? y? ?a?? 3?2??e? 3?2??e? mcu e?o?| a?2?????e? ?a a?2?????e? ? a l??a l??a 3?2??e? 3?2??e? 3?2??e? 3?2??e? 3?2??e? 3?2??e? ?a?? ??? ?a?? ???
CA222M ii 2003 - 08 - 01 ??? 1|??? 1 ? 1|??1o 10v~15v 2 ? 3?2?ao 40khz 3 ? y??????l????????e???? 4 ? ?ee??o 0.1m~1.5m 5 ? 2a?ee??o 0.1m~2.0m 6 ? ??3?a1?2?o 1? ?????2?????? 7 ? ???o 3.5khz ??2?2????3?2?????2a??3?????o?o?????? 2 ????? ?????????3?2??????y3?22a??-?2a?3??????????o??e ?????3?2?????2a????? lcd ?? ???? ?a???????????????a3? 2??????e??l??y??ao??????e??a????? ??2a?3?????? m cu ???? 36.0ms 3??a?a 40khz ?a?3?? ???a 24.0 s ?a?3????a 384 s ???-?y??a?3?2l???????3?3?2? ????? ???????3?2?-l??????a???e?o? mcu ?2a?1y3?a???ao 384.0 s 30.0ms ? ? t ??e??? t ??al?????????2??12a??????2a??? t ? ?o? 1?? ?3?? ? s = ct/2 ????e c = 340m/s ??????? 0.1m ? ?????????2a? yo t = 3ms ? s = 340 * 3/ ? 2 * 1000 ? = 0.51m l? CA222M iii 2003 - 08 - 01 e?????? o ?2?? 8 a13???2? 2 ?? 4052 ?ae???????a1?? ?a???ao ?????a??o ??? ????-???? ??? ? 1 1.6 ?a 1.5m 2??? bi ---- bi ---- bi ---- 2 1.5 ?a 1.4m 2??? bi ---- b i ---- bi ---- 3 1.4 ?a 1.3m 2??? bi ---- bi ---- bi ---- 4 1.3 ?a 1.2m 2??? bi ---- bi ---- bi ---- 5 1.2 ?a 1.1m 2??? bi ---- bi ---- bi ---- 6 1.1 ?a 1.0m 2??? bi ---- bi ---- bi ---- ???3? 7 1 .0 ?a 0. 9m ??? bi - bi - bi ---- bi - bi - bi 8 0.9 ?a 0.8m ??? bi - bi - bi ---- bi - bi - bi 9 0.8 ?a 0.7m ??? bi - bi - bi ---- bi - bi - bi 10 0.7 ?a 0.6m ??? bi - bi - bi ---- bi - bi - bi ?3? 11 0.6 ?a 0.5m ??? bi - bi - bi - bi - bi - bi ---- 12 0.5 ?a 0.4m ????? bi - bi - bi - bi - bi - bi ---- ???3? 13 0.4m ??a????? bi ----------------------- ?????? note o 1 ? 2.0 ?a 1.5m ??2a?????????2?????? lcd ???????? 3|?2??? 2 ? 0.4 ?a 0.0m ??????????? 2????y?????3? bi ------ ??? a CA222M iv 2003 - 08 - 01 ?2e???o a. bi ---- bi ----- bi ---- 1.5m~1.0m 400 s ? ? b. bi - bi - bi ---- bi - bi - bi 1.0m~0.6m ? ? c. bi - bi - bi - bi - bi - bi ---- 0.6m~0.4m ? ? d. bi ----------------------- 0.4m~0m ? ? 31.2 ms 1.0 s 400 s 30 ms 826.0 ms 40.0 ms 1.0 s 1.0 s 1.0 s CA222M v 2003 - 08 - 01 ??? lcd 1??? s c seg0 seg2 seg4 seg6 seg8 seg10 seg12 s eg14 com0 rf_1 rf_3 b_1 s_13 s_5 com1 lf_1 lf_3 s_body a_1 buzz s_12 s_4 com2 lb_1 lb_3 car_body c_1 s_ 14 s_6 com 3 rb_1 rb_3 dot buzz_1 buzz_3 s_15 s_7 s c seg1 seg3 seg5 seg7 seg9 seg11 seg13 seg15 com0 rf_2 rf_4 g_1 g_2 b_2 s_10 s_2 com1 l f_2 lf_4 f_1 f_2 alarm a_2 s_11 s_3 com2 lb_2 lb_4 e_1 e_2 c_2 s_9 s_1 com3 rb_2 rb_4 d_1 d_2 buzz_2 m s_8 d_1 a_1 b_1 c_ 1 e_1 f_1 g_1 d_2 a_2 b_2 c_2 e_2 f_2 g_2 m |
Price & Availability of CA222M
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