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基于單片機(jī)的多路數(shù)字溫度測(cè)量系統(tǒng)設(shè)計(jì)(參考版)

2024-11-14 02:48本頁(yè)面
　　

【正文】 **************************************************************** CRC8CAL: PUSH ACC MOV R7,08H CRC8LOOP1: XRL A,B RRC A MOV A,B JNC CRC8LOOP2 XRL A,18H CRC8LOOP2: RRC A MOV B,A POP ACC RR A PUSH ACC DJNZ R7,CRC8LOOP1 POP ACC RET END 26 ： 22uFC4D10C510uFR1240Ω10uFC1S1R32KS2S3S4S5C230pFC330pF12MHZR55.1KSPEAKERD1D2D3D4D5D6D7D89012*9abfcgdeDPY1234567abcdefg8dpdp9abfcgdeDPY1234567abcdefg8dpdp9abfcgdeDPY1234567abcdefg8dpdp9abfcgdeDPY1234567abcdefg8dpdp990129012901290124.7K*4680Ω*85.1K*87 4 H C 5 7 3R21KC647uFD9IN4007+5V/1.5A888410K*4IN400734R4680Ω+5V+5V+8V+5V+5V+5V+5V4A1B2C3G16Vcc16G2A4G2B5Y69Y510Y411Y312Y213Y114Y015Y77GND874LS138A1B2C3G16Vcc16G2A4G2B5Y69Y510Y411Y312Y213Y114Y015Y77GND874LS138Q019Q118Q217Q316Q415Q514Q613Q712OE1LE11D02D13D24D35D46D57D68D79G N D10 V cc 20U0+5VU1U7R1110KTextLM358R1010K23841RF100KTextLM35823841R2610K +5V+5VR1310KTextLM358R1210K23841RF100KTextLM35823841R2710K +5V+5V+5VR2510KTextLM358R2410K23841RF100KTextLM35823841R3310K +5V+5V+5VR3510KR3410KR4110K7 4 H C 5 7 3123L M 3 5+5V123L M 3 5+5V123L M 3 5+5VLM117P1.0/ADC01P1.1/ADC12P1.2/ADC23P1.3/ADC34P1.4/ADC45P1.5/ADC56P1.6/ADC67P1.7/ADC78RST9P3.0/RXD10P3.1/TXD11P3.2/INT012P3.3/INT113P3.5/T115P3.6/WR16P3.7/RD17XTAL218XTAL119GND20P2.021P2.122P2.223P2.324P2.425P2.526P2.627P2.728NA29ALE30EX_LVD31P0.732P0.633P0.534P0.435P0.336P0.237P0.138P0.039Vcc40P3.4/T014STC12C5A32AD。 **************************************************************** 。 單字節(jié)十六進(jìn)制 轉(zhuǎn) BCD 。共陽(yáng)段碼表 “ 0” “ 1” “ 2” “ 3” “ 4” “ 5” “ 6” “ 7” “ 8” “ 9” “ 不亮 ” “ — ” DL1MS: MOV R6,14H DL1: MOV R7,19H 25 DL2: DJNZ R7,DL2 DJNZ R6,DL1 RET 。 顯示數(shù)據(jù) 在 70H— 73H 單元內(nèi)，用 4 位 LED 共陽(yáng)數(shù)碼管顯示， P1 口輸出段碼數(shù)據(jù)，；P3 口作掃描控制，每個(gè) LED 數(shù)碼管亮 1ms 時(shí)間再逐位循環(huán)。 顯示子程序 。 **************************************************************** LMBCD: MOV A,TEMPLC ANL A,0FH MOV 70H,A MOV A,TEMPLC SWAP A ANL A,0FH MOV 71H,A MOV A,TEMPHC ANL A,0FH MOV 72H,A MOV A,TEMPHC SWAP A ANL A,0FH MOV 73H,A MOV A,TEMPHC ANL A,0F0H CJNZ A,010H,DISPBCD0 SJMP DISPBCD2 LMBCD0: MOV A,TEMPHC ANL A,0FH JNZ DISPBCD2 MOV A,TEMPHC SWAP A ANL A,0FH 24 MOV 73H,0AH MOV 72H,A LMBCD2: RET 。 **************************************************************** 。 小數(shù)部分碼表 。 **************************************************************** CONVTEAMP: MOV A,TEMPH ANL A,80H JZ TEMPC1 CLR C MOV A,TEMPL CPL A ADD A,01H MOV TEMPL,A MOV A,TEMPH CPL A ADDC A,00H MOV TEMPH,A MOV TEMPHC,0BH S
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