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1、 1 1 2 2 3 3 4 4 DD CC BB AA Title NumberRevisionSize A4 Date:2009-10-30Sheet of File:C:Documents and SettingsSheet1.SchDoc Drawn By: DQ 2 GND 1 VCC 3 U1 DS18B20 VCC P1.0/T2 1 P1.1/T2EX 2 P1.2/ECI 3 P1.3/CEX0 4 P1.4/CEX1 5 P1.5/CEX2 6 P1.6/CEX3 7 P1.7/CEX4 8 RST 9 P3.0/RxD 10 P3.1/TxD 11 P3.2/INT0 1
2、2 P3.3/INT1 13 P3.4/T0 14 P3.5/T1 15 P3.6/WR 16 P3.7/RD 17 XTAL2 18 XTAL1 19 VSS 20 P2.0/A8 21 P2.1/A9 22 P2.2/A10 23 P2.3/A11 24 P2.4/A12 25 P2.5/A13 26 P2.6/A14 27 P2.7/A15 28 PSEN 29 ALE/PROG 30 EA/VPP 31 P0.7/AD7 32 P0.6/AD6 33 P0.5/AD5 34 P0.4/AD4 35 P0.3/AD3 36 P0.2/AD2 37 P0.1/AD1 38 P0.0/AD0
3、 39 VCC 40 U5 89C51 TRIG 2 OUT 3 RST 4 CVOLT 5 THR 6 DISC 7 VCC 8 GND 1 U3 555 VCC R4 1M HS1 Cap Var R3 51K R1 620K C5 Cap R5 1K P1.7 DIG2 6 DIG6 5 GND 4 SEG E 21 SEG G 17 ISET 18 V+ 19 SEG C 20 DIG4 3 SEG D 23 DIN 1 DIG0 2 SEG F 15 SEG B 16 SEG A 14 GND 9 DIG1 11 DIG5 10 CLK 13 SEG DP 22 DIG3 7 DIG
4、7 8 DOUT 24 LOAD 12 U7 MAX7219CNG C1+ 1 VDD 2 C1- 3 C2+ 4 C2- 5 VEE 6 T2OUT 7 R2IN 8 R2OUT 9 T2IN 10 T1IN 11 R1OUT 12 R1IN 13 T1OUT 14 GND 15 VCC 16 U2 MAX232 1 2 3 4 5 6 7 8 9 J1 DB 9 VCCC8 104 C7 104 C1 104 C2 104 P3.0 P3.1 P3.0 P3.1 ISP 12 XTAL C13 30pF C12 30pF C11 10uF R6 6.8k S1 SW-PB VCC P1.7
5、 VCC 1 2 P1 Header 2 IN 1 2 OUT 3 GND U4 7805 C4 0.1uF C3 100uF C9 100uF C10 0.8uF K 1 f 2 g 3 e 4 d 5 K 6 c 8 DP 7 b 9 a 10 DS2 Dpy Amber-CC K 1 f 2 g 3 e 4 d 5 K 6 c 8 DP 7 b 9 a 10 DS3 Dpy Amber-CC K 1 f 2 g 3 e 4 d 5 K 6 c 8 DP 7 b 9 a 10 DS4 Dpy Amber-CC K 1 f 2 g 3 e 4 d 5 K 6 c 8 DP 7 b 9 a 1
6、0 DS5 Dpy Amber-CC DIG0 DIG1 DIG2 DIG3 SEG A SEG B SEG C SEG D SEG E SEG F SEG G SEG DP SEG A SEG B SEG C SEG D SEG E SEG F SEG G SEG DP SEG A SEG B SEG C SEG D SEG E SEG F SEG G SEG DP SEG A SEG B SEG C SEG D SEG E SEG F SEG G SEG DP SEG A SEG B SEG C SEG D SEG E SEG F SEG G SEG DP R8 10K VCC C15 0
7、.1uF DIN LOAD CLK DIG0 DIG1 DIG2 DIG3 LOAD DIN CLK R2 1K DS1 LED VCC C6 104 CS 1 RD 2 WR 3 INTR 5 DB7 11 DB6 12 DB5 13 DB4 14 DB3 15 DB2 16 DB1 17 DB0 18 VCC 20 IN+ 6 IN - 7 AGND 8 REF/2 9 DGND 10 CLK IN 4 CLKOUT 19 U6 ADC0804CN R11 1K R10 1K VCC R9 10K VCC R710K C14 150pF VCC INT0 INT0 WR RD RD WR
8、CS CS 1 2 P? Header 2 INT1 INT1 P0C101 P0C102 P0C201 P0C202 P0C301 P0C302 P0C401 P0C402 P0C501 P0C502 P0C601 P0C602 P0C701 P0C702 P0C801 P0C802 P0C901 P0C902 P0C1001 P0C1002 P0C1101 P0C1102 P0C1201 P0C1202 P0C1301 P0C1302 P0C1401 P0C1402 P0C1501 P0C1502 P0DS101 P0DS102 P0DS201 P0DS202 P0DS203 P0DS20
9、4 P0DS205 P0DS206 P0DS207 P0DS208 P0DS209 P0DS2010 P0DS301 P0DS302 P0DS303 P0DS304 P0DS305 P0DS306 P0DS307 P0DS308 P0DS309 P0DS3010 P0DS401 P0DS402 P0DS403 P0DS404 P0DS405 P0DS406 P0DS407 P0DS408 P0DS409 P0DS4010 P0DS501 P0DS502 P0DS503 P0DS504 P0DS505 P0DS506 P0DS507 P0DS508 P0DS509 P0DS5010 P0HS10
10、1 P0HS102 P0J101 P0J102 P0J103 P0J104 P0J105 P0J106 P0J107 P0J108 P0J109 P0P101 P0P102 P0P?01 P0P?02 P0R101 P0R102 P0R201 P0R202 P0R301 P0R302 P0R401 P0R402 P0R501 P0R502 P0R601 P0R602 P0R701 P0R702 P0R801 P0R802 P0R901 P0R902 P0R903 P0R1001 P0R1002 P0R1101 P0R1102 P0S101 P0S102 P0U101 P0U102 P0U103
11、 P0U201 P0U202 P0U203 P0U204 P0U205 P0U206 P0U207 P0U208 P0U209 P0U2010 P0U2011 P0U2012 P0U2013 P0U2014 P0U2015 P0U2016 P0U301 P0U302 P0U303 P0U304 P0U305 P0U306 P0U307 P0U308 P0U401 P0U402 P0U403 P0U501 P0U502 P0U503 P0U504 P0U505 P0U506 P0U507 P0U508 P0U509 P0U5010 P0U5011 P0U5012 P0U5013 P0U5014
12、P0U5015 P0U5016 P0U5017 P0U5018 P0U5019 P0U5020 P0U5021 P0U5022 P0U5023 P0U5024 P0U5025 P0U5026 P0U5027 P0U5028 P0U5029 P0U5030 P0U5031 P0U5032 P0U5033 P0U5034 P0U5035 P0U5036 P0U5037 P0U5038 P0U5039 P0U5040 P0U601 P0U602 P0U603 P0U604 P0U605 P0U606 P0U607 P0U608 P0U609 P0U6010 P0U6011 P0U6012 P0U60
13、13 P0U6014 P0U6015 P0U6016 P0U6017 P0U6018 P0U6019 P0U6020 P0U701 P0U702 P0U703 P0U704 P0U705 P0U706 P0U707 P0U708 P0U709 P0U7010 P0U7011 P0U7012 P0U7013 P0U7014 P0U7015 P0U7016 P0U7017 P0U7018 P0U7019 P0U7020 P0U7021 P0U7022 P0U7023 P0U7024 P0Y101 P0Y102 P0U507 P0U7013 N0CLK N0CLK P0U5028 P0U601 N0
14、CS N0CS P0DS201 P0DS206 P0U702 N0DIG0 N0DIG0 P0DS301 P0DS306 P0U7011 N0DIG1 N0DIG1 P0DS401 P0DS406 P0U706 N0DIG2 N0DIG2 P0DS501 P0DS506 P0U707 N0DIG3 N0DIG3 P0U506 P0U701 N0DIN N0DIN P0C301 P0C401 P0C501 P0C602 P0C801 P0C901 P0C1001 P0C1201 P0C1301 P0C1402 P0C1501 P0HS101 P0J105 P0P101 P0P?02 P0R402
15、 P0R601 P0R902 P0R1102 P0U101 P0U2015 P0U301 P0U402 P0U607 P0U608 P0U6010 P0U5012 P0U605 N0INT0 N0INT0 P0P?01 P0U5013 N0INT1 N0INT1 P0U505 P0U7012 N0LOAD N0LOAD P0C101 P0U203 P0C102 P0U201 P0C201 P0U205 P0C202 P0U204 P0C302 P0C402 P0P102 P0U401 P0C601 P0U206 P0C702 P0U202 P0C902 P0C1002 P0U403 P0C11
16、02 P0R602 P0S101 P0U509 P0C1202 P0U5018 P0Y102 P0C1302 P0U5019 P0Y101 P0C1401 P0R702 P0U604 P0DS101 P0R202 P0HS102 P0R101 P0U302 P0U306 P0J101 P0J102 P0U2013 P0J103 P0U2014 P0J104 P0J106 P0J107 P0J108 P0J109 P0R102 P0R301 P0U307 P0R401 P0U305 P0R701 P0U6019 P0R801 P0U7018 P0R903 P0U606 P0R1002 P0R1101 P0U609 P0U207 P0U208 P0U209 P0U2010 P0U303 P0U5014 P0U501 P0U502 P0U503 P0U504 P0U5015 P0U5020 P0U5021 P0U5022 P0U5023 P0U5024 P0U5025 P0U5026 P0U5027 P0U5029 P0U5030 P0U5031 P0U5032 P0U6011 P0
