数字电桥设计原理图.pdf

1 1 2 2 3 3 4 4 5 5 6 6 DD CC BB AA Title NumberRevisionSize C Date:2014/6/9Sheet of File:C:Users.SchDoc Drawn By: FB 4 ON/OFF 5 GND 3 IN 1 OUT 2 U5 LM2596S-5.0 680uF C22 GND D2 D Zener 33mH L3 220uF C23 10uF C24 104uF C21 GND +12V 电源模块 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 LCD1 RS R/W E PSB NC RST GND VCC 5K R3 1 2 8 6 4 液晶 X6 2 X4 1 X 3 X7 4 VCC 16 X5 5 EN 6 X0 13 VEE 7 GND 8 X3 12 C 9 B 10 A 11 X2 15 X1 14 U6 CD4051BC 1 2 3 多路转换开关 1 2 P2 Q1 8550 Q3 8550 Q2 8550 P1.2 GND P0.0 D1 1N4007 D4 1N4007 D3 1N4007 +5.0V 102 C18 472 C19 224 C27 224 C26 K2 K3 K1 100uH L2 100mH L5 GND GND P1.0 GND 电容量程一 电容量程二 P1.1 GND 150uH L1 GND 472 C20 10uF C17 电感量程一 471 C28 150uH L4 GND 电感量程二100K R15 611 47K R14 100K R11 100K R13 1K R12 10uF C25 116 F O 7 GND 11 CMPR IN 10 IN- 1 IN+ 14 V O 13 NC 2 COS 5 V- 4 V+ 12 NC 6 NC 3 NC 8 NC 9 U7 VFC32KP 1 2 P3 K4 D5 1N4007 Q4 8550 GND GND +12V 待测电阻接口 100K R16 1M R18 1K R19 40K R17 1000p C30 GND 104uF C29 GND +15V -15V 104uF C31 102uF C32 电阻检测电路 电容电感测量电路 待测电容电感接口 GND GND 电阻量程二电阻量程一 GND 选择电阻或电容电感 GND 4 5 6 1 3 2 8 7 U4 LM311H 512 152 143 P1.3 P4 13 10 11 8 12 9 14 7 C1+ 1 C2+ 4 GND 15 C1- 3 VCC 16 C2- 5 V- 6 V+ 2 U2 MAX232CSE P3.4 1 P3.6 1 P3.5 1 P3.7 1 GND P3.4 P3.6 P3.5 P3.7 DVCC3.3 0.1uFC13 0.1uFC14 0.1uF C11 0.1uF C12 0.1uF C15 GND GND MCU-SW1 SW-PB 0.1uF C1 1K R1 10K R2 GNDDVCC3.3 RST/NMI 12 Y2 32768 1 LED1 GND 12 1K R5 12 Y1 8M 30 C3 30 C2 GND XT2IN XT2OUT 1 2 3 J1 PWR2.5 47uF C9 47uF C10 0.1uF C4 +5 GND 1 IN 3 OUT 2 OUT 4 U1 REG1117-3.3 GND DVSS 20 R4 20 R6 1uF C5 0.1uF C6 0.1uF C8 1uF C7 DVCC3.3 AVSS GND P24CA 24 P25/RO 25 P26/AD 26 P27TAO 27 P30STE 28 P31SIM 29 P32SOM 30 P33UCL 31 P34UTX 32 P23/CA 23 P22/CA 22 P21TAI 21 P20ACL 20 P17TA2 19 P16TA1 18 PISTA0 17 P36UTX 34 P37URX 35 T40TB0 36 P41TB1 37 P42TB2 38 P43TB3 39 P44TB4 40 P45TB5 41 P46TB6 42 P47TBC 43 P50STE 44 P51SIM 45 P52SOM 46 P53UCL 47 P54MCL 48 P35URX 33 P55SMC 49 P56ACL 50 P57TBO 51 XT20UT 52 XT2IN 53 TDO/I 54 TDI 55 TMS 56 TCK 57 RST/NM 58 P60/A0 59 P61/A1 60 P62/A2 61 AVSS 62 DVSS 63 AVCC 64 DVCC 1 P63/A3 2 P64/A4 3 P66/A6 5 XOUT 9 XIN 8 VEREF+ 10 VREF- 11 P10/TA 12 P11TA0 13 P12TA1 14 P13TA2 15 P14SMC 16 P67/A7 6 VREF+ 7 P65/A5 4 2 MSP430F149 DVCC3.3 P6.3 P6.4 P6.5 P6.6 P6.7 VREF+ XIN XOUT VeREF+ VREF-/VeREF- P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 P2.0 P2.1 P2.2 P2.3 P2.4 P2.5 P2.6 P2.7 P3.0 P3.1 P3.2 P3.3 P3.4 P3.5 P3.6 P3.7 P4.0 P4.2 P4.1 P4.3 P4.4 P4.6 P4.5 P4.7 P5.1 P5.0 P5.2 P5.3 P5.4 AVCC3.3 DVSS AVSS P6.2 P6.1 RST/NMI P6.0 TCK TMS TDI/TCLK TDO/TDI XT2IN XT2OUT P5.7 P5.6 P5.5 1 2 3 4 5 6 7 8 9 11 10 J2 DB9 GND GND VIN 1 VOUT 2 GND 3 NC 4 NC 5 NC 6 NC 7 NC 8 U3 MC1403D +5 GND 1 2 3 P1Header 3H 0.1uF C16 GND +5.0V +5.0V +5.0V +5.0V +5.0V +5.0V +5.0V VCC GND GND AVCC3.3AVCC3.3 VeREF+ P6.1 S1 S2 S3 S4 GND R7 10k R8 10k R9 10k R10 10k P5.0 P5.1 P5.2 P5.3 键盘电路 VCC VSS VCC V0 P4.0 VOUT A K P4.1 P4.2 P4.3 P4.4 P4.5 P4.6 P4.7 数字电桥设计 0 2 1 0 4 0 5 3 5李海富 赵志伟 P0101 P0102 P0201 P0202 P0203 P0204 P0205 P0206 P0207 P0208 P0209 P02010 P02011 P02012 P02013 P02014 P02015 P02016 P02017 P02018 P02019 P02020 P02021 P02022 P02023 P02024 P02025 P02026 P02027 P02028 P02029 P02030 P02031 P02032 P02033 P02034 P02035 P02036 P02037 P02038 P02039 P02040 P02041 P02042 P02043 P02044 P02045 P02046 P02047 P02048 P02049 P02050 P02051 P02052 P02053 P02054 P02055 P02056 P02057 P02058 P02059 P02060 P02061 P02062 P02063 P02064 P0301 P0302 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 P0C1601 P0C1602 P0C1701 P0C1702 P0C1801 P0C1802 P0C1901 P0C1902 P0C2001 P0C2002 P0C2101 P0C2102 P0C2201 P0C2202 P0C2301 P0C2302 P0C2401 P0C2402 P0C2501 P0C2502 P0C2601 P0C2602 P0C2701 P0C2702 P0C2801 P0C2802 P0C2901 P0C2902 P0C3001 P0C3002 P0C3101 P0C3102 P0C3201 P0C3202 P0D101 P0D102 P0D201 P0D202 P0D301 P0D302 P0D401 P0D402 P0D501 P0D502 P0J101 P0J101A P0J101B P0J102 P0J102A P0J102B P0J103 P0J103A P0J103B P0J201 P0J202 P0J203 P0J204 P0J205 P0J206 P0J207 P0J208 P0J209 P0J2010 P0J2011 P0K101 P0K102 P0K103 P0K104 P0K105 P0K106 P0K107 P0K108 P0K201 P0K202 P0K203 P0K204 P0K205 P0K206 P0K207 P0K208 P0K301 P0K302 P0K303 P0K304 P0K305 P0K306 P0K307 P0K308 P0K401 P0K402 P0K403 P0K404 P0K405 P0K406 P0K407 P0K408 P0L101 P0L102 P0L201 P0L202 P0L301 P0L302 P0L401 P0L402 P0L501 P0L502 P0LCD101 P0LCD102 P0LCD103 P0LCD104 P0LCD105 P0LCD106 P0LCD107 P0LCD108 P0LCD109 P0LCD1010 P0LCD1011 P0LCD1012 P0LCD1013 P0LCD1014 P0LCD1015 P0LCD1016 P0LCD1017 P0LCD1018 P0LCD1019 P0LCD1020 P0MCU0SW101 P0MCU0SW102 P0P101 P0P102 P0P103 P0P201 P0P202 P0P301 P0P302 P0Q101 P0Q102 P0Q103 P0Q201 P0Q202 P0Q203 P0Q301 P0Q302 P0Q303 P0Q401 P0Q402 P0Q403 P0R101 P0R102 P0R201 P0R202 P0R301 P0R302 P0R303 P0R401 P0R402 P0R501 P0R502 P0R601 P0R602 P0R701 P0R702 P0R801 P0R802 P0R901 P0R902 P0R1001 P0R1002 P0R1101 P0R1102 P0R1201 P0R1202 P0R1301 P0R1302 P0R1401 P0R1402 P0R1501 P0R1502 P0R1601 P0R1602 P0R1701 P0R1702 P0R1801 P0R1802 P0R1901 P0R1902 P0S101 P0S102 P0S201 P0S202 P0S301 P0S302 P0S401 P0S402 P0U101 P0U102 P0U103 P0U104 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 P0U404 P0U405 P0U406 P0U407 P0U408 P0U501 P0U502 P0U503 P0U504 P0U505 P0U601 P0U602 P0U603 P0U604 P0U605 P0U606 P0U607 P0U608 P0U609 P0U6010 P0U6011 P0U6012 P0U6013 P0U6014 P0U6015 P0U6016 P0U701 P0U702 P0U703 P0U704 P0U705 P0U706 P0U707 P0U708 P0U709 P0U7010 P0U7011 P0U7012 P0U7013 P0U7014 P0Y101 P0Y102 P0Y201 P0Y202 P0C3101 P0U704 P0C1701 P0R1101 P0R1301 P0R1502 P0U402 N01 N01 N03 N011 P0R1201 P0R1302 P0R1402 P0U407 P0U6013 N02 N02 N012 N014 P0C2501 P0R1401 P0U403 N05 P0C402 P0C901 P0J101 P0J101A P0J101B P0U103 P0U301 P0102 P02062 P02063 P0C101 P0C201 P0C301 P0C401 P0C501 P0C601 P0C701 P0C801 P0C902 P0C1002 P0C1102 P0C1202 P0C1502 P0C1601 P0C1801 P0C1901 P0C2001 P0C2101 P0C2202 P0C2302 P0C2402 P0C2502 P0C2601 P0C2701 P0C2801 P0C2901 P0C3102 P0C3202 P0D201 P0J102 P0J102A P0J102B P0J103 P0J103A P0J103B P0J205 P0J2010 P0J2011 P0L201 P0L501 P0LCD101 P0LCD1020 P0P201 P0P301 P0Q103 P0Q203 P0Q303 P0Q403 P0R101 P0R301 P0R1501 P0S101 P0S201 P0S301 P0S401 P0U101 P0U2015 P0U303 P0U401 P0U404 P0U503 P0U505 P0U607 P0U608 P0U609 P0U6010 P0U7011 P0U7014 N06 N0AVSS N0AVSS N0DVSS N0DVSS N0K N0VSS P0C2201 P0K401 P0U501 N0+12V P0C2902 P0U7012 P0C2102 P0C2301 P0C2401 P0D102 P0D302 P0D402 P0D502 P0K108 P0K208 P0K308 P0K408 P0L302 P0R1102 P0R1202 P0R1602 P0U408 P0U504 P0U6016 N015 N016 P0LCD102 P0LCD1019 P0R302 P0R702 P0R802 P0R902 P0R1002 N0A N0VCC P0C702 P0C802 P0R402 P0R502 N0AVCC303 P0201 P0C502 P0C602 P0C1101 P0R202 P0R602 P0U2016 N0DVCC303 P0LCD106 N0E P0LCD1016 N0NC P0101 P0R501 P02064 P0301 P0302 P0U6011 P0C1001 P0R401 P0R601 P0U102 P0U104 P0C1201 P0U202 P0C1301 P0U203 P0C1302 P0U201 P0C1401 P0U205 P0C1402 P0U204 P0C1501 P0U206 P0C1602 P0P102 P0P103 P0U302 P0C1702 P0K101 P0C1802 P0C1902 P0K302 P0K305 P0L202 P0C2002 P0K202 P0L102 P0C2602 P0C2702 P0K303 P0K306 P0L502 P0C2802 P0K203 P0L402 P0C3001 P0U7010 P0U7013 P0C3002 P0R1702 P0U701 P0C3201 P0U705 P0D101 P0K107 P0Q101 P0D202 P0L301 P0U502 P0D301 P0K307 P0Q201 P0D401 P0K207 P0Q301 P0D501 P0K407 P0Q401 P0J201 P0J204 P0J206 P0J209 P0K102 P0K201 P0K103 P0K301 P0K104 P0P202 P0K105 P0K204 P0K106 P0K304 P0K205 P0L101 P0K206 P0L401 P0K402 P0R1902 P0K403 P0R1802 P0K404 P0P302 P0K405 P0K406 P0R1701 P0R1801 P0R1901 P0MCU0SW101 P0R102 P0R1601 P0U6014 P0U707 P0U304 P0U305 P0U306 P0U307 P0U308 P0U405 P0U406 P0U601 P0U602 P0U604 P0U605 P0U606 P0U6012 P0U6015 P0U702 P0U703 P0U706 P0U708 P0U709 P02012 P0Q202 N0P100 N0P100 P02013 P0Q302 N0P101 N0P101 P02014 P0Q102 N0P102 N0P102 P02015 P0Q402 N0P103 N0P103 P02016 N0P104 P02017 N0P105 P02018 N0P106 P02019 N0P107 P02020 N0P200 P02021 N0P201 P02022 N0P202 P02023 N0P203 P02024 N0P204 P02025 N0P205 P02026 N0P206 P02027 N0P207 P02028 N0P300 P02029 N0P301 P02030 N0P302 P02031 N0P303 P02032 P0U2011 N0P304 N0P304 P0J202 P0U2014 N0P304 1 P02033 P02035 P0U209 P0U2012 N0P305 N0P305 N0P307 N0P307 P0J203 P0U2013 N0P305 1 P02034 P0U2010 N0P306 N0P306 P0J207 P0U207 N0P306 1 P0J208 P0U208 N0P307 1 P02036 P0LCD107 N0P400 N0P400 N0P4 P02037 P0LCD108 N0P401 N0P401 P02038 P0LCD109 N0P402 N0P402 P02039 P0LCD1010 N0P403 N0P403 P02040 P0LCD1011 N0P404 N0P404 P02041 P0LCD1012 N0P405 N0P405 P02042 P0LCD1013 N0P406 N0P406 P02043 P0LCD1014 N0P407 N0P407 P02044 P0R701 P0S102 N0P500 N0P500 P02045 P0R801 P0S202 N0P501 N0P501 P02046 P0R901 P0S302 N0P502 N0P502 P02047 P0R1001 P0S402 N0P503 N0P503 P02048 N0P504 P02049 N0P505 P02050 N0P506 P02051 N0P507 P02059 P0C102 P0MCU0SW102 P0R201 N0RST/NMI N0P600 P02060 P0U603 N0P601 N0P601 P02061 N0P602 P0202 N0P603 P0203 N0P604 P0204 N0P605 P0205 N0P606 P0206 N0P607 P0LCD1015 N0PSB P0LCD105 N0R/W P0LCD104 N0RS P0LCD1017 N0RST P02058 N0RST/NMI P02057 N0TCK P02055 N0TDI/TCLK P02054 N0TDO/TDI P02056 N0TMS P0LCD103 P0R303 N0V0 P02010 P0P101 N0VEREF+ N0VEREF+ P0LCD1018 N0VOUT P0207 N0VREF+ P02011 N0VREF0/VEREF0 P0208 P0Y202 N0XIN P0209 P0Y201 N0XOUT P02053 P0C302 P0Y102 N0XT2IN N0XT2IN P02052 P0C202 P0Y101 N0XT2OUT N0XT2OUT P0C3101 P0U704 N01 N03 N011 P0C1701 P0R1101 P0R1301 P0R1502 P0U402 N02 N012 N014 P0R1201 P0R1302 P0R1402 P0U407 P0U6013 N05 P0C2501 P0R1401 P0U403 P0C402 P0C901 P0J101 P0J101A P0J101B P0U103 P0U301 N06 N0AVSS N0DVSS N0K N0VSS P0102 P02062 P02063 P0C101 P0C201 P0C301 P0C401 P0C501 P0C601 P0C701 P0C801 P0C902 P0C1002 P0C1102 P0C1202 P0C1502 P0C1601 P0C1801 P0C1901 P0C2001 P0C2101 P0C2202 P0C2302 P0C2402 P0C2502 P0C2601 P0C2701 P0C2801 P0C2901 P0C3102 P0C3202 P0D201 P0J102 P0J102A P0J102B P0J103 P0J103A P0J103B P0J205 P0J2010 P0J2011 P0L201 P0L501 P0LCD101 P0LCD1020 P0P201 P0P301 P0Q103 P0Q203 P0Q303 P0Q403 P0R101 P0R301 P0R1501 P0S101 P0S201 P0S301 P0S401 P0U101 P0U2015 P0U303 P0U401 P0U404 P0U503 P0U505 P0U607 P0U608 P0U609 P0U6010 P0U7011 P0U7014 N0+12V P0C2201 P0K401 P0U501 P0C2902 P0U7012 N015 N016 P0C2102 P0C2301 P0C2401 P0D102 P0D302 P0D402 P0D502 P0K108 P0K208 P0K308 P0K408 P0L302 P0R1102 P0R1202 P0R1602 P0U408 P0U504 P0U6016 N0A N0VCC P0LCD102 P0LCD1019 P0R302 P0R702 P0R802 P0R902 P0R1002 N0AVCC303 P0C702 P0C802 P0R402 P0R502 N0DVCC303 P0201 P0C502 P0C602 P0C1101 P0R202 P0R602 P0U2016 N0E P0LCD106 N0NC P0LCD1016 P0101 P0R501 P02064 P0301 P0302 P0U6011 P0C1001 P0R401 P0R601 P0U102 P0U104 P0C1201 P0U202 P0C1301 P0U203 P0C1302 P0U201 P0C1401 P0U205 P0C1402 P0U204 P0C1501 P0U206 P0C1602 P0P102 P0P103 P0U302 P0C1702 P0K101 P0C1802 P0C1902 P0K302 P0K305 P0L202 P0C2002 P0K202 P0L102 P0C2602 P0C2702 P0K303 P0K306 P0L502 P0C2802 P0K203 P0L402 P0C3001 P0U7010 P0U7013 P0C3002 P0R1702 P0U701 P0C3201 P0U705 P0D101 P0K107 P0Q101 P0D202 P0L301 P0U502 P0D301 P0K307 P0Q201 P0D401 P0K207 P0Q301 P0D501 P0K407 P0Q401 P0J201 P0J204 P0J206 P0J209 P0K102 P0K201 P0K103 P0K301 P0K104 P0P202 P0K105 P0K204 P0K106 P0K304 P0K205 P0L101 P0K206 P0L401 P0K402 P0R1902 P0K403 P0R1802 P0K404 P0P302 P0K405 P0K406 P0R1701 P0R1801 P0R1901 P0MCU0SW101 P0R102 P0R1601 P0U6014 P0U707 P0U304 P0U305 P0U306 P0U307 P0U308 P0U405 P0U406 P0U601 P0U602 P0U604 P0U605 P0U606 P0U6012 P0U6015 P0U702 P0U703 P0U706 P0U708 P0U709 N0P100 P02012 P0Q202 N0P101 P02013 P0Q302 N0P102 P02014 P0Q102 N0P103 P02015 P0Q402