电子CAD课程设计要求

电子CAD课程设计要求 一、课程设计的目的 1、 熟悉原理图的设计步骤 2、 绘制原理图的方法 3、 网络表及元件清单的生成 4、 双面印制电路板（PCB）的布线流程 5、 原理图元件库及其PCB元件库的创建 二、课程设计内容和要求 1、画原理图 2、设计双面印制电路板 3、原理图元件库及其PCB元件库的创建 三、原理图: 步骤: 1、设置图纸大小 2、设置环境 3、放置元件 4、原理图布线 5、语法检查，不断修改，直到没有错误 6、材料清单和网络表生成，为PCB做准备 四、PCB图： 步骤： 1、 设置PCB图大小 2、设置PCB环境 2、 完成布线 五、设计内容： 数字电子钟 图1　数字电子钟整体电路（方块图） 图2　秒脉冲电路 图3　计数电路 图4　显示译码驱动电路 图5　LED数码显示电路 图6　报时电路 图7　校时电路 图8　电路材料报表 元器件详细报表 Part Cross Reference Report For : Clock.xrf 28-May-2009 02:22:13 Designator Component Library Reference Sheet ----------------------------------------------------------------- C1 22pF maichong.Sch C2 50pF maichong.Sch DS1 DPY_7-SEG xianshi.Sch DS2 DPY_7-SEG xianshi.Sch DS3 DPY_7-SEG xianshi.Sch DS4 DPY_7-SEG xianshi.Sch DS5 DPY_7-SEG xianshi.Sch DS6 DPY_7-SEG xianshi.Sch LS1 SPEAKER baoshi.Sch Q1 NPN baoshi.Sch R1 2kOhm jiaoshi.Sch R2 2kOhm jiaoshi.Sch R3 2kOhm jiaoshi.Sch R4 2kOhm baoshi.Sch R5 10MOhm maichong.Sch RP1 200Ohm×7 qudong.Sch RP2 200Ohm×7 qudong.Sch RP3 200Ohm×7 qudong.Sch RP4 200Ohm×7 qudong.Sch RP5 200Ohm×7 qudong.Sch RP6 200Ohm×7 qudong.Sch S1 SW-PB jiaoshi.Sch S2 SW-PB jiaoshi.Sch S3 SW-PB jiaoshi.Sch U1A 74LS74 jiaoshi.Sch U2A 4069 jiaoshi.Sch U3A 4011 jiaoshi.Sch U3B 4011 jiaoshi.Sch U3C 4011 jiaoshi.Sch U3D 4011 jiaoshi.Sch U4D 4011 jiaoshi.Sch U4C 4011 jiaoshi.Sch U4B 4011 jiaoshi.Sch U4A 4011 jiaoshi.Sch U5A 4011 jiaoshi.Sch U6 4511 qudong.Sch U7 4511 qudong.Sch U8 4511 qudong.Sch U9 4511 qudong.Sch U10 4511 qudong.Sch U11 4511 qudong.Sch U12A 4023 baoshi.Sch U13A 4069 baoshi.Sch U13B 4069 baoshi.Sch U13C 4069 baoshi.Sch U14A 4012 baoshi.Sch U14B 4012 baoshi.Sch U15A 4011 baoshi.Sch U16A 4011 jishi.Sch U16B 4011 jishi.Sch U16C 4011 jishi.Sch U16D 4011 jishi.Sch U17A 4518 jishi.Sch U17B 4518 jishi.Sch U18A 4518 jishi.Sch U18B 4518 jishi.Sch U19A 4518 jishi.Sch U19B 4518 jishi.Sch U20 4060 maichong.Sch U21A 74LS74 maichong.Sch U41A 4012 baoshi.Sch V1 +5V jiaoshi.Sch V2 +5V qudong.Sch V3 +5V jishi.Sch X1 32768Hz maichong.Sch 网络表 [ C1 rad0.3 22pF ] [ C2 RAD0.3 50pF ] [ DS1 DIP8 DPY_7-SEG ] [ DS2 DIP8 DPY_7-SEG ] [ DS3 DIP8 DPY_7-SEG ] [ DS4 DIP8 DPY_7-SEG ] [ DS5 DIP8 DPY_7-SEG ] [ DS6 DIP8 DPY_7-SEG ] [ LS1 RAD0.3 SPEAKER ] [ Q1 TO-18 NPN ] [ R1 axial0.5 2kOhm ] [ R2 axial0.5 2kOhm ] [ R3 axial0.5 2kOhm ] [ R4 axial0.5 2kOhm ] [ R5 axial0.5 10MOhm ] [ RP1 DIP14 200Ohm-7 ] [ RP2 DIP14 200Ohm-7 ] [ RP3 DIP14 200Ohm-7 ] [ RP4 DIP14 200Ohm-7 ] [ RP5 DIP14 200Ohm-7 ] [ RP6 DIP14 200Ohm-7 ] [ S1 RAD0.3 SW-PB ] [ S2 RAD0.3 SW-PB ] [ S3 RAD0.3 SW-PB ] [ U1 DIP14 74LS74 ] [ U2 DIP14 4069 ] [ U3 DIP14 4011 ] [ U4 DIP14 4011 ] [ U5 DIP14 4011 ] [ U6 DIP16 4511 ] [ U7 DIP16 4511 ] [ U8 DIP16 4511 ] [ U9 DIP16 4511 ] [ U10 DIP16 4511 ] [ U11 DIP16 4511 ] [ U12 DIP14 4023 ] [ U13 DIP14 4069 ] [ U14 DIP14 4012 ] [ U15 DIP14 4011 ] [ U16 dip16 4011 ] [ U17 dip16 4518 ] [ U18 dip16 4518 ] [ U19 dip16 4518 ] [ U20 dip16 4060 ] [ U21 dip14 74LS74 ] [ U41 DIP14 4012 ] [ X1 XTAL1 32768Hz ] ( 1HZ U4-12 U21-5 ) ( 2HZ S1-1 S2-1 U4-9 U20-3 U21-3 ) ( 1024HZ U14-12 U20-5 ) ( 2048HZ U14-2 U20-7 ) ( FG1 DS4-1 RP4-14 ) ( FG2 DS4-2 RP4-13 ) ( FG3 DS4-3 RP4-12 ) ( FG4 DS4-4 RP4-11 ) ( FG5 DS4-5 RP4-10 ) ( FG6 DS4-6 RP4-9 ) ( FG7 DS4-7 RP4-8 ) ( FJW U4-1 U16-10 ) ( FS1 DS3-1 RP3-14 ) ( FS2 DS3-2 RP3-13 ) ( FS3 DS3-3 RP3-12 ) ( FS4 DS3-4 RP3-11 ) ( FS5 DS3-5 RP3-10 ) ( FS6 DS3-6 RP3-9 ) ( FS7 DS3-7 RP3-8 ) ( GND U1-7 U2-7 U3-7 U4-7 U5-7 U6-8 U7-8 U8-8 U9-8 U10-8 U11-8 U12-7 U13-7 U14-7 U15-7 U16-7 U17-8 U18-8 U19-8 U20-8 U21-7 U41-7 ) ( JF U4-4 U18-1 U19-7 U19-15 ) ( JM U5-3 U19-1 ) ( JS U4-3 U17-1 U18-7 U18-15 ) ( MG1 DS6-1 RP6-14 ) ( MG2 DS6-2 RP6-13 ) ( MG3 DS6-3 RP6-12 ) ( MG4 DS6-4 RP6-11 ) ( MG5 DS6-5 RP6-10 ) ( MG6 DS6-6 RP6-9 ) ( MG7 DS6-7 RP6-8 ) ( MJW U4-6 U16-11 ) ( MS1 DS5-1 RP5-14 ) ( MS2 DS5-2 RP5-13 ) ( MS3 DS5-3 RP5-12 ) ( MS4 DS5-4 RP5-11 ) ( MS5 DS5-5 RP5-10 ) ( MS6 DS5-6 RP5-9 ) ( MS7 DS5-7 RP5-8 ) ( N1 U6-7 U17-11 ) ( N2 U6-1 U16-5 U17-12 ) ( N3 U6-2 U17-13 ) ( N4 U6-6 U17-14 ) ( N5 U7-7 U17-3 ) ( N6 U7-1 U17-4 ) ( N7 U7-2 U16-6 U17-5 ) ( N8 U7-6 U17-6 U17-9 ) ( N9 U8-7 U18-11 U41-2 ) ( N10 U8-1 U16-8 U18-12 ) ( N11 U8-2 U16-9 U18-13 U41-3 ) ( N12 U8-6 U18-14 ) ( N13 U9-7 U18-3 U41-4 ) ( N14 U9-1 U18-4 ) ( N15 U9-2 U18-5 ) ( N16 U9-6 U18-6 U18-9 U41-5 ) ( N17 U10-7 U12-1 U19-11 ) ( N18 U10-1 U16-12 U19-12 ) ( N19 U10-2 U12-2 U16-13 U19-13 ) ( N20 U10-6 U19-14 ) ( N21 U11-7 U14-4 U14-10 U19-3 ) ( N22 U11-1 U19-4 ) ( N23 U11-2 U19-5 ) ( N24 U11-6 U13-5 U14-5 U19-6 U19-9 ) ( N30 U16-3 U17-7 U17-15 ) ( NetLS1_2 LS1-2 Q1-2 ) ( NetQ1_3 C1-2 C2-2 Q1-3 S3-1 U6-5 U7-5 U8-5 U9-5 U10-5 U11-5 U20-12 ) ( NetR1_2 R1-2 U3-2 ) ( NetR2_2 R2-2 U3-6 ) ( NetR3_2 R3-2 U2-1 ) ( NetR4_2 Q1-1 R4-2 ) ( NetRP1_1 RP1-1 U6-13 ) ( NetRP1_2 RP1-2 U6-12 ) ( NetRP1_3 RP1-3 U6-11 ) ( NetRP1_4 RP1-4 U6-10 ) ( NetRP1_5 RP1-5 U6-9 ) ( NetRP1_6 RP1-6 U6-15 ) ( NetRP1_7 RP1-7 U6-14 ) ( NetS1_2 S1-2 U3-1 ) ( NetS2_2 S2-2 U3-5 ) ( NetS3_2 S3-2 U1-1 ) ( NetU1_5 U1-5 U4-13 ) ( NetU1_6 U1-6 U4-8 ) ( NetU2_2 U1-4 U2-2 ) ( NetU3_3 U3-3 U3-8 U3-9 ) ( NetU3_4 U3-4 U3-12 U3-13 ) ( NetU3_10 U3-10 U4-2 ) ( NetU3_11 U3-11 U4-5 ) ( NetU4_10 U4-10 U5-2 ) ( NetU4_11 U4-11 U5-1 ) ( NetU7_9 RP2-5 U7-9 ) ( NetU7_10 RP2-4 U7-10 ) ( NetU7_11 RP2-3 U7-11 ) ( NetU7_12 RP2-2 U7-12 ) ( NetU7_13 RP2-1 U7-13 ) ( NetU7_14 RP2-7 U7-14 ) ( NetU7_15 RP2-6 U7-15 ) ( NetU8_9 RP3-5 U8-9 ) ( NetU8_10 RP3-4 U8-10 ) ( NetU8_11 RP3-3 U8-11 ) ( NetU8_12 RP3-2 U8-12 ) ( NetU8_13 RP3-1 U8-13 ) ( NetU8_14 RP3-7 U8-14 ) ( NetU8_15 RP3-6 U8-15 ) ( NetU9_9 RP4-5 U9-9 ) ( NetU9_10 RP4-4 U9-10 ) ( NetU9_11 RP4-3 U9-11 ) ( NetU9_12 RP4-2 U9-12 ) ( NetU9_13 RP4-1 U9-13 ) ( NetU9_14 RP4-7 U9-14 ) ( NetU9_15 RP4-6 U9-15 ) ( NetU10_9 RP5-5 U10-9 ) ( NetU10_10 RP5-4 U10-10 ) ( NetU10_11 RP5-3 U10-11 ) ( NetU10_12 RP5-2 U10-12 ) ( NetU10_13 RP5-1 U10-13 ) ( NetU10_14 RP5-7 U10-14 ) ( NetU10_15 RP5-6 U10-15 ) ( NetU11_9 RP6-5 U11-9 ) ( NetU11_10 RP6-4 U11-10 ) ( NetU11_11 RP6-3 U11-11 ) ( NetU11_12 RP6-2 U11-12 ) ( NetU11_13 RP6-1 U11-13 ) ( NetU11_14 RP6-7 U11-14 ) ( NetU11_15 RP6-6 U11-15 ) ( NetU12_9 U12-9 U13-1 ) ( NetU13_2 U13-2 U14-3 U14-9 ) ( NetU13_3 U13-3 U41-1 ) ( NetU13_4 U12-8 U13-4 ) ( NetU13_6 U13-6 U14-11 ) ( NetU14_1 U14-1 U15-1 ) ( NetU14_13 U14-13 U15-2 ) ( NetU15_3 R4-1 U15-3 ) ( NetU16_2 U16-1 U16-2 U16-4 ) ( NetU21_2 U21-2 U21-6 ) ( NetX1_1 C1-1 R5-1 U20-11 X1-1 ) ( NetX1_2 C2-1 R5-2 U20-10 X1-2 ) ( SG1 DS2-1 RP2-14 ) ( SG2 DS2-2 RP2-13 ) ( SG3 DS2-3 RP2-12 ) ( SG4 DS2-4 RP2-11 ) ( SG5 DS2-5 RP2-10 ) ( SG6 DS2-6 RP2-9 ) ( SG7 DS2-7 RP2-8 ) ( SS1 DS1-1 RP1-14 ) ( SS2 DS1-2 RP1-13 ) ( SS3 DS1-3 RP1-12 ) ( SS4 DS1-4 RP1-11 ) ( SS5 DS1-5 RP1-10 ) ( SS6 DS1-6 RP1-9 ) ( SS7 DS1-7 RP1-8 ) ( VCC LS1-1 U1-14 U2-14 U3-14 U4-14 U5-14 U6-16 U7-16 U8-16 U9-16 U10-16 U11-16 U12-14 U13-14 U14-14 U15-14 U16-14 U17-16 U18-16 U19-16 U20-16 U21-1 U21-4 U21-14 U41-14 ) ( VDD R1-1 R2-1 R3-1 U6-3 U6-4 U7-3 U7-4 U8-3 U8-4 U9-3 U9-4 U10-3 U10-4 U11-3 U11-4 U17-2 U17-10 U18-2 U18-10 U19-2 U19-10 ) 图9　数字电子钟PCB图 图10　数字电子钟PCB图（局部放大） 13