DS1302时钟电路

C1 P0C101 P0C102 C2 P0C201 P0C202 C3 P0C301 P0C302 C4 P0C401 P0C402 C5 P0C501 P0C502 C6 P 0C 60 1 P0C602 D1 P0D101 P 0D 10 2 K1 P0K101 P0K102 P0K103 P0K104 K2 P0K201 P0K202 P0K203 P0K204 P0K205 P0K206 P1 P 0P 10 1 P0P102 P2 P0P201 P0P202 P3 P0P301 P 0P 30 2 P0P303 P 0P 30 4 P0P305 P0P306 P 0P 30 7 P0P308 P0P309 P4 P0P401 P 0P 40 2 P0P403 P0P404 P 0P 40 5 P0P406 P0P407 P0P408 P0P409 P 0P 40 10 P0P4011 P0P4012 P 0P 40 13 P0P4014 P0P4015 P0P4016 P5 P0P501 P0P502 P6 P0P601 P0P602 P0P603 R1 P 0R 10 1 P0R102 R2 P 0R 20 1 P0R202 R3 P0R301 P0R302 P0R303 R4 P0R401 P0R402 R5 P0R501 P0R502 S1 P0S101 P0S102 P0S103 P0S104 S2 P0S201 P0S202 P0S203 P0S204 S3 P0S301 P0S302 P 0S 30 3 P0S304 U1 P0U100 P0U101 P 0U 10 2 P0U103 P 0U 10 4 U2 P0U201 P0U202 P 0U 20 3 P0U204 P0U205 P0U206 P0U207 P 0U 20 8 P0U209 P0U2010 P 0U 20 11 P0U2012 P 0U 20 13 P0U2014 P0U2015 P 0U 20 16 P0U2017 P0U2018 P0U2019 P0U2020 P0U2021 P0U2022 P0U2023 P0U2024 P0U2025 P0U2026 P0U2027 P0U2028 P0U2029 P0U2030 P0U2031 P0U2032 P0U2033 P0U2034 P0U2035 P0U2036 P0U2037 P0U2038 P0U2039 P0U2040 U3 P0U301 P0U302 P0U303 P0U304 P 0U 30 5 P0U306 P 0U 30 7 P0U308 Y1 P0Y101 P 0Y 10 2 Y2 P 0Y 20 1 P0Y202 P 0P 30 2 P0P407 P0U2039 P0P303 P0P408 P0U2038 P 0P 30 4 P0P409 P0U2037 P0P305 P 0P 40 10 P0U2036 P0P306 P0P4011 P0U2035 P 0P 30 7 P0P4012 P0U2034 P0P308 P 0P 40 13 P0U2033 P0P309 P0P4014 P0U2032 P0C102 P0C202 P0C401 P0C501 P0 C6 01 P 0D 10 2 P0P102 P0P202 P0P401 P0P4016 P 0R 20 1 P0R302 P0S103 P0S201 P0S301 P 0U 10 4 P0U2020 P0U304 P0P406 P0U2023 P0P602 P0U207 P0P601 P0U206 P0C101 P0U302 P0Y101 P0C201 P0U303 P 0Y 10 2 P0C302 P0R102 P0R202 P0U209 P0C402 P0U2018 P0Y202 P0C502 P0U2019 P 0Y 20 1 P0D101 P0R402 P0K104 P 0R 10 1 P0K204 P0R401 P0P201 P0U308 P0P403 P0R301 P0R303 P0P4015 P0R502 P0S102 P0U2012 P0S204 P 0U 20 13 P0S304 P0U2014 P 0U 20 3 P 0U 30 7 P0U204 P0U306 P0U205 P 0U 30 5 P0P404 P0U2021 P 0P 40 5 P0U2022 P0P501 P0U2010 P0P603 P 0U 20 8 P0P502 P 0U 20 11 P0C301 P0C602 P0K101 P0K201 P0K202 P0K203 P0K205 P0K206 P 0P 10 1 P0P301 P 0P 40 2 P0R501 P0U101 P0U2031 P0U2040 P0U301 1 1 2 2 3 3 4 4 D D C C B B A A Title Number RevisionSize A4 Date: 2009-4-24 Sheet of File: D:\My Documents\..\DS1302.SchDoc Drawn By: G N D 20 V C C 40 P1.01 P1.12 P1.23 P1.34 P1.45 P1.56 P1.67 P1.78 RST9 P3.0/RXT10 P3.1/TXD11 P3.2/INT012 P3.3/INT113 P3.4/T014 P3.5/T115 P3.6/WR16 P3.7/RD17 X 2 18 X 1 19 P2.0 21 P2.1 22 P2.2 23 P2.3 24 P2.4 25 P2.5 26 P2.6 27 P2.7 28 PSEN 29 ALE/P 30 EA/VP31 P0.7 32 P0.6 33 P0.5 34 P0.4 35 P0.3 36 P0.2 37 P0.1 38 P0.0 39 U2 AT89S52 12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P4 Header 16 1 2 3 4 5 6 7 8 9 10K P3 X12 X23 VCC2 1 GND4 RST5 I/O 6 SCLK7 VCC1 8 U3 DS1302 VCC 12 P2 power GND 4 VCC1 D-2 D+3 U1 usb 1 2 P1 Header 2 1K R1 10K R2 VCC 10uF C3 11 22 33 4 4 5 5 6 6 K2 KEYS VCC D1 LED11K R4 1 2 Y1 XTAL 12 Y2 XTAL 30PF C4 30PF C5 20PF C1 20PF C2 10K R3 VCC VCC VCC VCC VCC RS RS RW RW LCDEN LCDEN D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 10 R5VCC VCC 1 2 P5 Header 2 RXT RXT TXD TXD 1 2 3 P6 Header 3 MOSI MOSI MISO MISO SCK SCK 104 C6 11 22 3 3 4 4 S1 KEY 11 22 3 3 4 4 S2 KEY 11 22 3 3 4 4 S3 KEY 11 22 3 3 4 4 K1 KEY P0C101 P0C102 P0C201 P0C202 P0C301 P0C302 P 0C 40 1 P 0C 40 2 P 0C 50 1 P 0C 50 2 P 0C 60 1 P 0C 60 2 P0D101 P0D102 P0K101 P0K102 P0K103 P0K104 P0K201 P0K202 P0K203 P0K204 P0K205 P0K206 P0P101 P0P102 P0P201 P0P202 P0P301 P0P302 P0P303 P0P304 P0P305 P0P306 P0P307 P0P308 P0P309 P0P401 P0P402 P0P403 P0P404 P0P405 P0P406 P0P407 P0P408 P0P409 P0P4010 P0P4011 P0P4012 P0P4013 P0P4014 P0P4015 P0P4016 P0P501 P0P502 P0P601 P0P602 P0P603 P0R101 P0R102 P0R201 P0R202 P0R301 P0R302 P 0R 30 3 P0R401 P0R402 P0R501 P0R502 P0S101 P0S102 P0S103 P0S104 P0S201 P0S202 P0S203 P0S204 P0S301 P0S302 P0S303 P0S304 P0U101 P0U102 P0U103 P0U104 P0U201 P0U202 P0U203 P0U204 P0U205 P0U206 P0U207 P0U208 P0U209 P0U2010 P0U2011 P0U2012 P0U2013 P0U2014 P0U2015 P0U2016 P0U2017 P 0U 20 18 P 0U 20 19 P 0U 20 20 P0U2021 P0U2022 P0U2023 P0U2024 P0U2025 P0U2026 P0U2027 P0U2028 P0U2029 P0U2030 P0U2031 P0U2032 P0U2033 P0U2034 P0U2035 P0U2036 P0U2037 P0U2038 P0U2039 P 0U 20 40 P0U301 P0U302 P0U303 P0U304 P0U305 P0U306 P0U307 P0U308 P 0Y 10 1 P 0Y 10 2 P0Y201 P0Y202 P0P302 P0P407 P0U2039 N0D0 N0D0 P0P303 P0P408 P0U2038 N0D1 N0D1 P0P304 P0P409 P0U2037 N0D2 N0D2 P0P305 P0P4010 P0U2036 N0D3 N0D3 P0P306 P0P4011 P0U2035 N0D4 N0D4 P0P307 P0P4012 P0U2034 N0D5 N0D5 P0P308 P0P4013 P0U2033 N0D6 N0D6 P0P309 P0P4014 P0U2032 N0D7 N0D7 P0C102 P0C202 P 0C 40 1 P 0C 50 1 P 0C 60 1 P0D102 P0P102 P0P202 P0P401 P0P4016 P0R201 P0R302 P0S101 P0S102 P0S201 P0S202 P0S301 P0S302 P0U104 P 0U 20 20 P0U304 P0P406 P0U2023 N0LCDEN N0LCDEN P0P602 P0U207 N0MISO N0MISO P0P601 P0U206 N0MOSI N0MOSI P0C101 P0U302 P 0Y 10 1 P0C201 P0U303 P 0Y 10 2 P0C302 P0R102 P0R202 P0U209 P 0C 40 2 P 0U 20 18 P0Y202 P 0C 50 2 P 0U 20 19 P0Y201 P0D101 P0R402 P0K103 P0K104 P0R101 P0K204 P0R401 P0P201 P0U308 P0P403 P0R301 P 0R 30 3 P0P4015 P0R502 P0S103 P0S104 P0U2012 P0S203 P0S204 P0U2013 P0S303 P0S304 P0U2014 P0U102 P0U103 P0U201 P0U202 P0U203 P0U307 P0U204 P0U306 P0U205 P0U305 P0U2015 P0U2016 P0U2017 P0U2024 P0U2025 P0U2026 P0U2027 P0U2028 P0U2029 P0U2030 P0P404 P0U2021 N0RS N0RS P0P405 P0U2022 N0RW N0RW P0P501 P0U2010 N0RXT N0RXT P0P603 P0U208 N0SCK N0SCK P0P502 P0U2011 N0TXD N0TXD P0C301 P 0C 60 2 P0K101 P0K102 P0K201 P0K202 P0K203 P0K205 P0K206 P0P101 P0P301 P0P402 P0R501 P0U101 P0U2031 P 0U 20 40 P0U301 N0D0 P0P302 P0P407 P0U2039 N0D1 P0P303 P0P408 P0U2038 N0D2 P0P304 P0P409 P0U2037 N0D3 P0P305 P0P4010 P0U2036 N0D4 P0P306 P0P4011 P0U2035 N0D5 P0P307 P0P4012 P0U2034 N0D6 P0P308 P0P4013 P0U2033 N0D7 P0P309 P0P4014 P0U2032 P0C102 P0C202 P 0C 40 1 P 0C 50 1 P 0C 60 1 P0D102 P0P102 P0P202 P0P401 P0P4016 P0R201 P0R302 P0S101 P0S102 P0S201 P0S202 P0S301 P0S302 P0U104 P 0U 20 20 P0U304 N0LCDEN P0P406 P0U2023 N0MISO P0P602 P0U207 N0MOSI P0P601 P0U206 P0C101 P0U302 P 0Y 10 1 P0C201 P0U303 P 0Y 10 2 P0C302 P0R102 P0R202 P0U209 P 0C 40 2 P 0U 20 18 P0Y202 P 0C 50 2 P 0U 20 19 P0Y201 P0D101 P0R402 P0K103 P0K104 P0R101 P0K204 P0R401 P0P201 P0U308 P0P403 P0R301 P 0R 30 3 P0P4015 P0R502 P0S103 P0S104 P0U2012 P0S203 P0S204 P0U2013 P0S303 P0S304 P0U2014 P0U102 P0U103 P0U201 P0U202 P0U203 P0U307 P0U204 P0U306 P0U205 P0U305 P0U2015 P0U2016 P0U2017 P0U2024 P0U2025 P0U2026 P0U2027 P0U2028 P0U2029 P0U2030 N0RS P0P404 P0U2021 N0RW P0P405 P0U2022 N0RXT P0P501 P0U2010 N0SCK P0P603 P0U208 N0TXD P0P502 P0U2011 P0C301 P 0C 60 2 P0K101 P0K102 P0K201 P0K202 P0K203 P0K205 P0K206 P0P101 P0P301 P0P402 P0R501 P0U101 P0U2031 P 0U 20 40 P0U301 Schematics DS1302.SchDoc (DS1302) Components C1 C1-1 C1-2 C2 C2-1 C2-2 C3 C3-1 C3-2 C4 C4-1 C4-2 C5 C5-1 C5-2 C6 C6-1 C6-2 D1 D1-1 D1-2 K1 K1-1 K1-2 K1-3 K1-4 K2 K2-1 K2-2 K2-3 K2-4 K2-5 K2-6 P1 P1-1 P1-2 P2 P2-1 P2-2 P3 P3-1 P3-2 P3-3 P3-4 P3-5 P3-6 P3-7 P3-8 P3-9 P4 P4-1 P4-2 P4-3 P4-4 P4-5 P4-6 P4-7 P4-8 P4-9 P4-10 P4-11 P4-12 P4-13 P4-14 P4-15 P4-16 P5 P5-1 P5-2 P6 P6-1 P6-2 P6-3 R1 R1-1 R1-2 R2 R2-1 R2-2 R3 R3-1 R3-2 R3-3 R4 R4-1 R4-2 R5 R5-1 R5-2 S1 S1-1 S1-2 S1-3 S1-4 S2 S2-1 S2-2 S2-3 S2-4 S3 S3-1 S3-2 S3-3 S3-4 U1 U1-1 U1-2 U1-3 U1-4 U2 U2-1 U2-2 U2-3 U2-4 U2-5 U2-6 U2-7 U2-8 U2-9 U2-10 U2-11 U2-12 U2-13 U2-14 U2-15 U2-16 U2-17 U2-18 U2-19 U2-20 U2-21 U2-22 U2-23 U2-24 U2-25 U2-26 U2-27 U2-28 U2-29 U2-30 U2-31 U2-32 U2-33 U2-34 U2-35 U2-36 U2-37 U2-38 U2-39 U2-40 U3 U3-1 U3-2 U3-3 U3-4 U3-5 U3-6 U3-7 U3-8 Y1 Y1-1 Y1-2 Y2 Y2-1 Y2-2 Nets D0 Pins P3-2 P4-7 U2-39 NetLabels D0 D0 D1 Pins P3-3 P4-8 U2-38 NetLabels D1 D1 D2 Pins P3-4 P4-9 U2-37 NetLabels D2 D2 D3 Pins P3-5 P4-10 U2-36 NetLabels D3 D3 D4 Pins P3-6 P4-11 U2-35 NetLabels D4 D4 D5 Pins P3-7 P4-12 U2-34 NetLabels D5 D5 D6 Pins P3-8 P4-13 U2-33 NetLabels D6 D6 D7 Pins P3-9 P4-14 U2-32 NetLabels D7 D7 GND C1-2 C2-2 C4-1 C5-1 C6-1 D1-2 P1-2 P2-2 P4-1 P4-16 R2-1 R3-2 S1-1 S1-2 S2-1 S2-2 S3-1 S3-2 U1-4 U2-20 U3-4 LCDEN Pins P4-6 U2-23 NetLabels LCDEN LCDEN MISO Pins P6-2 U2-7 NetLabels MISO MISO MOSI Pins P6-1 U2-6 NetLabels MOSI MOSI NetC1_1 C1-1 U3-2 Y1-1 NetC2_1 C2-1 U3-3 Y1-2 NetC3_2 C3-2 R1-2 R2-2 U2-9 NetC4_2 C4-2 U2-18 Y2-2 NetC5_2 C5-2 U2-19 Y2-1 NetD1_1 D1-1 R4-2 NetK1_3 K1-3 K1-4 R1-1 NetK2_4 K2-4 R4-1 NetP2_1 P2-1 U3-8 NetP4_3 P4-3 R3-1 R3-3 NetP4_15 P4-15 R5-2 NetS1_3 S1-3 S1-4 U2-12 NetS2_3 S2-3 S2-4 U2-13 NetS3_3 S3-3 S3-4 U2-14 NetU1_2 U1-2 NetU1_3 U1-3 NetU2_1 U2-1 NetU2_2 U2-2 NetU2_3 U2-3 U3-7 NetU2_4 U2-4 U3-6 NetU2_5 U2-5 U3-5 NetU2_15 U2-15 NetU2_16 U2-16 NetU2_17 U2-17 NetU2_24 U2-24 NetU2_25 U2-25 NetU2_26 U2-26 NetU2_27 U2-27 NetU2_28 U2-28 NetU2_29 U2-29 NetU2_30 U2-30 RS Pins P4-4 U2-21 NetLabels RS RS RW Pins P4-5 U2-22 NetLabels RW RW RXT Pins P5-1 U2-10 NetLabels RXT RXT SCK Pins P6-3 U2-8 NetLabels SCK SCK TXD Pins P5-2 U2-11 NetLabels TXD TXD VCC C3-1 C6-2 K1-1 K1-2 K2-1 K2-2 K2-3 K2-5 K2-6 P1-1 P3-1 P4-2 R5-1 U1-1 U2-31 U2-40 U3-1 Nets D0 NetLabels D0 Pins P3-2 P4-7 U2-39 D1 NetLabels D1 Pins P3-3 P4-8 U2-38 D2 NetLabels D2 Pins P3-4 P4-9 U2-37 D3 NetLabels D3 Pins P3-5 P4-10 U2-36 D4 NetLabels D4 Pins P3-6 P4-11 U2-35 D5 NetLabels D5 Pins P3-7 P4-12 U2-34 D6 NetLabels D6 Pins P3-8 P4-13 U2-33 D7 NetLabels D7 Pins P3-9 P4-14 U2-32 GND C1-2 C2-2 C4-1 C5-1 C6-1 D1-2 P1-2 P2-2 P4-1 P4-16 R2-1 R3-2 S1-1 S1-2 S2-1 S2-2 S3-1 S3-2 U1-4 U2-20 U3-4 LCDEN NetLabels LCDEN Pins P4-6 U2-23 MISO NetLabels MISO Pins P6-2 U2-7 MOSI NetLabels MOSI Pins P6-1 U2-6 NetC1_1 C1-1 U3-2 Y1-1 NetC2_1 C2-1 U3-3 Y1-2 NetC3_2 C3-2 R1-2 R2-2 U2-9 NetC4_2 C4-2 U2-18 Y2-2 NetC5_2 C5-2 U2-19 Y2-1 NetD1_1 D1-1 R4-2 NetK1_3 K1-3 K1-4 R1-1 NetK2_4 K2-4 R4-1 NetP2_1 P2-1 U3-8 NetP4_3 P4-3 R3-1 R3-3 NetP4_15 P4-15 R5-2 NetS1_3 S1-3 S1-4 U2-12 NetS2_3 S2-3 S2-4 U2-13 NetS3_3 S3-3 S3-4 U2-14 NetU1_2 U1-2 NetU1_3 U1-3 NetU2_1 U2-1 NetU2_2 U2-2 NetU2_3 U2-3 U3-7 NetU2_4 U2-4 U3-6 NetU2_5 U2-5 U3-5 NetU2_15 U2-15 NetU2_16 U2-16 NetU2_17 U2-17 NetU2_24 U2-24 NetU2_25 U2-25 NetU2_26 U2-26 NetU2_27 U2-27 NetU2_28 U2-28 NetU2_29 U2-29 NetU2_30 U2-30 RS NetLabels RS Pins P4-4 U2-21 RW NetLabels RW Pins P4-5 U2-22 RXT NetLabels RXT Pins P5-1 U2-10 SCK NetLabels SCK Pins P6-3 U2-8 TXD NetLabels TXD Pins P5-2 U2-11 VCC C3-1 C6-2 K1-1 K1-2 K2-1 K2-2 K2-3 K2-5 K2-6 P1-1 P3-1 P4-2 R5-1 U1-1 U2-31 U2-40 U3-1 PCBs DS1302.pcb Multilayer Composite Print Components C1 C1-1 C1-2 C2 C2-1 C2-2 C3 C3-1 C3-2 C4 C4-1 C4-2 C5 C5-1 C5-2 C6 C6-1 C6-2 D1 D1-1 D1-2 K1 K1-1 K1-2 K1-3 K1-4 K2 K2-1 K2-2 K2-3 K2-4 K2-5 K2-6 P1 P1-1 P1-2 P2 P2-1 P2-2 P3 P3-1 P3-2 P3-3 P3-4 P3-5 P3-6 P3-7 P3-8 P3-9 P4 P4-1 P4-2 P4-3 P4-4 P4-5 P4-6 P4-7 P4-8 P4-9 P4-10 P4-11 P4-12 P4-13 P4-14 P4-15 P4-16 P5 P5-1 P5-2 P6 P6-1 P6-2 P6-3 R1 R1-1 R1-2 R2 R2-1 R2-2 R3 R3-1 R3-2 R3-3 R4 R4-1 R4-2 R5 R5-1 R5-2 S1 S1-1 S1-2 S1-3 S1-4 S2 S2-1 S2-2 S2-3 S2-4 S3 S3-1 S3-2 S3-3 S3-4 U1 U1-0 U1-1 U1-2 U1-3 U1-4 U2 U2-1 U2-2 U2-3 U2-4 U2-5 U2-6 U2-7 U2-8 U2-9 U2-10 U2-11 U2-12 U2-13 U2-14 U2-15 U2-16 U2-17 U2-18 U2-19 U2-20 U2-21 U2-22 U2-23 U2-24 U2-25 U2-26 U2-27 U2-28 U2-29 U2-30 U2-31 U2-32 U2-33 U2-34 U2-35 U2-36 U2-37 U2-38 U2-39 U2-40 U3 U3-1 U3-2 U3-3 U3-4 U3-5 U3-6 U3-7 U3-8 Y1 Y1-1 Y1-2 Y2 Y2-1 Y2-2 Nets D0 P3_2 P4_7 U2_39 D1 P3_3 P4_8 U2_38 D2 P3_4 P4_9 U2_37 D3 P3_5 P4_10 U2_36 D4 P3_6 P4_11 U2_35 D5 P3_7 P4_12 U2_34 D6 P3_8 P4_13 U2_33 D7 P3_9 P4_14 U2_32 GND C1_2 C2_2 C4_1 C5_1 C6_1 D1_2 P1_2 P2_2 P4_1 P4_16 R2_1 R3_2 S1_3 S2_1 S3_1 U1_4 U2_20 U3_4 LCDEN P4_6 U2_23 MISO P6_2 U2_7 MOSI P6_1 U2_6 NetC1_1 C1_1 U3_2 Y1_1 NetC2_1 C2_1 U3_3 Y1_2 NetC3_2 C3_2 R1_2 R2_2 U2_9 NetC4_2 C4_2 U2_18 Y2_2 NetC5_2 C5_2 U2_19 Y2_1 NetD1_1 D1_1 R4_2 NetK1_2 K1_4 R1_1 NetK2_4 K2_4 R4_1 NetP2_1 P2_1 U3_8 NetP4_3 P4_3 R3_1 R3_3 NetP4_15 P4_15 R5_2 NetS1_2 S1_2 U2_12 NetS2_2 S2_4 U2_13 NetS3_2 S3_4 U2_14 NetU2_3 U2_3 U3_7 NetU2_4 U2_4 U3_6 NetU2_5 U2_5 U3_5 RS P4_4 U2_21 RW P4_5 U2_22 RXT P5_1 U2_10 SCK P6_3 U2_8 TXD P5_2 U2_11 VCC C3_1 C6_2 K1_1 K2_1 K2_2 K2_3 K2_5 K2_6 P1_1 P3_1 P4_2 R5_1 U1_1 U2_31 U2_40 U3_1