1 1 2 2 3 3 4 4 DD CC BB AA Title NumberRevisionSize A4 Date:2015-07-30Sheet of File:G:1. 8051.SchDocDrawn By: P1.0/T2 1 P1.1/T2EX 2 P1.2 3 P1.3 4 P1.4 5 P1.5 6 P1.6 7 P1.7 8 RST 9 P3.0/RxD 10 P3.1/TxD 11 P3.2/INT0 12 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 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 39 VCC 40 89S52 8051 1 2 3 4 5 6 7 8 9 P1 10K VCC GND VCC Y1 11.0592MHz C4 22pF C5 22pF GND VCC S22 VCC VCC VCC VCC 1 2 3 4 5 6 7 8 9 10 P6 Header 10 1 2 3 4 5 6 7 8 9 10 P7 Header 10 1 2 3 4 5 6 7 8 9 10 P8 Header 10 1 2 3 4 5 6 7 8 9 10 P9 Header 10 GND GND GND GND 51_XTAL1 51_XTAL2 VCC P0_DB07 RESET P1.0/STP_MR_INA/DOT_SDI P1.1/STP_MR_INB/DOT_RCK P1.2/STP_MR_INC/DOT_SCK P1.3/STP_MR_IND P1.4/DS12877_CS P1.5/DS12C887_AS P1.6/DS12C887_RW/ECHO P1.7/MR/DS12C887_RD/TRIG P1 P1 P1.0/STP_MR_INA/DOT_SDI P1.1/STP_MR_INB/DOT_RCK P1.2/STP_MR_INC/DOT_SCK P1.3/STP_MR_IND P1.4/DS12877_CS P1.5/DS12C887_AS P1.6/DS12C887_RW/ECHO P1.7/MR/DS12C887_RD/TRIG P0_DB07 P0_DB0 P0_DB1 P0_DB2 P0_DB3 P0_DB4 P0_DB5 P0_DB6 P0_DB7 P0_DB0 P0_DB1 P0_DB2 P0_DB3 P0_DB4 P0_DB5 P0_DB6 P0_DB7 P0_DB0 P0_DB1 P0_DB2 P0_DB3 P0_DB4 P0_DB5 P0_DB6 P0_DB7 P2.0/24C02_SDA/RELAY P2.1/24C02_SCL P2.2/DS18B20 P2.3/BUZZER P2.5/LED_LE P2.6/SEG_DLE P2.7/SEG_WLE P2.1/24C02_SCL P2.0/24C02_SDA/RELAY P2.2/DS18B20 P2.3/BUZZER P2.5/LED_LE P2.7/SEG_WLE P2.6/SEG_DLE P3.0/RXD P3.1/TXD P3.2/INT0/DAC_CS P3.3/INT1 P3.4/LCD_EN P3.5/LCD_RS P3.6/WR P3.7/RD P3.0/RXD P3.1/TXD P3.2/INT0/DAC_CS P3.3/INT1 P3.4/LCD_EN P3.5/LCD_RS P3.6/WR P3.7/RD PI89S5201 PI89S5202 PI89S5203 PI89S5204 PI89S5205 PI89S5206 PI89S5207 PI89S5208 PI89S5209 PI89S52010 PI89S52011 PI89S52012 PI89S52013 PI89S52014 PI89S52015 PI89S52016 PI89S52017 PI89S52018 PI89S52019 PI89S52020 PI89S52021 PI89S52022 PI89S52023 PI89S52024 PI89S52025 PI89S52026 PI89S52027 PI89S52028 PI89S52029 PI89S52030 PI89S52031 PI89S52032 PI89S52033 PI89S52034 PI89S52035 PI89S52036 PI89S52037 PI89S52038 PI89S52039 PI89S52040 CO89S52 PIC401PIC402 COC4 PIC501PIC502 COC5 PIP101 PIP102 PIP103 PIP104 PIP105 PIP106 PIP107 PIP108 PIP109 COP1 PIP601 PIP602 PIP603 PIP604 PIP605 PIP606 PIP607 PIP608 PIP609 PIP6010 COP6 PIP701 PIP702 PIP703 PIP704 PIP705 PIP706 PIP707 PIP708 PIP709 PIP7010 COP7 PIP801 PIP802 PIP803 PIP804 PIP805 PIP806 PIP807 PIP808 PIP809 PIP8010 COP8 PIP901 PIP902 PIP903 PIP904 PIP905 PIP906 PIP907 PIP908 PIP909 PIP9010 COP9 PIS2201 PIS2202 COS22 PIY101 PIY102 COY1 PI89S52019 PIC401 PIY102 NL510XTAL1 PI89S52018PIC501 PIY101 NL510XTAL2 PI89S52020 PIC402 PIC502 PIP6010 PIP7010 PIP8010 PIP9010PI89S52025PIP806 PI89S52029 PI89S52030 PI89S5201 PIP702 NLP1000STP0MR0INA0DOT0SDI POP1 PI89S5202 PIP703 NLP1010STP0MR0INB0DOT0RCK POP1 PI89S5203 PIP704 NLP1020STP0MR0INC0DOT0SCK POP1 PI89S5204 PIP705 NLP1030STP0MR0IND POP1 PI89S5205 PIP706 NLP1040DS128770CSPOP1 PI89S5206 PIP707 NLP1050DS12C8870AS POP1 PI89S5207 PIP708 NLP1060DS12C8870RW0ECHO POP1 PI89S5208 PIP709 NLP1070MR0DS12C8870RD0TRIG POP1 PI89S52021PIP802 NLP200024C020SDA0RELAY POP200024C020SDA0RELAY PI89S52022PIP803 NLP201024C020SCL POP201024C020SCL PI89S52023PIP804 NLP2020DS18B20 POP2020DS18B20 PI89S52024PIP805 NLP2030BUZZER POP2030BUZZER PI89S52026PIP807 NLP2050LED0LE POP2050LED0LE PI89S52027PIP808 NLP2060SEG0DLE POP2060SEG0DLE PI89S52028PIP809 NLP2070SEG0WLE POP2070SEG0WLE PI89S52010PIP902 NLP3000RXD POP3000RXD PI89S52011PIP903 NLP3010TXD POP3010TXD PI89S52012PIP904 NLP3020INT00DAC0CS POP3020INT00DAC0CS PI89S52013PIP905 NLP3030INT1 POP3030INT1 PI89S52014PIP906 NLP3040LCD0EN POP3040LCD0EN PI89S52015PIP907 NLP3050LCD0RS POP3050LCD0RS PI89S52016PIP908 NLP3060WR POP3060WR PI89S52017PIP909 NLP3070RD POP3070RD PI89S5209 PIS2201 NLRESET PI89S52031 PI89S52040 PIP101PIP601 PIP701 PIP801 PIP901 PIS2202 PI89S52039 PIP102PIP602 NLP00DB000070 NLP00DB0 POP00DB000070 PI89S52038 PIP103PIP603 NLP00DB000070 NLP00DB1 POP00DB000070 PI89S52037 PIP104PIP604 NLP00DB000070 NLP00DB2 POP00DB000070 PI89S52036 PIP105PIP605 NLP00DB000070 NLP00DB3 POP00DB000070 PI89S52035 PIP106PIP606 NLP00DB000070 NLP00DB4 POP00DB000070 PI89S52034 PIP107PIP607 NLP00DB000070 NLP00DB5 POP00DB000070 PI89S52033 PIP108PIP608 NLP00DB000070 NLP00DB6 POP00DB000070 PI89S52032 PIP109PIP609 NLP00DB000070 NLP00DB7 POP00DB000070POP00DB0POP00DB1POP00DB2POP00DB3POP00DB4POP00DB5POP00DB6POP00DB7POP00DB000070 POP1POP10P1000STP0MR0INA0DOT0SDIPOP10P1010STP0MR0INB0DOT0RCKPOP10P1020STP0MR0INC0DOT0SCKPOP10P1030STP0MR0INDPOP10P1040DS128770CSPOP10P1050DS12C8870ASPOP10P1060DS12C8870RW0ECHOPOP10P1070MR0DS12C8870RD0TRIG POP200024C020SDA0RELAY POP201024C020SCL POP2020DS18B20 POP2030BUZZER POP2050LED0LE POP2060SEG0DLE POP2070SEG0WLE POP3000RXD POP3010TXD POP3020INT00DAC0CS POP3030INT1 POP3040LCD0EN POP3050LCD0RS POP3060W