1
X1 11.0598 MHz P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 P3.0 P3.1 P3.2 P3.3 P3.4 P3.5 P3.6 P3.7 1 2 3 4 5 6 7 8 9 10 PORT-0 1 2 3 4 5 6 7 8 9 10 PORT-1 1 2 3 4 5 6 7 8 9 10 PORT-2 1 2 3 4 5 6 7 8 9 10 PORT-3 P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 P3.0 P3.1 P3.2 P3.3 P3.4 P3.5 P3.6 P3.7 VCC VCC VCC VCC VCC Q1 R1 10K R2 150 VCC Q2 R3 10K R4 150 Q3 R5 10K R6 150 Q4 R7 10K R8 150 Q5 R9 10K R10 150 Q6 R11 10K R12 150 Q7 R13 10K R14 150 LED0 LED1 LED2 LED3 LED4 LED5 LED6 Q8 DRV7 R15 10K R16 150 LED7 1 2 3 4 5 6 7 8 9 10 LEDs LED0 LED1 LED2 LED3 LED4 LED5 LED6 LED7 VCC R17 150 R18 10K SW0 VLED VCC SW0 R19 150 R20 10K SW1 R21 150 R22 10K SW2 R23 150 R24 10K SW3 R25 150 R26 10K SW4 R27 150 R28 10K SW5 R29 150 R30 10K SW6 R31 150 R32 10K SW7 SW1 SW2 SW3 SW4 SW5 SW6 SW7 1 2 3 4 5 6 7 8 9 10 SWITCHES VCC SW0 SW1 SW2 SW3 SW4 SW5 SW6 SW7 LED0 LED1 LED2 LED3 LED4 LED5 LED6 LED7 P2.0 P2.1 P2.2 P2.3 P2.4 P2.5 P2.6 P2.7 P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 P2.0 P2.1 P2.2 P2.3 P2.4 P2.5 P2.6 P2.7 C1 22P C2 22P VCC PSEN RESET A0 10 A1 9 A2 8 A3 7 A4 6 A5 5 A6 4 A7 3 A8 25 A9 24 A10 21 A11 23 A12 2 A13 26 I/O0 11 I/O1 12 I/O2 13 I/O3 15 I/O4 16 I/O5 17 I/O6 18 I/O7 19 OE 22 CE 20 WE 27 GND 14 VCC 28 A14 1 U3 IS62C256AL OC 1 C 11 1D 2 1Q 19 2D 3 2Q 18 3D 4 3Q 17 4D 5 4Q 16 5D 6 5Q 15 6D 7 6Q 14 7D 8 7Q 13 8D 9 8Q 12 U2 MC74HC573 P0.0/AD0 43 P0.1/AD1 42 P0.2/AD2 41 P0.3/AD3 40 P0.4/AD4 39 P0.5/AD5 38 P0.6/AD6 37 P0.7/AD7 36 EA 35 ALE/PROG 33 PSEN 32 P2.7/A15 31 P2.6/A14 30 P2.5/A13 29 P2.4/A12 28 P2.3/A11 27 P2.2/A10 26 P2.1/A9 25 P2.0/A8 24 VSS 22 XTAL1 21 XTAL2 20 P3.0/RxD 11 P3.1/TxD 13 P3.2/INT0 14 P3.3/INT1 15 P3.4/T0 16 P3.5/T1 17 P3.6/WR 18 P3.7/RD 19 P1.0/T2 2 P1.1/T2EX/SS 3 P1.2/ECI 4 P1.3/CEX0 5 P1.4/CEX1 6 P1.5/CEX2/MISO 7 P1.6/CEX3/SCK 8 P1.7/CEX4/MOSI 9 RESET 10 VCC 44 U1 AT89C51XD2 ALE ALE VCC C3 100n C4 100n VCC C5 100n P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 1 6 2 7 3 8 4 9 5 CN2 RS232 SPARE 1 6 2 7 3 8 4 9 5 CN1 RS232 CONTROL C6 10u C7 10u C8 10u C9 10u C10 10u C11 10u C12 10u C13 10u VCC VCC C1+ 1 C1- 3 C2+ 4 C2- 5 VS+ 2 VS- 6 11 10 12 9 14 7 13 8 VCC 16 GND 15 U4 MAX232 C1+ 1 C1- 3 C2+ 4 C2- 5 VS+ 2 VS- 6 11 10 12 9 14 7 13 8 VCC 16 GND 15 U5 MAX232 C18 100n C19 100n RESET PSEN PSEN P3.1 (TXD) P3.0 (RXD) R34 10K VCC 1 3 2 4 ~ ~ B2 BRIDGE 1 1 2 2 3 3 U6 LM7805 VCC 1 1 2 2 3 3 U7 LM7805 VLED R35 150 LED8 1 2 TXD 1 2 RXD P3.1 P3.0 (RXD) (TXD) B1 BATT 9 - 15V SW8 POWER 1 2 3 U8A 74HC00 SW9 RESET VCC C14 100n Cx51 Schematic Diagram

Cx51

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DESCRIPTION

AT89C51ED2 Circuit

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  • X1

    1

    1

    .

    0

    5

    9

    8

    M

    H

    z

    P1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7

    P3.0P3.1P3.2P3.3P3.4P3.5P3.6P3.7

    1 23 45 67 89 10

    PORT-0

    1 23 45 67 89 10

    PORT-1

    1 23 45 67 89 10

    PORT-2

    1 23 45 67 89 10

    PORT-3P1.0 P1.1P1.2 P1.3P1.4 P1.5P1.6 P1.7

    P3.0 P3.1P3.2 P3.3P3.4 P3.5

    P3.6 P3.7

    VCC

    VCC

    VCC

    VCC

    VCC

    Q1R1

    10K

    R2

    150

    VCC

    Q2R310K

    R4

    150

    Q3R510K

    R6150

    Q4R7

    10K

    R8150

    Q5R910K

    R10

    150

    Q6R11

    10K

    R12

    150

    Q7R1310K

    R14

    150

    LED0

    LED1

    LED2

    LED3

    LED4

    LED5

    LED6

    Q8

    DRV7

    R1510K

    R16150

    LED7

    1 23 45 67 89 10

    LEDsLED0 LED1LED2 LED3LED4 LED5LED6 LED7

    VCC

    R17

    150

    R1810K

    SW0

    VLED VCC

    SW0

    R19150

    R2010K

    SW1

    R21

    150

    R2210K

    SW2

    R23150

    R2410K

    SW3

    R25150

    R2610K

    SW4

    R27

    150

    R2810K

    SW5

    R29150

    R3010K

    SW6

    R31150

    R3210K

    SW7

    SW1

    SW2

    SW3

    SW4

    SW5

    SW6

    SW7

    1 23 45 67 89 10

    SWITCHES

    VCC

    SW0 SW1SW2 SW3SW4 SW5SW6 SW7

    LED0

    LED1

    LED2

    LED3

    LED4

    LED5

    LED6

    LED7

    P2.0 P2.1P2.2 P2.3P2.4 P2.5P2.6 P2.7

    P0.0 P0.1P0.2 P0.3P0.4 P0.5P0.6 P0.7

    P0.0P0.1P0.2P0.3P0.4P0.5P0.6P0.7

    P2.0P2.1P2.2P2.3P2.4P2.5P2.6P2.7

    C1

    22P

    C2

    22P

    VCC

    PSEN

    RESET

    A010A19A28A37A46A55A64A73A825A924A1021A1123A122A1326

    I/O0 11I/O1 12I/O2 13I/O3 15I/O4 16I/O5 17I/O6 18I/O7 19

    OE22CE20

    WE27 GND 14

    VCC 28A141

    U3

    IS62C256AL

    OC1C11

    1D21Q 19

    2D32Q 18

    3D43Q 17

    4D54Q 16

    5D65Q 15

    6D76Q 14

    7D87Q 13

    8D98Q 12

    U2

    MC74H

    C573

    P0.0/AD0 43P0.1/AD1 42P0.2/AD2 41P0.3/AD3 40P0.4/AD4 39P0.5/AD5 38P0.6/AD6 37P0.7/AD7 36

    EA 35

    ALE/PROG 33

    PSEN 32

    P2.7/A15 31P2.6/A14 30P2.5/A13 29P2.4/A12 28P2.3/A11 27P2.2/A10 26P2.1/A9 25P2.0/A8 24

    V

    S

    S

    2

    2

    XTAL121

    XTAL220

    P3.0/RxD11P3.1/TxD13P3.2/INT014P3.3/INT115P3.4/T016P3.5/T117P3.6/WR18P3.7/RD19

    P1.0/T22P1.1/T2EX/SS3P1.2/ECI4P1.3/CEX05P1.4/CEX16P1.5/CEX2/MISO7P1.6/CEX3/SCK8P1.7/CEX4/MOSI9

    RESET10

    V

    C

    C

    4

    4

    U1

    AT89C51XD2

    ALE

    ALE

    VCC

    C3

    100n

    C4 100nVCC

    C5100n

    P0.0P0.1P0.2P0.3P0.4P0.5P0.6P0.7

    162738495

    CN2

    RS232 SPA

    RE

    162738495

    CN1

    RS232 CO

    NTRO

    L

    C6 10u

    C7

    10u

    C8

    10u

    C9

    10u

    C10

    10u

    C11

    10u

    C12

    10u

    C13

    10u

    VCC

    VCC

    C1+1

    C1-3

    C2+4

    C2-5

    VS+ 2

    VS- 6

    11

    10

    12

    9

    14

    7

    13

    8

    V

    C

    C

    1

    6

    G

    N

    D

    1

    5

    U4

    MAX232

    C1+1

    C1-3

    C2+4

    C2-5

    VS+ 2

    VS- 6

    11

    10

    12

    9

    14

    7

    13

    8

    V

    C

    C

    1

    6

    G

    N

    D

    1

    5

    U5

    MAX232

    C18 100n

    C19

    100n

    RESET

    PSEN

    PSEN

    P3.1 (TXD)

    P3.0 (RXD)

    R34 10K

    VCC

    1

    3

    2

    4

    ~

    ~

    B2

    BRIDGE

    1 1

    2

    2

    33

    U6

    LM7805

    VCC

    1 1

    2

    2

    33

    U7

    LM7805

    VLED

    R35150LED8

    1 2 TXD

    1 2 RXD

    P3.1

    P3.0 (RXD)

    (TXD)

    B1

    BATT 9 - 15V

    SW8

    POWER

    1

    23 U8A

    74HC00

    SW9

    RESET

    VCC

    C14

    100n

    Cx51Schematic Diagram


The Keil Cx51 ANSI C Complier supports all classic and ... Keil Cx51 ANSI C Complier supports all classic and ... Keil PK51 is easy to learn and use, yet powerful enough for the most demanding 8051 applications

The Keil Cx51 ANSI C Complier supports all classic and ... Keil Cx51 ANSI C Complier supports all classic and ... Keil PK51 is easy to learn and use, yet powerful enough for the most demanding 8051 applications

Documents
Building a Salvo Application with Keil's Cx51 C Compiler ... Application Note explains how to use Keil's ... You can use all of the IDE's supported features when debugging and testing Salvo applications

Building a Salvo Application with Keil's Cx51 C Compiler ... Application Note explains how to use Keil's ... You can use all of the IDE's supported features when debugging and testing Salvo applications

Documents
Salvo Compiler Reference Manual – Keil Cx51 - Pumpkin, RM-KC51 Salvo Compiler Reference Manual – Keil Cx51 ... (e.g. the xdata space) include the ability to place global variables at an address of 0x0000. If the

Salvo Compiler Reference Manual – Keil Cx51 - Pumpkin, RM-KC51 Salvo Compiler Reference Manual – Keil Cx51 ... (e.g. the xdata space) include the ability to place global variables at an address of 0x0000. If the

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