8051 Monochrome

3

7-SEGMENT LED

P0_1

LED2

LED6

LED D3

LED D7

2

1

LED3

P0_6

LED7

LED D4

LED D8

P0_3

LED4

P0_7

LED8

LED

1 2 3 4 5 6 7 8 9

LED8 LED7 LED6 LED5 LED4 LED3 LED2 LED1

11 7 4 2 1 10 5 3

a a a a a b f b f b f b c f g b g g g d c e c e c e c e e d d d d f dp dp dp dp g dot

470

LED

IR TRANSMITTER

Q3 PNP BASE2

R3

Q4 PNP

B4

B7

SW-PB

SW-PB

SW-PB

B2

B5

B8

P2_1

SW-PB

SW-PB

SW-PB

B3

B6

B9

SW-PB

SW-PB

SW-PB

C2 1uF/50V VCC VCC

P2_2

C1 1uF/50V

Q5 PNP

1uF/50V J1

U1 RXD COM P2_3 P2_4 P2_5

BASE3

C3

U1TX

Q6 PNP

BASE4

13 8 11 10 1 3

C4 1uF/50V

R1 IN R2 IN T1 IN T2 IN C1+ C1 -

U1RX

12 9 14 7 4 5

R1 OUT R2 OUT T1 OUT T2 OUT C2+ C2 -

TXD COM

C5 1uF/50V

IC MAX232CPE

5 9 4 8 RXD COM3 7 TXD COM2 6 1

15

BASE1

B1 P2_0

VCC

VCC

D

DS1 P0_0 P0_1 P0_2 P0_3 P0_4 P0_5 P0_6 P0_7

R_SIP1

P0_5

8

2 6 16

LED D6

7

RS232 COMMUNICATION

2

A4

LED D2

1

ANODE4 6

LED5

A3

P0_4

ANODE3 8

LED1

A2

1

6

BUTTON MATRIX

VCC

ANODE2 9

2

P0_2

JP1

D5

A1

D1 P0_0

5

V+ VVCC

LED - LIGHT EMITTING DIODE

4

ANODE1 12

D

2

GND

1

4K7

ANODE1

R4 Q1 A1013

P1_4

D9 IR LED

ANODE3

DB9 FEMALE

EXTERNAL INTERRUPT

ANODE4

P3_3

4K7 P1_0

R15 2K2

ANODE2 BASE1

R5

P1_1

BASE2

P1_2

R10

BASE3

P1_3

4K7 R11

BASE4

4K7

B10 SW-PB VCC

P3_0 P3_1

R30 10K

U1RX U1TX

4K7

R13 47/1W

C8 100nF C

C

IR RECEIVER 1 2 3

C7 10uF/16V

C12 33pF XTAL 2

RESET VCC

Y1 11.0592MHz

P3_4

R33 10K

B11 J3

R19 1K

XTAL 1

1 2

C13 33pF

R9 4K7 LCD1

R17 1K R25 100

U3 R18 1K R211K

R28 100

DIR VCC 74245 A0 #OE A1 B0 A2 B1 A3 B2 A4 B3 A5 B4 A6 B5 A7 B6 GND B7 IC 74HC245

R20 1K

R26 100

20 19 18 17 16 15 14 13 12 11

VCC

R12 4K7

R27 100 SCK MISO MOSI RST GND VCC

R29 100 C14 10nF 1

2

P1_7 P1_6 P1_5 RESET

GND VCC VEF RS RW EN D0 D1 D2 D3 D4 D5 D6 D7 A K

1 2 3 4 5 6 7 8 9 10

VCC

3

W

RVAR1 5K

VCO

Q2 A1013

P3_6 R16 2K2

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

1 2 JACK2

R8 4K7

D10 GREEN LED

GND VCC VCO P2_6 P2_7 P3_5 P0_0 P0_1 P0_2 P0_3 P0_4 P0_5 P0_6 P0_7

VCC

J2

R32 470

R7 4K7

1

EXTERNAL CRYSTAL

R6 4K7

1

RESET CIRCUIT

VCC

1 14 2 15 3 16 4 17 5 18 6 19 7 20 8 21 9 22 10 23 11 24 12 25 13

2

P3_2

2

R2 4K7

EVENT COUNTER

LPT1

CON3

KTRA

R1 100/1W

VCC

LCD - LIQUID CRYSTAL DISPLAY

IN-SYSTEM PROGRAMMER

U2

C6 10uF/16V

R14 47/1W

C9 100nF

R22 1K

DB25 MALE

JACK2

B

B

8051 MICROCONTROLLER VCC

VCC R_SIP2 U5

P3_7 P2_6 P2_7

1 2 3

P2_7 P2_6 P2_5 P2_4 P2_3 P2_2 P2_1 P2_0

19

9 8 7 6 5 4 3 2 1

18 17 16 15 14 13 12 11

D0 D1 D2 D3 D4 D5 D6 D7

CS RD WR CLKR

R31 10K

20

VCC

4

S1 SW DPDT

12V

1

JP2

100uH/3A 2 1

1

HEADER 2

V- V+

BRIDGE1 2A

C15 100uF/50V

3 C17 1000uF/50V

VCC

L1

C18 1000uF/50V

C19 104

C20 22uF/50V

+VIN

FEEDBACK

OUTPUT

4 2

L_N1 100uH/3A D_N1 FR307

C21 1000uF/16V

C11 VCC 100nF

10 8

DGND CLKIN AGND

C16 1nF

9

VREF/2 IC ADC0804

C10

U6 LM2576

P0_0 P0_1 P0_2 P0_3 P0_4 P0_5 P0_6 P0_7

5

INTR

10K

VCC

Vin(+) Vin(-)

ON/OFF

6 7

10K R_SIP3

VCC

IC AT89S52

R34 5K

GND

P0_0 P0_1 P0_2 P0_3 P0_4 P0_5 P0_6 P0_7 VCC

1 2 3 4 5 6 7 8 9

5

40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21

3

VCC P0.0(AD0) P0.1(AD1) P0.2(AD2) P0.3(AD3) P0.4(AD4) P0.5(AD5) P0.6(AD6) P0.7(AD7) EA ALE PSEN P2.7(A15) P2.6(A14) P2.5(A13) P2.4(A12) P2.3(A11) P2.2(A10) P2.1(A9) P2.0(A8)

2

P1.0(T2) P1.1(T2 EX) P1.2 P1.3 P1.4 P1.5(MOSI) P1.6(MISO) P1.7(SCK) RST RXD/P3.0 TXD/P3.1 INTR0/P3.2 INTR1/P3.3 TIMER 0/P3.4 TIMER 1/P3.5 WR/P3.6 RD/P3.7 XTAL2 XTAL1 GND

AC AC

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

4

U4 P1_0 P1_1 P1_2 P1_3 P1_4 P1_5 P1_6 P1_7 RESET P3_0 P3_1 P3_2 P3_3 P3_4 P3_5 P3_6 P3_7 XTAL 2 XTAL 1

POWER SUPPLY CIRCUIT

ADC - ANALOG TO DIGITAL CONVERTER

J4

R23 1K

D11 1

VCC

VCC

CON1 J5

R24 1K

1

100nF GND

R35 820

RED LED

VCC

CON1 A

A

Title Size

8051 STARTER KIT Number

Revision

A2 Date: File: 1

2

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