红外接收原理图

1

2

3

4

A+5V P0.0 1 P0.1 2 P0.2 3 P0.3 4 P0.4 5 P0.5 6 P0.6 7 P0.7 8 10KΩ*8 16 15 14 13 12 11 10 9

A

30pF X1 2+5V 1 12MHZ

30pF AT89S52 19 18 XTAL1 XTAL2 RST P0.0/AD0 P0.1/AD1 P0.2/AD2 P0.3/AD3 P0.4/AD4 P0.5/AD5 P0.6/AD6 P0.7/AD7 P2.0/A8 P2.1/A9 P2.2/A10 P2.3/A11 P2.4/A12 P2.5/A13 P2.6/A14 P2.7/A15 P3.0/RXD P3.1/TXD P3.2/INT0 P3.3/INT1 P3.4/T0 P3.5/T1 P3.6/WR P3.7/RD 39 38 37 36 35 34 33 32 21 22 23 24 25 26 27 28 10 11 12 13 14 15 16 17 P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7

C1 9 10pF B+5V 29 30 31 R1 10kΩ P1.0 1 P1.1 2 3 4 5 6 7 8 C p1.0/T2 p1.1/T2EX p1.2 p1.3 p1.4 p1.5 p1.6 p1.7

B

PSEN ALE EA

+5V D? R2 LED0 40Ω

R3 4.7KΩ

Q1 9013

C

P0.0

P0.1

P0.2

P0.3

P0.4

P0.5

P0.6

P1.0

SW1 P1.1

SW2

SW3

SW4

SW9

SW10

SW11

SW-12

SW5 D

SW6

SW7

SW8

SW13

SW14

SW15 Title

SW16 D Number Revision

Size A4 Date: File: 1 2 3

2012/3/24 E:\example2012.3.7\Sheet2.SchDoc

P0.7

Sheet of Drawn By: 4