1

2

3

4

5

6

7

8

A

B

C

D

8

7

6

5

4

3

2

1

D

C

B

A

Title

Number

Revision

Size

A3

Date:

14-Oct-2006

Sheet    of 

File:

E:\bonson\project.Ddb

Drawn By:

C1
104

C2
104

E1
470uF/25V

E2
470uF/16V

VCC

LED
R2.5

R1

1K

100mA

500mA

1

2

3

J1

DC5V

S1

S600

Vin

1

G

N

D

2

Vout

3

U1
LM1117-3.3V

R16

510

R19

510

TXD0

LED

STATUS

LED

R15

510

RXD0

LED

1

2

3

IC4A

7404

4

5

6

IC4B

7404

1

2

3

IC4A

7404

STA

RXD

TXD

Y1

11.0592

C7
22P

C8
22P

VCC

RESET

RXD

TXD

STA
SDA

VCC

BP1
BUZZER

Q4
9013

R11

4.7K

R10

300

P16

P00

P01

P02

P03

P04

P05

P06

P07

KEY1

KEY2

KEY3

KEY4

C3
104

C4
104

C5
104

C6
104

VCC

CPU模块

电 源 模 块

指 示 灯 模 块

E3
10uF/16V

R2
10K

VCC

RESET

P20

1

P21

2

KBIO/CMP2/P00

3

P17

4

P16

5

P15/RST

6

VSS

7

X

1/

P

31

8

C

L

K

O

U

T

/X

2/

P3

0

9

INT1/P14

10

SDA/INT0/P13

11

SCL/T0/P12

12

P22/MOSI

13

P23/MISO

14

P24/SS

15

P25/SPIClk

16

RXD/P11

17

TXD/P10

18

KBI7/T1/P07

19

KBI6/CMP1/P06

20

VDD

21

KBI5/CmpRef/P05

22

KBI4/CIN1A/P04

23

KBI3/CIN1B/P03

24

KBI2/CIN2A/P02

25

KBI1/CIN2b/P01

26

P26

27

P27

28

U7
P89LPC930

P20

P21

P22

P23

P24

P25

P26

P27

P16
P17

1
2
3

J2

CON3

RXD
TXD
GND

P00

P01

P02

P03

11

12

13

IC4D

7404

1
2

J3

CON2

P17

键 盘 输 入 模 块

1

2

3

4

5

6

7

8

9

10

1

1

12

1

3

1

4

1

5

1

6

17

1

8

J?

CON18

VCC

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

输 出 模 块