1

2

3

4

5

6

A

B

C

D

6

5

4

3

2

1

D

C

B

A

Title

Number

Revision

Size

B

Date:

15-Mar-2001

Sheet of

File:

C:\WINDOWS\Pulpit\rejestrator_czasu_pracy\rejestrator.DDB

Drawn By:

CE0

1

CE1

2

CE2

3

GND

4

SDA

5

SCL

6

WC

7

VCC

8

U2

24LC64

OSC1

1

OSC2

2

A0

3

GND

4

SDA

5

SCL

6

INT

7

VCC

8

U1

PCF8583

TXD

3

RXD

2

RST

1

XTAL1

5

VCC

20

P1.7

19

P1.6

18

P1.5

17

XTAL2

4

T1

9

T0

8

/INT1

7

/INT0

6

AIN0

12

AIN1

13

P1.2

14

P1.3

15

P1.4

16

GND

10

P3.7

11

U3

AT89C2051

TRX

RXD

GND

V+

JP1

4 HEADER

IN

1

OUT

3

GND

2

U10

7805

+

C1

500u

D2

DIODE

C3
100n

C2
100n

R1

1k

BT1
3V

Y1

CRYSTAL

R2
10k

R5
RES2

R4
10k

R3
10k

V5

Vbat

V5

Vbat

Vbat

Vbat

V5

Y2

CRYSTAL

R7

30

R6
1k

C4

10u

D1

V12

V12