Rainbow-electronics AT89C5122 Manual do Utilizador descarregar pdf (Página 11)

11

AT8xC5122/23

4202E–SCR–06/06

Low Pin Count Package

Description

AT8xC5122 and AT83C5123

versions

Figure 6. PLCC28 Package Pinout

AT83C5123 version Figure 7. VQFP32 Package Pinout

CIO

PLCC28

P3.1/TxD

CCLK

VSS

CC4

DVCC

CC8

XTAL1

XTAL2

LI

VCC

P3.7/LED3

CVCC

CVSS

P3.6/LED2

CRST

P3.3/INT1

P1.2/CPRES

D-

D+

AVCC

AVSS

PLLF

P3.2/INT0/LED0

P3.4/T0/LED1

P3.0/RxD

1234282726

5

6

7

8

9

10

11

25

24

23

22

21

20

19

15141312 16 1718

VREF

RST

CIO

VQFP32

P3.1/TxD

CCLK

P5.0

CC4

DVCC

CC8

XTAL1

LI

VCC

P3.7/LED3

CVCC

CVSS

P3.6/LED2

CRST

P1.2/CPRES

D-

D+

AVCC

AVSS

PLLF

P3.4/T0/LED1

P3.0/RxD

28 27 26

1

2

3

4

5

6

7

24

23

22

21

20

19

18

1211109 131415

VSS

8

16

17

P1.6

P3.5/T1/CRST1

P1.7/CCLK1

VREF

2529303132

XTAL2

RST

P3.2/INT0/LED0/CIO1

P3.3/INT1

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 212 213

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