AT83C5123 datasheet(9/213 Pages) ATMEL

Part #	AT83C5123

Description	MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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9 / 213 page

9

AT8xC5122/23

4202D–SCR–06/05

AT89C5122DS version

Figure 4. VQFP64 Package Pinout

62 61 60 59 58

63

57 56 55 54 53

P4.1/MOSI

P4.0/MISO

P4.2/SCK

P4.5/LED6

P3.1/TxD

P4.3/LED4

P4.4/LED5

P3.6/WR/LED2

CRST

CCLK

2

3

4

5

6

7

8

9

10

11

48

47

46

45

44

43

42

41

40

39

38

VQFP64

64

52

12

13

36

37

VSS

P5.0/KB0

51 50 49

P3.3/INT1

35

33

34

P3.4/T0/LED1

P3.5/T1/CRST1

14

15

16

31 32

P1.2/CPRES

P1.6/SS

P2.7/A15

P5.1/KB1

P5.2/KB2

P5.3/KB3

P5.4/KB4

P5.5/KB5

P5.6/KB6

P5.7/KB7

P3.2/INT0/LED0/CIO1

CC4

PSEN

DVCC

CC8

P3.0/RxD

1

30

29

28

27

26

25

24

23

22

21

20

19

18

17

RST

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