AT89C5131A-L(2004) 데이터 시트보기 (PDF) - Atmel Corporation

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AT89C5131A-L
(Rev.:2004)

8-bit Flash Microcontroller with Full Speed USB Device

Atmel Corporation 

Figure 3. AT89C5131A-L 48-pin MLF Pinout

48 47 46 45 44 43 42 41 40 39 38 37

P4.1/SDA 1

P2.3/A11 2

P2.4/A12 3

P2.5/A13 4

XTAL2 5

XTAL1 6

P2.6/A14 7

P2.7/A15 8

VDD 9

AVDD 10

AVSS 11

P3.0/RxD 12

MLF 48

36 P1.0/T2/KIN0

35 P0.1/AD1

34 P0.2/AD2

33 RST

32 P0.3/AD3

31 VSS

30 P0.4/AD4

29 P3.7/RD/LED3

28 P0.5/AD5

27 P0.6/AD6

26 P0.7/AD7

25 P3.6/WR/LED2

13 14 15 16 17 18 19 20 21 22 23 24

The MLF48 package does not allow external memory acces through P0/P2 ports (exter-

nal code execution or external XRAM access).

P0 and P2 ports are output only ports for MLF48 package.

Figure 4. AT89C5131A-L 28-pin SO Pinout

P1.5/CEX2/KIN5/MISO 1

P1.6/CEX3/KIN6/SCK 2

P1.7/CEX4/KIN7/MOSI 3

P4.0/SCL 4

P4.1/SDA 5

XTAL2 6

XTAL1 7

VDD 8

AVSS 9

P3.0/RxD 10

PLLF 11

D- 12

D+ 13

VREF 14

SO28

28 P1.4/CEX1/KIN4

27 P1.3/CEX0/KIN3

26 P1.2/ECI/KIN2

25 P1.1/T2EX/KIN1/SS

24 P1.0/T2/KIN0

23 RST

22 VSS

21 P3.7/RD/LED3

20 P3.6/WR/LED2

19 P3.5/T1/LED1

18 P3.4/T0

17 P3.3/INT1/LED0

16 P3.2/INT0

15 P3.1/TxD

6 AT89C5131A-L

4338A–USB–08/04

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