W77E468 查看數據表（PDF） - Winbond

零件编号

产品描述 (功能)

生产厂家

W77E468

8 BIT MICROCONTROLLER

Winbond 

Preliminary W77E468

TYPICAL APPLICATION CIRCUITS

Using External ROM and RAM

VDD

19 99 99 99 99 988 88 88 88 8

098 76 54 32 10 98 76 54 3 21

0

PN P P P P P P P PD D DD D DD D VV

1

1

.

C

5

.

5

.

0 76

P1.1

55

..

54

5

.

3

55

..

21

57

.

0

6543

21

0 DD

DD

P0.0 80

2 P1.2

P0.1 79

3 P1.3

P0.2 78

4 P1.4

P0.3 77

5 P1.5

P0.4 76

VDD 10 U

8.2 K

6 P1.6

7 P1.7

8 RESET

9 P4.0

10 P4.1

P0.5 75

+5V

P0.6 74

P0.7 73

EA 72

VDD 71

11 P4.2

12 P4.3

VSS 70

A0 69

13 P4.4

14 P4.5

15 P4.6

16 P4.7

W77E468

A1 68

A2 67

A3 66

A4 65

17 VDD

A5 64

VDD

18 VDD

19 VDD

20 VDD

A6 63

A7 62

ALE 61

21 P3.0, RXD

22 P3.1, TXD

23 P3.2, INT0

24 P3.3, INT1

25 P3.4, T0

26 P3.5, T1

27 P3.6

28 P3.7

NC 60

VSS 59

VSS 58

P2.7 57

P2.6 56

P2.5 55

P2.4 54

P2.3 53

29 XTAL2

P2.2 52

30 XTAL1

P2.1 51

R

P

PPPP

P

C2

C1

VV

S

6 6 6 6 A AA AA A

2

S S R WE N N . . . . 1 1 1 1 1 1 A A .

S S D RN CC 3 2 1 0 5 4 3 2 1 0 9 8 0

3 3333 3 3 3344 44 44 44 44 5

12345 67890 123 45 6789 0

10 A0

9

8

A1

A2

7 A3

6 A4

5 A5

4 A6

3 A7

25 A8

24 A9

21 A10

23 A11

2 A12

26 A13

27 A14

1 A15

GND 20 CE

22

OE

W27E512

Q0

Q1

Q2

11

12

13

Q3 15

Q4 16

Q5 17

Q6 18

Q7 19

28

VDD

+5V

14

GND

12 A0

11

10

A1

A2

9 A3

8

7

A4

A5

6 A6

5

27

26

23

A7

A8

A9

A10

25 A11

4 A12

28

3

31

A13

A14

A15

W24512

22

GND

CS1

30

GND

CS2

WO

EE

22

94

I/O1 13

I/O2 14

I/O3 15

I/O4 17

I/O5 18

I/O6

I/O7

I/O8

19

20

21

32

VDD

+5V

16

VSS

Figure A

- 82 -

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