W921C843 查看數據表（PDF） - Winbond

零件编号

产品描述 (功能)

比赛名单

W921C843

4-BIT MICROCONTROLLER

Winbond 

W921E840A/W921C840

3. PIN CONFIGURATIONS

40-pin DIP

21

W921E840A - 843A

/W921C840 - 843

1

PIN NAME

P2.0

P2.1

P2.2

P2.3

P3.0/ANI0

P3.1/ANI1

P3.2/ANI2

P3.3/ANI3

P4.0

P4.1

P4.2

P4.3/INT0

P5.0/TM1

P5.1/TM2

P5.2/VREF

P5.3/DAOUT

P6.0/WDATA

P6.1/WCLK

P6.2/RDATA

VSS

DIP40

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

PIN NAME

P6.3/RCLK

PA.0

PA.1

PA.2

PA.3

PB.0

PB.1

PB.2

PB.3

PC.0 or BTG

PC.1

PC.2

PC.3

DTMF

PD.0 or XT

PD.1 or XT

RESET

OSCO

OSCI

VDD

DIP40

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

-6-

Share Link: