PIN DESCRIPTION (Continued)

I/O PORT

Name

Function

Alternate Function

Pin Assignment

Port.bit

9294J

9294N

P0.0

I/O

10

12

P0.1

I/O

9

11

P0.2

I/O

8

10

P0.3

I/O

7

9

P0.4

I/O

6

8

P0.5

I/O

5

6

P0.6

I/O

4

5

P0.7

I/O

3

4

P1.0

I/O

-

52

P1.1

I/O

-

51

P1.2

I/O

-

50

P1.3

I/O

-

49

P1.4

I/O

-

48

P1.5

I/O

-

47

P1.6

I/O

-

46

P1.7

I/O

-

45

P2.0

INT7

I

External Interrupt 7 with Schmitt Trigger

1

2

P2.1

INT5

I

External Interrupt 5 with Schmitt Trigger

42

1

P2.1

AIN1

I

A/D Analog Input 1

42

1

P2.2

INT0

I

External Interrupt 0

41

56

P2.2

AIN2

I

A/D Analog Input 2

41

56

P2.3

INT6

I

External Interrupt 6

40

55

P2.3

SDO

O

MSPI Serial Data Output

40

55

P2.4

NMI

I

Non-Maskable Interrupt

39

54

P2.5

AIN3

I

A/D Analog Input 3

38

53

P3.0

FB

O

Fast Blanking OSD output

18

23

P3.1

R

O

Red Video Colour OSD output

17

22

P3.2

G

O

Green Video Colour OSD output

16

21

P3.3

B

O

Blue Video Colour OSD output

15

20

Table 1-1. ST9294 I/O Port Alternative Function Summary

®

ST9294

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