PIN DESCRIPTION (Continued)

I/O PORT

Name

Function

Alternate Function

Pin

Assignment

Port.bit

9293J

P2.3

INT3

I

External Interrupt 3

42

P2.4

WDOUT

O

T/WD Output

1

P2.4

EXTRG

I

External A/D Trigger

1

P2.5

SDO

O

MSPI Serial Data Output

2

P2.6

INT2

I

External Interrupt 2

3

P2.6

SCK

O

SPI Serial Clock

3

P2.7

SDO

O

SPI Serial Data Output

4

P2.7

SDI

I

SPI Serial Data Input

4

P3.3

O

(12V Open Drain Output)

34

P3.3

SLOUT

O

Slice Timer Output

34

P3.4

O

(12V Open Drain Output)

35

P3.4

SLIN

I

Slice Timer Input

35

P3.5

INT4

I

Schmitt Triggered Input Only

36

P3.6

WDIN

I

T/WD Input

37

P3.6

AIN4

I

A/D Analog Input 4

37

P3.7

NMI

I

Non-Maskable Interrupt

38

P4.5

AIN5

I

A/D Analog Input 5

27

P4.6

AIN6

I

A/D Analog Input 6

28

P4.7

AIN7

I

A/D Analog Input 7

29

P5.0

I/O

14

P5.1

I/O

15

P5.2

I/O

16

P5.3

FB

O

Fast Blanking OSD output

17

P5.4

B

O

Blue Video Colour OSD output

18

P5.5

G

O

Green Video Colour OSD output

19

P5.6

R

O

Red Video Colour OSD output

20

Table 1-2. ST9293 I/O Port Alternate Function Summary

Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the

consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No

license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned

in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.

SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without the

express written approval of SGS-THOMSON Microelectronics.

© 1995 SGS-THOMSON Microelectronics - All rights reserved.

Purchase of I

2

C Components by SGS-THOMSON Microelectronics conveys a license under the Philips I

2

C Patent.

Rights to use these components in an I

2

C system is granted provided that the system conforms to the I

2

C Standard

Specification as defined by Philips.

SGS-THOMSON Microelectronics Group of Companies

Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco

The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.

®

ST9293

4/4