PCA84C846 Ver la hoja de datos (PDF) - Philips Electronics

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PCA84C846

Microcontrollers for TV tuning control and OSD applications

Philips Electronics 

Philips Semiconductors

Microcontrollers for TV tuning

control and OSD applications

CONTENTS

12

1

FEATURES

12.1

12.2

1.1

PCF84CXXXA kernel

12.3

1.2

VST and OSD derivative

12.4

2

GENERAL DESCRIPTION

12.5

3

ORDERING INFORMATION

12.6

12.7

4

BLOCK DIAGRAM

13

5

PINNING INFORMATION

5.1

Pinning

14

5.2

Pin description

6

RESET

14.1

6.1

Reset trip level

14.2

6.2

Reset status

15

7

ANALOG CONTROL

16

7.1

6 and 7-bit PWM outputs (PWM00 to PWM07) 17

7.2

VST control 14-bit PWM DAC

18

8

AFC INPUT

19

9

OSD (ON SCREEN DISPLAY) FUNCTION

20

9.1

Features

9.2

Horizontal display position control

21

9.3

Vertical display position control

22

9.4

Clock generator

23

10

DISPLAY RAM ORGANIZATION

24

10.1

Description of display RAM codes

25

10.2

Loading character data into display RAM

10.3

Writing character data to display RAM

26

10.4

Default value of the display character

27

11

CHARACTER ROM

28

11.1

Character ROM organization

Preliminary specification

PCA84C646; PCA84C846

OSD CONTROL REGISTERS

Derivative Register 22 (CON1)

Derivative Register 23 (CON2)

Derivative Register 33 (CON3)

Derivative Register 34 (CON4)

Derivative Register 35 (VPOS)

Derivative Register 36 (HPOS)

Derivative Register 37 (BCC)

COMBINATION OF TWO OR MORE FONT

CELLS TO FORM A NEW FONT

OSD CLOCK IN DIFFERENT TV

STANDARDS

Maximum number of characters per row

Maximum number of rows per frame

T3: 8-BIT COUNTER

I2C-BUS MASTER SLAVE TRANSCEIVER

DERIVATIVE REGISTERS

INPUT/OUTPUT

OPTION LISTS

LIMITING VALUES

DC CHARACTERISTICS

AC CHARACTERISTICS

AFC CHARACTERISTICS

PACKAGE OUTLINE

SOLDERING

DEFINITIONS

LIFE SUPPORT APPLICATIONS

PURCHASE OF PHILIPS I2C COMPONENTS

1995 Jun 15

2

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