PCA84C646P datasheet(2/72 Pages) PHILIPS

2 / 72 page

1995 Jun 15

Philips Semiconductors

Preliminary speciﬁcation

Microcontrollers for TV tuning

control and OSD applications

PCA84C646; PCA84C846

CONTENTS

FEATURES

1.1

PCF84CXXXA kernel

1.2

VST and OSD derivative

GENERAL DESCRIPTION

ORDERING INFORMATION

BLOCK DIAGRAM

PINNING INFORMATION

5.1

Pinning

5.2

Pin description

RESET

6.1

Reset trip level

6.2

Reset status

ANALOG CONTROL

7.1

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

7.2

VST control 14-bit PWM DAC

AFC INPUT

OSD (ON SCREEN DISPLAY) FUNCTION

9.1

Features

9.2

Horizontal display position control

9.3

Vertical display position control

9.4

Clock generator

DISPLAY RAM ORGANIZATION

10.1

Description of display RAM codes

10.2

Loading character data into display RAM

10.3

Writing character data to display RAM

10.4

Default value of the display character

CHARACTER ROM

11.1

Character ROM organization

OSD CONTROL REGISTERS

12.1

Derivative Register 22 (CON1)

12.2

Derivative Register 23 (CON2)

12.3

Derivative Register 33 (CON3)

12.4

Derivative Register 34 (CON4)

12.5

Derivative Register 35 (VPOS)

12.6

Derivative Register 36 (HPOS)

12.7

Derivative Register 37 (BCC)

COMBINATION OF TWO OR MORE FONT

CELLS TO FORM A NEW FONT

OSD CLOCK IN DIFFERENT TV

STANDARDS

14.1

Maximum number of characters per row

14.2

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

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