FT800Q datasheet(4/46 Pages) BRIDGETEK

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FT800 Embedded Video Engine Datasheet

Version 1.4

Document No.: BRT_000039 Clearance No.: BRT#001

Table of Contents

Typical Applications................................................. 2

1.1 Part Numbers ......................................................................2

FT800 Block Diagram .............................................. 3

Device Pin Out and Signal Description..................... 6

3.1 VQFN-48 Package Pin Out ...................................................6

3.2 Pin Description ....................................................................7

Function Description ............................................. 10

4.1 Serial Host Interface .........................................................10

4.1.1

SPI Interface .................................................................................... 12

4.1.2

I²C Interface .................................................................................... 12

4.1.3

Serial Data Protocol........................................................................... 12

4.1.4

Host Memory Read............................................................................ 12

4.1.5

Host Memory Write ........................................................................... 13

4.1.6

Host Command................................................................................. 13

4.1.7

Interrupts ........................................................................................ 14

4.2 System Clock .....................................................................15

4.2.1

Clock Source .................................................................................... 15

4.2.2

Phase Locked Loop............................................................................ 16

4.2.3

Clock Enable .................................................................................... 16

4.2.4

Clock Frequency ............................................................................... 16

4.3 Graphics Engine ................................................................16

4.3.1

Introduction ..................................................................................... 16

4.3.2

ROM and RAM Fonts .......................................................................... 17

4.4 Parallel RGB Interface .......................................................20

4.5 Miscellaneous Control .......................................................21

4.5.1

Backlight Control Pin ......................................................................... 21

4.5.2

DISP Control Pin ............................................................................... 21

4.5.3

General Purpose IO pins .................................................................... 21

4.5.4

Pins Drive Current Control.................................................................. 22

4.6 Audio Engine .....................................................................22

4.6.1

Sound Synthesizer ............................................................................ 22

4.6.2

Audio Playback ................................................................................. 24

4.7 Touch-Screen Engine.........................................................24

4.8 Power Management...........................................................26

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