FT801 datasheet(5/57 Pages) FTDI

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Document No.: FT_000986

FT801

Embedded Video Engine

Datasheet Version 1.0

Clearance No.:

FTDI#376

Contents

Typical Applications...................................................................... 3

1.1

Part Numbers...................................................................................... 3

FT801 Block Diagram.................................................................... 4

Device Pin Out and Signal Description.......................................... 7

3.1

VQFN-48 Package Pin Out................................................................... 7

3.2

Pin Description ................................................................................... 8

Function Description................................................................... 13

4.1

Serial Host Interface......................................................................... 13

4.1.1

SPI Interface............................................................................................................. 15

4.1.2

I²C Interface ............................................................................................................. 15

4.1.3

Serial Data Protocol ................................................................................................... 15

4.1.4

Host Memory Read..................................................................................................... 15

4.1.5

Host Memory Write .................................................................................................... 16

4.1.6

Host Command.......................................................................................................... 16

4.1.7

Interrupts ................................................................................................................. 17

4.2

System Clock .................................................................................... 18

4.2.1

Clock Source ............................................................................................................. 18

4.2.2

Phase Locked Loop..................................................................................................... 19

4.2.3

Clock Enable ............................................................................................................. 19

4.2.4

Clock Frequency ........................................................................................................ 19

4.3

Graphics Engine ................................................................................ 20

4.3.1

Introduction .............................................................................................................. 20

4.3.2

ROM and RAM Fonts................................................................................................... 21

4.4

Parallel RGB Interface ...................................................................... 24

4.5

Miscellaneous Control ....................................................................... 26

4.5.1

Backlight Control Pin .................................................................................................. 26

4.5.2

DISP Control Pin ........................................................................................................ 26

4.5.3

General Purpose IO pins ............................................................................................. 26

4.5.4

Pins Drive Current Control .......................................................................................... 26

4.6

Audio Engine..................................................................................... 27

4.6.1

Sound Synthesizer ..................................................................................................... 27

4.6.2

Audio Playback .......................................................................................................... 29

4.7

Touch-Screen Engine ........................................................................ 29

4.7.1

Compatibility mode .................................................................................................... 30

4.7.2

Extended mode ......................................................................................................... 30

4.8

Power Management .......................................................................... 31

4.8.1

Power supply............................................................................................................. 31

4.8.2

Internal Regulator and POR......................................................................................... 31

FT801 Datasheet(PDF) 5 Page - Future Technology Devices International Ltd.

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