FT800 datasheet(6/55 Pages) FTDI

6 / 55 page

Document No.: FT_000792

FT800

Embedded Video Engine

Datasheet Version 1.1

Clearance No.: FTDI# 334

Contents

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

1.1

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

FT800 Block Diagram .............................................................4

Device Pin Out and Signal Description ...................................8

3.1

VQFN-48 Package Pin Out............................................................8

3.2

Pin Description ............................................................................9

Function Description ............................................................14

4.1

Serial Host Interface..................................................................14

4.1.1

SPI Interface ................................................................................................... 16

4.1.2

I²C Interface ................................................................................................... 16

4.1.3

Serial Data Protocol.......................................................................................... 16

4.1.4

Host Memory Read ........................................................................................... 16

4.1.5

Host Memory Write .......................................................................................... 17

4.1.6

Host Command ................................................................................................ 17

4.1.7

Interrupts ....................................................................................................... 18

4.2

System Clock .............................................................................19

4.2.1

Crystal Oscillator.............................................................................................. 19

4.2.2

Phase Locked Loop........................................................................................... 20

4.2.3

Clock Enable.................................................................................................... 20

4.2.4

Clock Frequency .............................................................................................. 20

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

4.8

Power Management ...................................................................30

4.8.1

Power supply................................................................................................... 30

4.8.2

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

FT800 Datasheet(PDF) 6 Page - Future Technology Devices International Ltd.

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