BT816Q-R datasheet(4/64 Pages) BRIDGETEK

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BT81X (815/6) Advanced Embedded Video Engine Datasheet

Version 1.0

Document No.: BRT_000220 Clearance No.: BRT#126

Table of Contents

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

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

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

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

3.1 BT815 VQFN-64 Package Pin Out ............................................... 7

3.2 BT816 VQFN-64 Package Pin Out ............................................... 7

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

Functional Description................................................. 12

4.1 Quad SPI Host Interface .......................................................... 12

4.1.1

QSPI Interface .......................................................................................... 12

4.1.2

Serial Data Protocol................................................................................... 14

4.1.3

Host Memory Read .................................................................................... 14

4.1.4

Host Memory Write.................................................................................... 15

4.1.5

Host Command ......................................................................................... 15

4.1.6

Interrupts ................................................................................................ 19

4.2 System Clock ........................................................................... 20

4.2.1

Clock Source ............................................................................................ 20

4.2.2

Phase Locked Loop .................................................................................... 21

4.2.3

Clock Enable............................................................................................. 21

4.2.4

Clock Frequency........................................................................................ 21

4.3 Graphics Engine ....................................................................... 21

4.3.1

Introduction ............................................................................................. 21

4.3.2

ASTC ....................................................................................................... 22

4.3.3

ROM and RAM Fonts .................................................................................. 22

4.4 SPI NOR Flash Interface .......................................................... 26

4.5 Parallel RGB Interface ............................................................. 26

4.6 Miscellaneous Control .............................................................. 29

4.6.1

Backlight Control Pin ................................................................................. 29

4.6.2

DISP Control Pin ....................................................................................... 29

4.6.3

General Purpose IO pins ............................................................................ 29

4.6.4

Pins Drive Current Control .......................................................................... 30

4.7 Audio Engine............................................................................ 30

4.7.1

Sound Synthesizer .................................................................................... 30

4.7.2

Audio Playback ......................................................................................... 32

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