BT817Q-R datasheet(5/59 Pages) BRIDGETEK

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BT817/8 Advanced Embedded Video Engine Datasheet

Version 1.1

Document No.: BRT_000302 Clearance No.: BRT#154

4.8 Touch-Screen Engine ............................................................... 31

4.8.1

Resistive Touch Control.............................................................................. 31

4.8.2

Capacitive Touch Control............................................................................ 32

4.8.3

Compatibility Mode.................................................................................... 33

4.8.4

Extended Mode ......................................................................................... 34

4.8.5

Short-Circuit Protection.............................................................................. 34

4.8.6

Capacitive Touch Configuration ................................................................... 34

4.8.7

Host Driven Multi-Touch............................................................................. 35

4.8.8

Touch Detection in none-ACTIVE State ........................................................ 36

4.9 Power Management ................................................................. 36

4.9.1

Power Supply ........................................................................................... 36

4.9.2

Internal Regulator and POR ........................................................................ 37

4.9.3

Power Modes ............................................................................................ 37

4.9.4

Reset and Boot-up Sequence ...................................................................... 38

4.9.5

Pin Status at Different Power States ............................................................ 39

Memory Map................................................................ 40

5.1 Registers.................................................................................. 40

5.2 Chip ID..................................................................................... 44

Devices Characteristics and Ratings ............................ 45

6.1 Absolute Maximum Ratings...................................................... 45

6.2 ESD and Latch-up Specifications .............................................. 45

6.3 DC Characteristics.................................................................... 45

6.4 AC Characteristics.................................................................... 47

6.4.1

System Clock and Reset............................................................................. 47

6.4.2

SPI Interface Timing.................................................................................. 47

6.4.3

RGB Interface Timing ................................................................................ 48

Application Examples .................................................. 49

Package Parameters.................................................... 51

8.1 Part Markings .......................................................................... 51

8.1.1

Top Side .................................................................................................. 51

8.1.2

Bottom Side ............................................................................................. 51

8.2 VQFN-64 Package Dimensions ................................................. 52

8.3 Solder Reflow Profile ............................................................... 53

Contact Information .................................................... 54

Appendix A – References ................................................... 55

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