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BT81X (815/6) Advanced Embedded Video Engine Datasheet

Version 1.0

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

Pin Number

Pin Name

Type

Description

BT815

BT816

VCCIO3

I/O power supply for SPIM pins. Support 1.8V, 2.5V

or 3.3V.

VCCIO3 can be connected to different voltage with

VCCIO1 or VCCIO2.

SPIM_MISO

I/O

SPI flash MISO line

Powered from pin VCCIO3

SPIM_IO2

I/O

SPI flash IO2 line

Powered from pin VCCIO3

SPIM_IO3

I/O

SPI flash IO3 line

Powered from pin VCCIO3

X1/CLK

Crystal oscillator or clock input

3.3V peak input allowed.

Powered from pin VCC.

Crystal oscillator output

Powered from pin VCC.

GND

Ground

VCC

3.3V power supply input.

VOUT1V2

1.2V regulator output pin. Connect a 4.7uF

decoupling capacitor to GND.

AUDIO_L

Audio Sigma-delta output

Powered from pin VCCA

VCCA

3.3V power supply input.

VCCIO2

I/O power supply for RGB and touch pins. Supports

1.8V, 2.5V or 3.3V. VCCIO2 can be connected to

different voltage with VCCIO1 or VCCIO3.

AI/O

Connect to X right electrode of 4-wire resistive touch-

screen panel.

Powered from pin VCCIO2.

AI/O

Connect to Y top electrode of 4-wire resistive touch-

screen panel.

Powered from pin VCCIO2.

AI/O

Connect to X left electrode of 4-wire resistive touch-

screen panel.

Powered from pin VCCIO2.

AI/O

Connect to Y bottom electrode of 4-wire resistive

touch-screen panel.

Powered from pin VCCIO2.

CTP_RST_N

Connect to reset pin of the CTPM.

Powered from pin VCCIO2.

CTP_INT_N

I/O

Connect to interrupt pin of the CTPM.

Powered from pin VCCIO2.

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