FT800Q-R datasheet(7/46 Pages) BRIDGETEK

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FT800 Embedded Video Engine Datasheet

Version 1.4

Document No.: BRT_000039 Clearance No.: BRT#001

3.2 Pin Description

Pin No.

Name

Type

Description

AUDIO_L

Audio PWM out, push-pull output, 16mA

sink/source current.

Pad powered from pin VCC.

GND

Ground

SPI_SCLK/ I2C_SCL

In SPI mode: SPI SCLK input.

In I2C mode: SCL input, need external 1kΩ ~

4.7kΩ pull up to VCCIO.

Input pad with Schmitt trigger, 3.3V tolerant.

Pad powered from pin VCCIO.

MISO/ I2C_SDA

I/O

In SPI mode: SPI MISO output.

In I2C mode: SDA input/Open Drain Output,

need external1kΩ ~ 4.7kΩ pull up to VCCIO.

Input with Schmitt trigger, 3.3V tolerant,

4/8/12/16mA sink/source current.

Pad powered from pin VCCIO.

MOSI/ I2C_SA0

In SPI mode: SPI MOSI input.

In I2C mode: Input, bit 0 of I2C device address.

Input pad, 3.3V tolerant.

Pad powered from pin VCCIO.

CS_N/ I2C_SA1

In SPI mode: SPI CS_N input, active low.

In I2C mode: Input, bit 1 of I2C device address.

Input pad, 3.3V tolerant.

Pad powered from pin VCCIO.

GPIO0/ I2C_SA2

I/O

In SPI mode: General purpose input, output port.

In I2C mode: Input, bit 2 of I2C device address.

Push-pull, three-state output. 3.3V tolerant,

4/8/12/16mA sink/source current.

Pad powered from pin VCCIO.

GPIO1

I/O

General purpose input, output port.

Push-pull, three-state output. 3.3V tolerant,

4/8/12/16mA sink/source current.

Pad powered from pin VCCIO.

VCCIO

I/O power supply, connect a 0.1uF decoupling

capacitor. Support 1.8V, 2.5V or 3.3V.

Note: VCCIO supply to IO pads from pin 3 to 12

only.

MODE

Host interface SPI(pull low) or I2C(pull up) mode

select input, 3.3V tolerant

Pad powered from pin VCCIO.

INT_N

Host Interrupt, open drain output, active low,

pull up to VCCIO through a 1kΩ ~10kΩ resistor.

PD_N

Power down input, active low, 3.3V tolerant, pull

up to VCCIO through 47kΩ resistor and 100nF to

ground.

Pad powered from pin VCCIO.

X1/ CLK

Crystal oscillator or clock input; Connect to GND

if not used.

3.3V peak input allowed.

Pad powered from pin VCC.

Crystal oscillator output; leave open if not used.

Pad powered from pin VCC.

GND

Ground

VCC

3.3V power supply input.

VCC1V2

1.2V regulator output pin. Connect a 4.7uF

decoupling capacitor to GND.

VCC

3.3V power supply input.

X+

AI/O

Connect to X right electrode of 4-wire touch-

screen panel.

FT800Q-R Datasheet(PDF) 7 Page - Bridgetek Pte Ltd.

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