FT933Q-R datasheet(25/65 Pages) BRIDGETEK

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FT93x Datasheet Embedded Microcontroller Datasheet

Version 1.5

Document Reference No.: BRT_000051

Clearance No.: BRT#049

No.

Name

Type

Description

SPIS_MOSI/SD_CD/GPIO2

I/O

GPIO2 input/output. (By default is GPIO input,

internal pull-low)

SD card detect input.

SPIS_SS/SD_DATA0/GPIO3

I/O

GPIO3 input/output. (By default is GPIO input,

internal pull-low)

Slave select input for SPI slave.

SD card data bus line 0 input/output.

PWM7/SD_DATA1/PWM0/

GPIO4

I/O

GPIO4 input/output. (By default is GPIO input,

internal pull-low)

PWM channel 7, output.

SD card data bus line 1 input/output.

PWM channel 0, output. A stereo 16/8-bit PCM audio

data channel output.

PWM6/SD_DATA2/PWM1/

GPIO5

I/O

GPIO5 input/output. (By default is GPIO input,

internal pull-low)

PWM channel 6, output.

SD card data bus line 2 input/output.

PWM channel 1, output. A stereo 16/8-bit PCM audio

data channel output.

PWM5/SD_DATA3/GPIO6

I/O

GPIO6 input/output. (By default is GPIO input,

internal pull-low)

PWM channel 5, output.

SD card data bus line 3 input/output.

PWM4/SD_WP/GPIO7

I/O

GPIO7 input/output. (By default is GPIO input,

internal pull-low)

PWM channel 4, output.

SD card write protection input.

VCC1V2

+1.2V core voltage.

This is internal regulator output and core voltage

input. Connect 4.7uF and 0.1uF decoupling

capacitors to GND.

VCCIO3V3

+3.3V supply voltage.

This is the supply voltage for all the I/O ports.

Connect a 0.1uF decoupling capacitor.

XI/CLKIN

12MHz clock frequency. Input to the Oscillator

circuit.

XIO

AI/O

Output from the Oscillator amplifier. Input to the

internal clock generator circuit.

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