FT903L-R datasheet(19/67 Pages) BRIDGETEK

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FT900

/1/2/3 Revision C Embedded Microcontroller Datasheet

Version 1.0

Document No.: BRT_000172 Clearance No.: BRT#087

No.

Name

Type

Description

PWM1/GPIO57

I/O

GPIO57 input/output. (By default is GPIO input, internal pull-low)

PWM channel 1, output.

A stereo 16/8-bit PCM audio data channel output.

PWM2/GPIO58

I/O

GPIO58 input/output. (By default is GPIO input, internal pull-low)

PWM channel 2, output.

I2S_SDAO/GPIO60

I/O

GPIO60 input/output. (By default is GPIO input, internal pull-low)

Serial data line output for I2S master or slave.

I2S_SDAI/GPIO61

I/O

GPIO61 input/output. (By default is GPIO input, internal pull-low)

Serial data line input for I2S master or slave.

I2S_BCLK/GPIO62

I/O

GPIO62 input/output. (By default is GPIO input, internal pull-low)

Bit clock line output for I2S master transmitter or input for I2S slave

receiver.

I2S_LRCLK/GPIO63

I/O

GPIO63 input/output. (By default is GPIO input, internal pull-low)

Left / Right clock line output for I2S master transmitter or input for I2S

slave receiver.

I2S_MCLK/GPIO64

I/O

GPIO64 input/output. (By default is GPIO input, internal pull-low)

I2S master transmitter clock output.

I2SM_CLK22/GPIO65

I/O

GPIO65 input/output. (By default is GPIO input, internal pull-low)

I2S master external 22.5792MHz clock input.

I2SM_CLK24/GPIO66

I/O

GPIO66 input/output. (By default is GPIO input, internal pull-low)

I2S master external 24.576MHz clock input.

VBUS_DISCHG/GPIO0

I/O

GPIO0 input/output. (By default is GPIO input, internal pull-high)

USB host VBUS discharge.

OC_N/GPIO1

I/O

GPIO1 input/output. (By default is GPIO input, internal pull-high)

USB host port over current status output. Active low.

PSW_N/GPIO2

I/O

GPIO2 input/output. (By default is GPIO input, internal pull-high)

USB host port external VBUS power switcher. Active low.

VBUS_DTC/GPIO3

I/O

GPIO3 input/output. (By default is GPIO input, internal pull-low)

USB device VBUS detection.

ENET_LED0/GPIO4

I/O

GPIO4 input/output. (By default is GPIO input, internal pull-low)

Ethernet activity indicator LED 0.[2]

ENET_LED1/GPIO5

I/O

GPIO5 input/output. (By default is GPIO input, internal pull-low)

Ethernet activity indicator LED 1.[2]

VOUT1

+1.2V Regulator power output.

This is internal regulator output. Connect 4.7uF and 0.1uF decoupling

capacitors to GND.

This pin must be connected to pins 32 and 67.

FT903L-R Datasheet(PDF) 19 Page - Bridgetek Pte Ltd.

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