FT311D-32L1C-R datasheet(25/40 Pages) FTDI

tên linh kiện	FT311D-32L1C-R

Giải thích chi tiết về linh kiện	USB Android Host IC

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DS_FT311D

USB ANDROID HOST IC Datasheet

Version 1.2

Document No.: FT_000660 Clearance No.: FTDI# 305

8.2 USB to UART Converter

FT311D

SHIELD

Ferrite

Bead

GND

3V3

GND

VCCIO

VREGOUT

USBDM

USBDP

1V8 PLL VCC IN

RESET#

100nF

4.7uF

IOBUS4

VCC

3V3

REGULATOR

27R

100nF

3V3

IOBUS0

IOBUS1

IOBUS2

IOBUS3

IOBUS5

IOBUS6

IOBUS7

GND

47pF

CNFG0

CNFG1

CNFG2

GND

MCU/FPGA

UART_TXD

UART_RXD

UART_RTS#

UART_CTS#

UART_TX_ACTIVE

3V3

10k

Figure 8.2 Application Example showing USB to UART Converter

This example shows the CNFGx pins set for mode 001 - UART.

The UART signals are at 3V3 level and may be used to drive directly into a FPGA or MCU with a 3V3

interface, or could be level shifted with an RS232, RS422 or RS485 transceiver. The UART_TX_ACTIVE

signal is used mostly with RS485 transceivers to enable the transmit drivers.

The unused pins may be left unterminated.

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