FT231XQ-R datasheet(4/45 Pages) FTDI

Part #	FT231XQ-R

Description	USB to FULL HANDSHAKE UART IC

PDF	45 Pages

Scroll/Zoom	100%

Manufacturer	FTDI [Future Technology Devices International Ltd.]

Direct Link	http://www.ftdichip.com

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FT231X USB TO FULL HANDSHAKE UART IC

Datasheet

Version 1.2

Document No.: FT_000565 Clearance No.:

FTDI# 261

2 FT231X Block Diagram

3.3 Volt LDO

Regulator

1.8 Volt LDO

Regulator

USB

Transceiver

with

Integrated

1.5k pullups

and battery

charge

detection

USB DPLL

Internal

12MHz

Oscillator

X4 Clock

Multiplier

Serial Interface

Engine

(SIE)

USB

Protocol Engine

UART FIFO

Controller

UART Controller

with

Programmable

Signal Inversion

Baud Rate

Generator

Reset

Generator

FIFO TX Buffer

(512 bytes)

FIFO RX Buffer

(512 bytes)

Internal MTP

Memory

48MHz

GND

RESET#

To USB Transceiver Cell

3V3OUT

48MHz

3V3OUT

VCC

USBDP

USBDM

1V8 Internal

Core Supply

TXD

RXD

RTS#

CTS#

DTR#

DSR#

DCD#

RI#

CBUS0

CBUS1

CBUS2

CBUS3

Figure 2.1 FT231X Block Diagram

For a description of each function please refer to Section 4.

FT231XQ-R Datasheet(PDF) 4 Page - Future Technology Devices International Ltd.

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