FT234XD-R datasheet(4/37 Pages) FTDI

部件名	FT234XD-R

功能描述	USB to BASIC UART IC

PDF	37 Pages

Scroll/Zoom	100%

制造商	FTDI [Future Technology Devices International Ltd.]

网页	http://www.ftdichip.com

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FT234XD USB TO BASIC UART IC

Version 1.2

Document No.: FT_000753 Clearance No.: FTDI#324

2 FT234XD 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#

CBUS0

Figure 2.1 FT234XD Block Diagram

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

FT234XD-R 数据表(PDF) 4 Page - Future Technology Devices International Ltd.

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