Datasheet > FT221X

FT221X

更新时间： 2024-10-29 01:09:43

品牌	Logo	应用领域
飞特帝亚 - FTDI		/
页数	文件大小	规格书
45页	984K
描述
The FT221X is a USB to FTDIâs proprietary FT1248 interface with the following advanced features

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FT221X 数据手册

FT221X USB 8-BIT SPI/FT1248 IC Datasheet

Version 1.3

Document No.: FT_000630 Clearance No.: FTDI# 263

2 FT221X Block Diagram

VCC

1V8 Internal

Core Supply

3.3 Volt LDO

Regulator

1.8 Volt LDO

Regulator

3V3OUT

FIFO RX Buffer

(512 bytes)

VCCIO

MIOSI[0]

MIOSI[1]

MIOSI[2]

MIOSI[3]

MIOSI[4]

MIOSI[5]

MIOSI[6]

MISOI[7]

USB

Transceiver

with

Integrated

1.5k pullups

and battery

charge

USBDP

USBDM

Serial Interface

Engine

USB

Protocol Engine

FT1248

Controller

(SIE)

CLK

CS#

detection

MISO

CBUS3

Internal MTP

Memory

USB DPLL

FIFO TX Buffer

(512 bytes)

3V3OUT

RESET#

Internal

12MHz

Oscillator

X4 Clock

Multiplier

Reset

Generator

48MHz

To USB Transceiver Cell

GND

Figure 2.1 FT221X Block Diagram

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

1 2 345 6 7...45

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