Datasheet > FT221X

FT221X

更新时间： 2022-02-26 11:23:24

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

3 Device Pin Out and Signal Description

3.1 20-LD QFN Package

3V3OUT

MIOSI0

MIOSI1

MIOSI2

MIOSI3

MIOSI4

MIOSI5

MIOSI6

MIOSI7

USBDM

USBDP

RESET#

CLK

CS#

MISO

CBUS3

Figure 3.1 QFN Schematic Symbol

3.1.1 QFN Package PinOut Description

Note : # denotes an active low signal.

Pin No.

Name

Type

Description

POWER

Input

5 V (or 3V3) supply to IC

VCC

POWER

Input

VCCIO

1V8 - 3V3 supply for the IO cells

3V3 output at 50mA. May be used to power VCCIO.

POWER

Output

When VCC is 3V3; pin 10 is an input pin and should be

connected to pin 12

3V3OUT

POWER

Input

3, 13

GND

0V Ground input.

Table 3.1 Power and Ground

*Pin 21 is the centre pad under the IC. Connect to GND.

** If VCC is 3V3 then 3V3OUT must also be driven with 3V3 input

1...4 5 678 9 10...45

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