FT221XS-R datasheet(9/45 Pages) FTDI

部件名	FT221XS-R

功能描述	Future Technology Devices International Ltd.

PDF	45 Pages

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制造商	FTDI [Future Technology Devices International Ltd.]

网页	http://www.ftdichip.com

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FT221X USB 8-BIT SPI/FT1248 IC Datasheet

Version 1.3

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

3.2 20-LD SSOP Package

MIOSI1

MIOSI7

MIOSI5

MIOSI6

MIOSI3

MISO

USBDP

USBDM

3V3OUT

RESET#

CS#

CLK

CBUS3

MIOSI0

MIOSI4

MIOSI2

Figure 3.2 SSOP Schematic Symbol

3.2.1 SSOP Package PinOut Description

Note : # denotes an active low signal.

Pin No.

Name

Type

Description

VCC

POWER

Input

5 V (or 3V3) supply to IC

VCCIO

POWER

Input

1V8 - 3V3 supply for the IO cells

3V3OUT

POWER

Output

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

When VCC is 3V3; pin 13 is an input pin and should be

connected to pin 15.

6, 16

GND

POWER

Input

0V Ground input.

Table 3.4 Power and Ground

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

Pin No.

Name

Type

Description

USBDM

INPUT

USB Data Signal Minus.

USBDP

INPUT

USB Data Signal Plus.

RESET#

INPUT

Reset input (active low).

Table 3.5 Common Function pins

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