FT221XS-R datasheet(10/45 Pages) FTDI

Nome de Peças	FT221XS-R

Descrição Electrónicos	Future Technology Devices International Ltd.

PDF	45 Pages

Scroll/Zoom	100%

Fabricante Electrônico	FTDI [Future Technology Devices International Ltd.]

Página de início	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

Pin No.

Name

Type

Description

MIOSI[0]

I/O

Bi-Directional data bit 0

MIOSI[1]

I/O

Bi-Directional data bit 1

MIOSI[2]

I/O

Bi-Directional data bit 2

MIOSI[3]

I/O

Bi-Directional data bit 3

MIOSI[4]

I/O

Bi-Directional data bit 4

MIOSI[5]

I/O

Bi-Directional data bit 5

MIOSI[6]

I/O

Bi-Directional data bit 6

MIOSI[7]

I/O

Bi-Directional data bit 7

CLK

Input

Clock input from FT1248 interface master

CS#

Input

Chip select input to enable the device interface. Active low logic.

MISO

Output

Master In Serial Out. Used to provide status information to the FT1248

interface master.

CBUS3

I/O

Configurable CBUS I/O Pin. Function of this pin is configured in the

device MTP memory. See CBUS Signal Options, Table 3.7.

Table 3.6 FT1248 Interface and CBUS Group (see note 1)

Notes:

1. When used in Input Mode, the input pins are pulled to VCCIO via internal 75kΩ (approx) resistors.

These pins can be programmed to gently pull low during USB suspend (PWREN# = “1”) by setting an

option in the MTP memory.

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