FT220XS-U FTDI, FT220XS-U Datasheet - Page 31
FT220XS-U
Manufacturer Part Number
FT220XS-U
Description
USB Interface IC USB to 4 bit SPI / FT1248 IC SSOP-16
Manufacturer
FTDI
Datasheet
1.FT220XS-R.pdf
(48 pages)
Specifications of FT220XS-U
Rohs
yes
Tradename
X-Chip
- Current page: 31 of 48
- Download datasheet (763Kb)
8
The following sections illustrate possible applications of the FT220X. The illustrations have omitted pin
numbers for ease of understanding since the pins differ between the FT220XS and FT220XQ package
options.
8.1 USB to FT1248 Converter
Figure 8.1 Application Example showing USB to FT1248 host
The FT1248 can be used with 1-bit. 2-bit, or 4-bit wide data. The Figure 8.1 is showing 1 bit mode. By
using 4 data bits you need fewer clock cycles to get the data across.
The FT220X is the slave device and the external FPGA/MCU is the bus master. The FT220X will auto
detect the bus width from the initial command byte sent by the controller. If not using all 4 data lines the
pins may be left unterminated as an internal pull-up ensures the device detects logic 1.
Timing diagrams for 1-bit accesses can be seen in figures 8.2 and 8.3.
For further information on the mode see AN_167 FT1248 Basics from the FTDI website.
Application Examples
FT220X
Copyright © 2013 Future Technology Devices International Limited
10k
10k
10k
FT220X USB 4-BIT SPI/FT1248 IC Datasheet
10k
VCCIO
MIOSIO[0]
SCLK
SS_N
MISO
Document No.: FT_000629 Clearance No.: FTDI# 262
FT1248 BUS
MASTER
Version 1.2
31
Related parts for FT220XS-U
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Interface Modules & Development Tools USB to Serial UART MiniB Dev Mod FT232R
Manufacturer:
FTDI
Datasheet:
Part Number:
Description:
BOARD, EVALUATION, EU PSU
Manufacturer:
FTDI
Datasheet:
Part Number:
Description:
BOARD, EVALUATION, UK PSU
Manufacturer:
FTDI
Datasheet:
Part Number:
Description:
BOARD, EVALUATION, US PSU
Manufacturer:
FTDI
Datasheet:
Part Number:
Description:
Specifications: Manufacturer: FTDI ; Product Category: USB Interface IC ; RoHS: Details ; Operating Supply Voltage: 3 V to 5.25 V ; Supply Current: 25 mA ; Maximum Operating Temperature: + 70 C ; Mounting Style: SMD/SMT ; Package / Case: QFN-32
Manufacturer:
FTDI
Part Number:
Description:
integr. usb2.0/uart lqfp32 rohs ftdi reel c1k...
Manufacturer:
FTDI
Datasheet:
Part Number:
Description:
Interface Development Tools USB to UART Breakout Board
Manufacturer:
FTDI
Datasheet:
Part Number:
Description:
IC USB TO SERIAL UART 32-QFN
Manufacturer:
FTDI, Future Technology Devices International Ltd
Part Number:
Description:
USB Interface IC USB to Serial UART Enhanced IC SSOP-28
Manufacturer:
FTDI
Datasheet:
Part Number:
Description:
IC, USB UART INTERFACE, SSOP-28
Manufacturer:
FTDI
Datasheet:
Part Number:
Description:
IC, USB UART INTERFACE, QFN-32
Manufacturer:
FTDI
Datasheet:
Part Number:
Description:
IC, USB FIFO INTERFACE, SSOP-28
Manufacturer:
FTDI
Datasheet:
Part Number:
Description:
MODULE, USB, 4 PORT, FT4232H BASED
Manufacturer:
FTDI
Datasheet:
Part Number:
Description:
357-036-542-201 CARDEDGE 36POS DL .156 BLK LOPRO
Manufacturer:
FTDI
Datasheet:
Part Number:
Description:
357-036-542-201 CARDEDGE 36POS DL .156 BLK LOPRO
Manufacturer:
FTDI
Datasheet: