USB Interface IC USB to Serial UART Enhanced IC SSOP-28

FT232RL-REEL

Manufacturer Part NumberFT232RL-REEL
DescriptionUSB Interface IC USB to Serial UART Enhanced IC SSOP-28
ManufacturerFTDI
TypeUSB to UART
FT232RL-REEL datasheet
 


Specifications of FT232RL-REEL

Maximum Operating Temperature85 CMinimum Operating Temperature-40 C
Mounting StyleSMD/SMTSupply Current15 mA
Operating Supply Voltage3.3 V to 5.25 VPackage / CaseSSOP 5.3mm x 10.28mm
Description/functionUSB to Serial UART Enhanced IC SSOP-28Operating Temperature Range- 40 C to + 85 C
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
1
Page 1
2
Page 2
3
Page 3
4
Page 4
5
Page 5
6
Page 6
7
Page 7
8
Page 8
9
Page 9
10
Page 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
Page 1/43

Download datasheet (769Kb)Embed
Next
Future Technology Devices
International Ltd
FT232R USB UART IC
The FT232R is a USB to serial UART
interface with the following advanced
features:
Single chip USB to asynchronous serial data
transfer interface.
Entire USB protocol handled on the chip. No
USB specific firmware programming required.
Fully integrated 1024 bit EEPROM storing
device descriptors and CBUS I/O configuration.
Fully integrated USB termination resistors.
Fully
integrated
clock
external crystal required plus optional clock
output selection enabling a glue-less interface
to external MCU or FPGA.
Data transfer rates from 300 baud to 3 Mbaud
(RS422, RS485, RS232 ) at TTL levels.
128 byte receive buffer and 256 byte transmit
buffer utilising buffer smoothing technology to
allow for high data throughput.
FTDI‟s royalty-free Virtual Com Port (VCP) and
Direct
(D2XX)
drivers
requirement for USB driver development in
most cases.
Unique USB FTDIChip-ID™ feature.
Configurable CBUS I/O pins.
Transmit and receive LED drive signals.
UART interface support for 7 or 8 data bits, 1
or 2 stop bits and odd / even / mark / space /
no parity
Neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or reproduced
in any material or electronic form without the prior written consent of the copyright holder. This product and its documentation are
supplied on an as-is basis and no warranty as to their suitability for any particular purpose is either made or implied. Future Technology
Devices International Ltd will not accept any claim for damages howsoever arising as a result of use or failure of this product. Your
statutory rights are not affected. This product or any variant of it is not intended for use in any medical appliance, device or system in
which the failure of the product might reasonably be expected to result in personal injury. This document provides preliminary
information that may be subject to change without notice. No freedom to use patents or other intellectual property rights is implied by
the publication of this document. Future Technology Devices International Ltd, Unit 1, 2 Seaward Place, Centurion Business Park, Glasgow
G41 1HH United Kingdom. Scotland Registered Company Number: SC136640
Copyright © 2010 Future Technology Devices International Limited
FT232R USB UART IC Datasheet Version 2.07
.
FIFO receive and transmit buffers for high data
throughput.
Synchronous
interface options with RD# and WR# strobes.
Device supplied pre-programmed with unique
USB serial number.
Supports bus powered, self powered and high-
power bus powered USB configurations.
Integrated +3.3V level converter for USB I/O.
Integrated level converter on UART and CBUS
for interfacing to between +1.8V and +5V
generation
with
no
logic.
True 5V/3.3V/2.8V/1.8V CMOS drive output
and TTL input.
Configurable I/O pin output drive strength.
Integrated power-on-reset circuit.
Fully integrated AVCC supply filtering - no
external filtering required.
UART signal inversion option.
+3.3V (using external oscillator) to +5.25V
eliminate
the
(internal oscillator) Single Supply Operation.
Low operating and USB suspend current.
Low USB bandwidth consumption.
UHCI/OHCI/EHCI host controller compatible.
USB 2.0 Full Speed compatible.
-40°C to 85°C extended operating temperature
range.
Available in compact Pb-free 28 Pin SSOP and
QFN-32 packages (both RoHS compliant).
Document No.: FT_000053
Clearance No.: FTDI# 38
and
asynchronous
bit
bang
1

FT232RL-REEL Summary of contents

  • Page 1

    ... Data transfer rates from 300 baud to 3 Mbaud (RS422, RS485, RS232 ) at TTL levels. 128 byte receive buffer and 256 byte transmit buffer utilising buffer smoothing technology to allow for high data throughput. FTDI‟s royalty-free Virtual Com Port (VCP) and Direct (D2XX) drivers requirement for USB driver development in most cases. Unique USB FTDIChip-ID™ ...

  • Page 2

    ... For driver installation, please refer to 1.2 Part Numbers Part Number FT232RQ-xxxx FT232RL-xxxx Note: Packing codes for xxxx is: - Reel: Taped and Reel, (SSOP is 2,000pcs per reel, QFN is 6,000pcs per reel). - Tube: Tube packing, 47pcs per tube (SSOP only) - Tray: Tray packing, 490pcs per tray (QFN only) For example: FT232RQ-Reel is 6,000pcs taped and reel packing Copyright © ...

  • Page 3

    ... USB Compliant The FT232R is fully compliant with the USB 2.0 specification and has been given the USB-IF Test-ID (TID) 40680004. Copyright © 2010 Future Technology Devices International Limited Document No.: FT_000053 FT232R USB UART IC Datasheet Version 2.07 Clearance No.: FTDI ...

  • Page 4

    ... FT232R USB UART IC Datasheet Version 2.07 SLEEP# FIFO RX Buffer USB Engine Protocol Engine ( SIE ) Internal EEPROM FIFO TX Buffer 48MHz To USB Transeiver Cell Document No.: FT_000053 Clearance No.: FTDI# 38 Baud Rate 48MHz Generator UART Controller with UART Programmable FIFO Controller Signal Inversion 3V3OUT Reset RESET# Generator ...

  • Page 5

    ... USB to MCU UART Interface .............................................................. 30 7.5 LED Interface .................................................................................... 31 7.6 Using the External Oscillator ............................................................ 32 8 Internal EEPROM Configuration .................................................... 33 9 Package Parameters ..................................................................... 35 9.1 SSOP-28 Package Dimensions .......................................................... 35 Copyright © 2010 Future Technology Devices International Limited Document No.: FT_000053 FT232R USB UART IC Datasheet Version 2.07 Clearance No.: FTDI ...

  • Page 6

    ... QFN-32 Package Typical Solder Paste Diagram ................................. 37 9.5 Solder Reflow Profile ........................................................................ 38 10 Contact Information ................................................................... 39 Appendix A – References ........................................................................... 40 Appendix B - List of Figures and Tables ..................................................... 41 Appendix C - Revision History .................................................................... 43 Copyright © 2010 Future Technology Devices International Limited Document No.: FT_000053 FT232R USB UART IC Datasheet Version 2.07 Clearance No.: FTDI ...

  • Page 7

    ... VCC. This means that in bus powered designs a regulator which is supplied by the +5V on the USB bus should be used. Device ground supply pins Document No.: FT_000053 Clearance No.: FTDI VCCIO TXD VCC RXD USBDM RTS# USBDP CTS# FT232RL DTR DSR# 19 RESET DCD# 27 OSCI 28 OSCO CBUS0 ...

  • Page 8

    ... Configurable CBUS output only Pin. Function of this pin is configured in the device internal EEPROM. Factory default configuration is SLEEP#. See CBUS Signal Options, Table 3.9. Configurable CBUS I/O Pin. Function of this pin is configured in the device internal EEPROM. Factory default configuration is TXDEN. See CBUS Signal Options, Table 3.9. Document No.: FT_000053 Clearance No.: FTDI ...

  • Page 9

    ... Configurable CBUS I/O Pin. Function of this pin is configured in the device internal EEPROM. Factory default configuration is RXLED#. See CBUS Signal Options, Table 3.9. Configurable CBUS I/O Pin. Function of this pin is configured in the device internal EEPROM. Factory default configuration is TXLED#. See CBUS Signal Options, Table 3.9. Document No.: FT_000053 Clearance No.: FTDI ...

  • Page 10

    ... Copyright © 2010 Future Technology Devices International Limited FT232R USB UART IC Datasheet Version 2. VCCIO I 19 VCC 15 USBDM 14 USBDP RESET VCCIO 1 OSCI 28 RXD 2 OSCO RI 3V3OUT GND DSR# 6 DCD# 7 CTS Description Description Document No.: FT_000053 Clearance No.: FTDI# 38 TXD RXD RTS# CTS# FT232RQ DTR# DSR# DCD# RI# CBUS0 CBUS1 CBUS2 CBUS3 CBUS4 ...

  • Page 11

    ... Configurable CBUS I/O Pin. Function of this pin is configured in the device internal 10 CBUS2 I/O EEPROM. Factory default configuration is TXDEN. See CBUS Signal Options, Table 3.9. Copyright © 2010 Future Technology Devices International Limited Document No.: FT_000053 FT232R USB UART IC Datasheet Version 2.07 Clearance No.: FTDI# 38 Description Description Description 11 ...

  • Page 12

    ... When used in Input Mode, the input pins are pulled to VCCIO via internal 200kΩ resistors. These pins can be programmed to gently pull low during USB suspend (PWREN# = “1”) by setting an option in the internal EEPROM. Copyright © 2010 Future Technology Devices International Limited Document No.: FT_000053 FT232R USB UART IC Datasheet Version 2.07 Clearance No.: FTDI# 38 Description 12 ...

  • Page 13

    ... The following options can be configured on the CBUS I/O pins. CBUS signal options are common to both package versions of the FT232R. These options can be configured in the internal EEPROM using the software utility FT_PPROG or MPROG, which can be downloaded from the FTDI Utilities (www.ftdichip.com). The default configuration is described in Section 8. ...

  • Page 14

    ... With the FT232R device this mode has been enhanced by outputting the internal RD# and WR# strobes signals which can be used to allow external logic to be clocked by accesses to the bit-bang I/O bus. This option will be described more fully in a separate application note available from FTDI website (www.ftdichip.com). ...

  • Page 15

    ... The internal EEPROM descriptors can be programmed in circuit, over USB without any additional voltage requirement. It can be programmed using the FTDI utility software called MPROG, which can be downloaded from FTDI Utilities on the FTDI website (www.ftdichip.com). +3.3V LDO Regulator. The +3.3V LDO regulator generates the +3.3V reference voltage for driving the USB transceiver cell output buffers. It requires an external decoupling capacitor to be attached to the 3V3OUT regulator output pin. It also provides +3.3V power to the 1.5kΩ ...

  • Page 16

    ... This gives achievable baud rates in the range 183.1 baud to 3,000,000 baud. When a non-standard baud rate is required simply pass the required baud rate value to the driver as normal, and the FTDI driver will calculate the required divisor, and set the baud rate. See FTDI application note AN232B-05 on the FTDI website (www ...

  • Page 17

    ... Parameter Storage Temperature Floor Life (Out of Bag) At Factory Ambient (30°C / 60% Relative Humidity) Ambient Temperature (Power Applied) MTTF FT232RL MTTF FT232RQ VCC Supply Voltage DC Input Voltage – USBDP and USBDM DC Input Voltage – High Impedance Bidirectionals DC Input Voltage – All Other Inputs DC Output Current – ...

  • Page 18

    ... Minimum Typical Maximum 2.2 2.7 3.2 0.3 0.4 0.5 1.0 1.2 1 Document No.: FT_000053 Clearance No.: FTDI# 38 Units Conditions Using Internal V Oscillator Using External V Crystal V mA Normal Operation μA USB Suspend V Units Conditions V I source = 2mA V I sink = 2mA V ** ...

  • Page 19

    ... Minimum Typical Maximum 2.2 2.8 3.2 0.3 0.4 0.6 1.0 1.2 1 Document No.: FT_000053 Clearance No.: FTDI# 38 Units Conditions V I source = 1mA V I sink = 2mA Units Conditions V I source = 0.2mA V I sink = 0.5mA Units Conditions V I source = 6mA ...

  • Page 20

    ... Minimum Typical Maximum 1.35 1.67 1.8 0.12 0.18 0.35 1.0 1.2 1 Minimum Typical Maximum 1.3 1.6 1 Document No.: FT_000053 Clearance No.: FTDI# 38 Units Conditions V I source = 3mA V I sink = 8mA Units Conditions V I source = 0.4mA V I sink = 3mA Units Conditions ...

  • Page 21

    ... Minimum Typical Maximum 2.8 0 0.8 0.8 0 Unit Years Cycles Value Typical 11.98 12.00 83.19 83. Document No.: FT_000053 Clearance No.: FTDI# 38 Units Conditions RI = 1.5kΩ to 3.6 V 3V3OUT (D 15KΩ to GND (D 1.5kΩ to 0.3 V 3V3OUT (D 15kΩ to GND (D-) 2 Ohms See Note 1 Unit Maximum 12 ...

  • Page 22

    ... Copyright © 2010 Future Technology Devices International Limited Document No.: FT_000053 FT232R USB UART IC Datasheet Version 2.07 Minimum Typical Maximum 2.1 2.8 3.2 0.3 0.4 0.6 1.0 1.2 1.5 Clearance No.: FTDI# 38 Units Conditions I source = V 3mA V I sink = 8mA V 22 ...

  • Page 23

    ... USB Power Configurations The following sections illustrate possible USB power configurations for the FT232R. The illustrations have omitted pin numbers for ease of understanding since the pins differ between the FT232RL and FT232RQ package options. All USB power configurations illustrated apply to both package options for the FT232R device. Please refer to Section 3 for the package option pin-out and signal descriptions ...

  • Page 24

    ... When using external oscillator the VCC supply voltage range must be +3.3V to 5.25V Any design which interfaces to +3 +1.8V would be having a +3.3V or +1.8V supply to VCCIO. Copyright © 2010 Future Technology Devices International Limited Document No.: FT_000053 FT232R USB UART IC Datasheet Version 2.07 Clearance No.: FTDI ...

  • Page 25

    ... Soft Start Circuit 1K 5V VCC VCC USBDM USBDP VCCIO FT232R NC RESET# NC OSCI OSCO 3V3OUT 100nF GND GND Document No.: FT_000053 Clearance No.: FTDI External Logic TXD RXD RTS# CTS# DTR# DSR# DCD# 5V VCC RI# CBUS0 10K CBUS1 CBUS2 PWREN# CBUS3 CBUS4 25 ...

  • Page 26

    ... FT232R USB UART IC Datasheet Version 2.07 VCCIO Vcc VCC USBDM USBDP 1 VCCIO RESET# Jumper NC OSCI OSCO Vcc + 3V3OUT A 100nF GND GND Document No.: FT_000053 Clearance No.: FTDI Supply to External Logic 100nF TXD RXD RTS# CTS# FT232R DTR# DSR# DCD# RI# VCCIO CBUS0 CBUS1 CBUS2 PWREN ...

  • Page 27

    ... Application Examples The following sections illustrate possible applications of the FT232R. The illustrations have omitted pin numbers for ease of understanding since the pins differ between the FT232RL and FT232RQ package options. 7.1 USB to RS232 Converter VCC Ferrite Bead 10nF + 5 SHIELD GND VCC 100nF 4 ...

  • Page 28

    ... RTS# USBDP CTS# 1 VCCIO DTR# FT232R NC DSR# RESET# DCD# NC RI# OSCI CBUS0 OSCO CBUS1 CBUS2 3V3OUT TXDEN A T CBUS3 PWREN CBUS4 D 100nF GND GND Document No.: FT_000053 Clearance No.: FTDI# 38 Vcc GND DB9M 7 6 SHIELD 10 SP481 120R 5 Link VCCIO GPIO0 GPIO1 10K GPO 28 ...

  • Page 29

    ... CONVERTER CBUS1 4 CBUS2 3V3OUT 5 CBUS3 A T PWREN CBUS4- 3 SLEEP# 100nF GND Vcc SP491 6 7 GND 10K Document No.: FT_000053 Clearance No.: FTDI TXDM 9 TXDP RXDP 11 120R 12 RXDM GND DB9M TXDM TXDP RXDP RXDM RTSM RTSP CTSP CTSM SHIELD 10 RTSM 9 RTSP CTSP 11 120R 12 CTSM 29 ...

  • Page 30

    ... FT232R USB UART IC Datasheet Version 2.07 RXD VCC TXD USBDM RTS# USBDP CTS# VCCIO DTR# FT232R NC DSR# RESET# DCD# NC RI# OSCI 12MHz CBUS0 OUT OSCO CBUS1 10K CBUS2 3V3OUT A T CBUS3 PWREN CBUS4 100nF GND GND Clearance No.: FTDI# 38 Vcc TXD RXD CTS# RTS# CLK_IN Vcc I/O 30 ...

  • Page 31

    ... FT232R will drive only a single LED. Copyright © 2010 Future Technology Devices International Limited FT232R USB UART IC Datasheet Version 2.07 VCCIO TX 270R FT232R TXLED# CBUS[0...4] RXLED# CBUS[0...4] VCCIO LED FT232R TX&RXLED# CBUS[0...4] Document No.: FT_000053 Clearance No.: FTDI 270R 270R 31 ...

  • Page 32

    ... USB VBUS supply = +5.0V. 2. The EEPROM must then be programmed to enable external oscillator. This EEPROM modification cannot be done using the FTDI programming utility, MPROG. The EEPROM can only be re- configured from a custom application. Please refer to the following applications note on how to do this: http://www ...

  • Page 33

    ... TXLED# drive. RXLED# Default configuration of CBUS1 – Receive LED drive. Default configuration of CBUS2 – Transmit data TXDEN enable for RS485 Default configuration of CBUS3 – Power enable. Low PWREN# after USB enumeration, high during USB suspend mode. Document No.: FT_000053 Clearance No.: FTDI# 38 Notes 33 ...

  • Page 34

    ... MPROG can be downloaded from FTDI Utilities on the FTDI website (www.ftdichip.com). Version 2.8a or later is required for the FT232R chip. Users who do not have their own USB Vendor ID but who would like to use a unique Product ID in their design can apply to FTDI for a free block of unique PIDs. Contact FTDI support for this service. ...

  • Page 35

    ... Figure 9.1 SSOP-28 Package Dimensions The FT232RL is supplied in a RoHS compliant 28 pin SSOP package. The package is lead (Pb) free and uses a „green‟ compound. The package is fully compliant with European Union directive 2002/95/EC. This package is nominally 5.30mm x 10.20mm body (7.80mm x 10.20mm including pins). The pins are ...

  • Page 36

    ... The code XXXXXXX is the manufacturing LOT code. This only applies to devices manufactured after April 2009. Copyright © 2010 Future Technology Devices International Limited FT232R USB UART IC Datasheet Version 2. FTDI YYXX-A XXXXXXX FT232RQ 5.000 +/-0.075 0.150 Max 0.500 +/-0.050 3.200 +/-0.100 0.900 +/ -0.100 0.050 Document No.: FT_000053 Clearance No.: FTDI# 38 0.200 Min 36 ...

  • Page 37

    ... Figure 9.4 Typical Solder Paste Diagram for QFN-32 Package Copyright © 2010 Future Technology Devices International Limited FT232R USB UART IC Datasheet Version 2.07 2.50 1 3.200 +/-0.100 9 0.100 0.500 +/-0.050 2.5 +/- 0.0375 Document No.: FT_000053 Clearance No.: FTDI 0.150 Max Optional GND Connection 0.20 2.50 17 2.5 +/- 0.0375 37 ...

  • Page 38

    ... Max. 8 minutes Max. p Document No.: FT_000053 Clearance No.: FTDI# 38 Critical Zone: when the range Ramp Down Non-Pb Free Solder Process 3°C / Second Max. 100°C 150° 120 seconds 183° ...

  • Page 39

    ... E-Mail (General Enquiries): cn.admin1@ftdichip.com Web Site URL: http://www.ftdichip.com Distributor and Sales Representatives Please visit the Sales Network page of the FTDI Web site for the contact details of our distributor(s) and sales representative(s) in your country. Copyright © 2010 Future Technology Devices International Limited Document No ...

  • Page 40

    ... Useful Application Notes http://www.ftdichip.com/Documents/AppNotes/AN232R-01_FT232RBitBangModes.pdf http://www.ftdichip.com/Documents/AppNotes/AN_107_AdvancedDriverOptions_AN_000073.pdf http://www.ftdichip.com/Documents/AppNotes/AN232R-02_FT232RChipID.pdf http://www.ftdichip.com/Documents/AppNotes/AN_121_FTDI_Device_EEPROM_User_Area_Usage.pdf http://www.ftdichip.com/Documents/AppNotes/AN_120_Aliasing_VCP_Baud_Rates.pdf http://www.ftdichip.com/Documents/AppNotes/AN_100_Using_The_FT232_245R_With_External_Osc(FT_ 000067).pdf http://www.ftdichip.com/Resources/Utilities/AN_126_User_Guide_For_FT232_Factory%20test%20utility. pdf http://www.ftdichip.com/Documents/AppNotes/AN232B-05_BaudRates.pdf http://www.ftdichip.com/Documents/InstallGuides.htm Copyright © 2010 Future Technology Devices International Limited Document No.: FT_000053 FT232R USB UART IC Datasheet Version 2.07 Clearance No.: FTDI ...

  • Page 41

    ... Table 5.9 UART and CBUS I/O Pin Characteristics (VCCIO = +2.8V, High Drive Level) ......................... 20 Table 5.10 UART and CBUS I/O Pin Characteristics (VCCIO = +1.8V, High Drive Level) ....................... 20 Copyright © 2010 Future Technology Devices International Limited Document No.: FT_000053 FT232R USB UART IC Datasheet Version 2.07 Clearance No.: FTDI ...

  • Page 42

    ... Table 5.14 Internal Clock Characteristics ....................................................................................... 21 Table 5.15 OSCI, OSCO Pin Characteristics – see Note 1 ................................................................. 22 Table 8.1 Default Internal EEPROM Configuration ............................................................................ 34 Table 9.1 Reflow Profile Parameter Values ..................................................................................... 38 Copyright © 2010 Future Technology Devices International Limited Document No.: FT_000053 FT232R USB UART IC Datasheet Version 2.07 Clearance No.: FTDI ...

  • Page 43

    ... Updated section 5.3, Table 5.13, Version 2.07 Added USB Certification Logos Copyright © 2010 Future Technology Devices International Limited Document No.: FT_000053 FT232R USB UART IC Datasheet Version 2.07 Clearance No.: FTDI# 38 EEPROM data retention time August 2005 October 2005 December 2005 December 2005 ...