FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 Future Technology Devices International Ltd. FT230X (USB to BASIC UART IC) The FT230X is a USB to serial UART interface with optimised pin count for smaller PCB designs and the following advanced features: USB Battery Charger Detection. Allows for USB peripheral devices to detect the presence of a higher power source to enable improved charging.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 1.3 USB Compliant The FT230X is fully compliant with the USB 2.0 specification and has been given the USB-IF Test-ID (TID) 40001463 (Rev D).
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 2 FT230X Block Diagram VCC 1V8 Internal Core Supply 3V3OUT USBDP USBDM 3.3 Volt LDO Regulator USB Transceiver with Integrated 1.5k pullups and battery charge detection 48MHz 1.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 Table of Contents 1 Typical Applications ...................................................................... 2 1.1 Driver Support .................................................................................... 2 1.2 Part Numbers...................................................................................... 2 1.3 USB Compliant ........................................................................
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 9 Package Parameters ................................................................... 35 9.1 SSOP-16 Package Mechanical Dimensions ........................................ 35 9.2 SSOP-16 Package Markings .............................................................. 36 9.3 QFN-16 Package Mechanical Dimensions .......................................... 37 9.4 QFN-16 Package Markings .........................
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 3 Device Pin Out and Signal Description 7 6 VCCIO 3V3OUT VCC 8 1 10 3.1 16-LD QFN Package 9 12 11 5 14 CBUS0 CBUS1 CBUS2 CBUS3 3 13 17 RESET# GND GND GND USBDM USBDP 15 2 16 4 TXD RXD RTS# CTS# Figure 3.1 QFN Schematic Symbol 3.1.1 QFN Package PinOut Description Note: # denotes an active low signal. Pin No.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 Pin No. Name Type Description 15 TXD Output Transmit Asynchronous Data Output. 2 RXD Input Receiving Asynchronous Data Input. 16 RTS# Output 4 CTS# Input 12 CBUS0 I/O Configurable CBUS I/O Pin. Function of this pin is configured in the device MTP memory. The default configuration is TXDEN. See CBUS Signal Options, Table 3.7. 11 CBUS1 I/O Configurable CBUS I/O Pin.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 VCCIO GND 13 RESET# 5 11 USBDM USBDP GND 9 8 3V3OUT VCC U? 10 3 12 3.2 16-LD SSOP Package 1 4 2 6 TXD RXD RTS# CTS# 15 14 7 16 CBUS0 CBUS1 CBUS2 CBUS3 FT230XS Figure 3.2 SSOP Schematic Symbol 3.2.1 SSOP Package PinOut Description Note: # denotes an active low signal. Pin No.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 Pin No. Name Type Description 1 TXD Output Transmit Asynchronous Data Output. 4 RXD Input Receiving Asynchronous Data Input. 2 RTS# Output 6 CTS# Input 15 CBUS0 I/O Configurable CBUS I/O Pin. Function of this pin is configured in the device MTP memory. The default configuration is TXDEN. See CBUS Signal Options, Table 3.7. 14 CBUS1 I/O Configurable CBUS I/O Pin.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 3.3 CBUS Signal Options The following options can be configured on the CBUS I/O pins. CBUS signal options are common to both package versions of the FT230X. These options can be configured in the internal MTP memory using the software utility FT_PROG or MPROG, which can be downloaded from the FTDI Utilities (www.ftdichip.com). The default configuration is described in Section 8.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 CBUS Signal Option Available On CBUS Pin VBUS_Sense CBUS0, CBUS1, CBUS2, CBUS3 Input to detect when VBUS is present. Time Stamp CBUS0, CBUS1, CBUS2, CBUS3 Toggle signal which changes state each time a USB SOF is received Keep_Awake# CBUS0, CBUS1, CBUS2, CBUS3 Prevents the device from entering suspend state when unplugged. Description Table 3.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 4 Function Description The FT230X is a compact USB to a basic serial UART interface device which simplifies USB implementations in a small optimised package, with minimum UART signals and reduces external component count by fully integrating an MTP memory, and an integrated clock circuit which requires no external crystal.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 USB Transceiver. The USB Transceiver Cell provides the USB 1.1 / USB 2.0 full-speed physical interface to the USB cable. The output drivers provide +3.3V level slew rate control signalling, whilst a differential input receiver and two single ended input receivers provide USB data in, Single-Ended-0 (SE0) and USB reset detection conditions respectfully. This function also incorporates a 1.5kΩ pull up resistor on USBDP.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 RESET Generator - The integrated Reset Generator Cell provides a reliable power-on reset to the device internal circuitry at power up. The RESET# input pin allows an external device to reset the FT230X. RESET# can be tied to VCC or left unconnected if not being used.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 5 Devices Characteristics and Ratings 5.1 Absolute Maximum Ratings The absolute maximum ratings for the FT230X devices are as follows. These are in accordance with the Absolute Maximum Rating System (IEC 60134). Exceeding these may cause permanent damage to the device.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 5.3 DC Characteristics DC Characteristics (Ambient Temperature = -40°C to +85°C) Parameter Description Minimum Typical Maximum Units Conditions VCC VCC Operating Supply Voltage 2.97 5 5.5 V Normal Operation VCC2 VCCIO Operating Supply Voltage 1.62 --- 3.63 V Icc1 Operating Supply Current 6.5 8 8.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 Parameter Description Minimum Typical Maximum Units Conditions Ioh = +/-2mA Voh Output Voltage High 2.97 VCCIO VCCIO V 2.97 VCCIO VCCIO V I/O Drive strength* = 8mA 2.97 VCCIO VCCIO V I/O Drive strength* = 12mA 2.97 VCCIO VCCIO V I/O Drive strength* = 16mA 0 0.4 V 0 0.4 V I/O Drive strength* = 8mA 0 0.4 V I/O Drive strength* = 12mA 0 0.4 V I/O Drive strength* = 16mA 0.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 Parameter Description Minimum Typical Maximum Units Conditions 2.25 VCCIO VCCIO V 2.25 VCCIO VCCIO V I/O Drive strength* = 8mA 2.25 VCCIO VCCIO V I/O Drive strength* = 12mA 2.25 VCCIO VCCIO V I/O Drive strength* = 16mA 0 0.4 V 0 0.4 V I/O Drive strength* = 8mA 0 0.4 V I/O Drive strength* = 12mA 0 0.4 V I/O Drive strength* = 16mA 0.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 Parameter Description Minimum Typical Maximum Units Conditions 1.62 VCCIO VCCIO V 1.62 VCCIO VCCIO V I/O Drive strength* = 8mA 1.62 VCCIO VCCIO V I/O Drive strength* = 12mA 1.62 VCCIO VCCIO V I/O Drive strength* = 16mA 0 0.4 V 0 0.4 V I/O Drive strength* = 8mA 0 0.4 V I/O Drive strength* = 12mA 0 0.4 V I/O Drive strength* = 16mA 0.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 Parameter Description Minimum Voh Output Voltage High VCC-0.2 Vol Output Voltage Low Vil Input low Switching Threshold Vih Input High Switching Threshold Typical Maximum Units Conditions V - 0.2 V 0.8 V - 2.0 V Table 5.7 USB I/O Pin (USBDP, USBDM) Characteristics 5.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 6 USB Power Configurations The following sections illustrate possible USB power configurations for the FT230X. The illustrations have omitted pin numbers for ease of understanding since the pins differ between the FT230XS and FT230XQ package options. All USB power configurations illustrated apply to both package options for the FT230X device.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 6.2 Self Powered Configuration VCC(3.3-5.25V) 1 VCC 27R 2 USBDM 3 27R USBDP 4 47pF 47pF 4k7 FT230X 5 VBUS_SENSE SHIELD VCCIO RESET# 10k GND AG ND 3V3OUT GND GN D GND VCC 100nF 100nF 100nF + 4.7uF GND GND Figure 6.2 Self Powered Configuration Figure 6.2 illustrates the FT230X in a typical USB self powered configuration.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 6.3 USB Bus Powered with Power Switching Configuration P Channel Power MOSFET Switched 5V Power to External Logic 0.1uF 100k 0.1uF 1k PWREN# Ferrite Bead 1 VCC 27R 2 USBDM 3 27R USBDP 4 47pF 47pF FT230X 5 SHIELD RESET# 10nF VCCIO GND VCC CBUS3 GN D AG ND 3V3OUT GND 100nF + 4.7uF 100nF GND GND Figure 6.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 7 Application Examples The following sections illustrate possible applications of the FT230X. The illustrations have omitted pin numbers for ease of understanding since the pins differ between the FT230XS and FT230XQ package options. 7.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 7.2 USB to RS485 Coverter Vcc VCCIO 10k 10k VCC RS 485 LEVEL CONVERTER Ferrite Bead 1 10k VCC USBDM 3 TXD 4 27R USBDP 6 4 2 47pF 47pF FT230X RXD 5 SHIELD DB9M 7 27R 2 GND 3 RESET# 10nF 1 SHIELD 10 ZT3485 VCCIO 5 120R TXDEN GND GND VCC PWREN# GN D AG ND 3V3OUT Link VCCIO 100nF 10K + 4.7uF 100nF GND GND Figure 7.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 7.3 USB to RS422 Converter Vcc VCC Ferrite Bead 1 RXD VCC 2 27R 3 27R 4 RTS# USBDM 10 5 9 CTS# USBDP 3 4 47pF RS 422 LEVEL CONVERTER TXD 47pF 11 2 FT230X 12 5 SHIELD RESET# 10nF ZT3491 SLEEP# VCCIO AG ND 3V3OUT GND VCC 6 Vcc RS 422 LEVEL CONVERTER 100nF + 7 PWREN# GN D GND 4 10 4.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 7.4 USB Battery Charging Detection An addition to the USB specification (http://www.usb.org) is to allow for additional charging profiles to be used for charging batteries in portable devices. These charging profiles do not enumerate the USB port of the peripheral. The FT230X device will detect that a USB compliant dedicated charging port (DCP) is connected.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 VBUS 3V3OUT VBUS 3V3OUT VBUS U1 3V3OUT VCCIO 1 2 3 4 5 VBUS DD+ ID GND 0.1uF VCORE VCC 600R/2A CN USB GND DM DP 27R 27R 3V3OUT 0.1uF GND RESET# 10nF N.F. 0.1uF 0R SLD GND SLEEP# PWREN# CBUS 2 CBUS 1 GND FT230X GND GND VBUS VBUS VBUS VBATT 4.7uF 0.1uF GND CHRG VCC FAULT TIMER GND GND 1 2 3 4 5 GND 10 9 8 7 6 1 + NCT TB3.5mm SLEEP# NTC LTC4053EDD 11 0.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 VBUS 3V3OUT VBUS VCCIO 3V3OUT VCC 1 2 3 4 5 VBUS 3V3OUT 0.1uF 0.1uF 600R/2A CN USB VBUS DD+ ID GND 3V3OUT GND DM DP 27R 27R GND RESET# 10nF GND 0.1uF GND N.F. 0R CBUS0 CBUS1 CBUS2 18 17 10 BCD# PWREN# SLEEP# FT230X SLD GND GND GND VBUS VBUS GND VBUS VBATT 4.7uF 0.1uF GND 1 2 3 4 5 GND CHRG VCC FAULT TIMER GND ACPR BAT SHDN PROG NTC GND 0.1uF 10 9 8 7 6 1 + NCT TB3.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 7.5 LED Interface Any of the CBUS I/O pins can be configured to drive an LED. The FT230X has 3 configuration options for driving LEDs from the CBUS. These are TXLED#, RXLED#, and TX&RXLED#. Refer to Section 3.3 for configuration options. VCCIO TX RX 270R 270R FT230X CBUS[0...3] CBUS[0...3] TXLED# RXLED# Figure 7.7 Dual LED Configuration An example of using the FT230X to drive LEDs is shown in Figure 7.7.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 8 Internal MTP Memory Configuration The FT230X includes an internal MTP memory which holds the USB configuration descriptors, other configuration data for the chip and also user data areas. Following a power-on reset or a USB reset the FT230X will scan its internal MTP memory and read the USB configuration descriptors stored there.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 Parameter Value Notes Enable CBUS Drive Current Strength 4mA Options are 4mA, 8mA, 12mA, 16mA CBUS slew rate Slow Options are slow or fast CBUS Schmitt Trigger Enable Normal Load VCP Driver Enabled** CBUS0 TXDEN CBUS1 RXLED# Default configuration of CBUS1 – Receive LED drive. CBUS2 TXLED# Default configuration of CBUS2 – Transmit LED drive.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 8.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 9 Package Parameters The FT230X is available in two different packages. The FT230XS is the SSOP-16 option and the FT230XQ is the QFN-16 package option. The solder reflow profile for both packages is described in Section 9.4. 9.1 SSOP-16 Package Mechanical Dimensions Figure 9.1 SSOP-16 Package Dimensions The FT230XS is supplied in a RoHS compliant 16 pin SSOP package.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 9.2 SSOP-16 Package Markings -B FT230XS Figure 9.2 SSOP-16 Package Markings The date code format is YYXX where XX = 2 digit week number, YY = 2 digit year number. This is followed by the revision number. The code XXXXXXXXXXXX is the manufacturing LOT code.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 9.3 QFN-16 Package Mechanical Dimensions Figure 9.3 QFN-16 Package Dimensions The FT230XQ is supplied in a RoHS compliant leadless QFN-16 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 4.00mm x 4.00mm. The solder pads are on a 0.65mm pitch. The above mechanical drawing shows the QFN-16 package.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 9.4 QFN-16 Package Markings 1 FTDI I XXXXXXXXXX 12 FT230XQ YYWW-B 5 8 Figure 9.4 QFN-16 Package Markings The date code format is YYXX where XX = 2 digit week number, YY = 2 digit year number. This is followed by the revision number. The code XXXXXXX is the manufacturing LOT code.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 9.5 Solder Reflow Profile The FT230X is supplied in Pb free 16 LD SSOP and QFN-16 packages. The recommended solder reflow profile for both package options is shown in Figure 9.5. Temperature, T (Degrees C) tp Tp Critical Zone: when T is in the range TL to Tp Ramp Up TL tL TS Max Ramp Down TS Min tS Preheat 25 T = 25º C to TP Time, t (seconds) Figure 9.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 10 Contact Information Head Office – Glasgow, UK Future Technology Devices International Limited Unit 1, 2 Seaward Place, Centurion Business Park Glasgow G41 1HH United Kingdom Tel: +44 (0) 141 429 2777 Fax: +44 (0) 141 429 2758 E-mail (Sales) E-mail (Support) E-mail (General Enquiries) sales1@ftdichip.com support1@ftdichip.com admin1@ftdichip.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 Appendix A – References http://www.ftdichip.com/Support/Documents/AppNotes.htm http://www.ftdichip.com/Support/Documents/TechnicalNotes.htm http://www.ftdichip.com/Support/Utilities.htm http://www.usb.org/ http://www.ftdichip.com/Support/Documents/AppNotes/AN_232R01_Bit_Bang_Mode_Available_For_FT232R_and_Ft245R.pdf http://www.ftdichip.com/Documents/AppNotes/AN_107_AdvancedDriverOptions_AN_000073.pdf http://www.
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 Appendix B - List of Figures and Tables List of Figures Figure 2.1 FT230X Block Diagram ................................................................................................... 4 Figure 3.1 QFN Schematic Symbol .................................................................................................. 7 Figure 3.2 SSOP Schematic Symbol .................................................................
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 Table 9.1 Reflow Profile Parameter Values .....................................................................................
FT230X USB TO BASIC UART IC Version 1.4 Document No.: FT_000566 Clearance No.: FTDI# 260 Appendix C - Revision History Document Title: USB to BASIC UART IC FT230X Document Reference No.: FT_000566 Clearance No.: FTDI# 260 Product Page: http://www.ftdichip.com/FT-X.htm Document Feedback: Send Feedback Version Draft Initial draft available 2nd December 2011 Version 1.0 Initial release 7th February 2012 Version 1.1 Added USB compliance in section 1.