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future technology devices international ltd (ftdi) 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 (support): support1@ftdichip.com web: http://www.ftdichip.com neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or re produced in any material or ele ctronic 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 techn ology device s 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 preliminar y information that may be subject to change without notice. no freedom to use patents or other intellectual property rig hts 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 number: sc136640 copyright ? 20 10 future technology de vices international limited future technology devices international ltd. UB232R usb mini - b ft232r evaluation module d atasheet doc ument ref erence no. : ft_000055 version 1.11 issue date: 20 10 - 0 7 - 29
copyright ? 20 10 future technology devices international limited 1 document reference no.: ft_000055 UB232R usb mini - b ft232r evaluation module datasheet version 1.11 clearance no.: ftdi# 43 1 introduction the UB232R is the smallest usb C serial development module in t he ftdi product range. to minimise the size of the module, the UB232R uses a standard usb mini - b connector. it is ideal for new development purposes as well as a platform for adding a usb interface to existing product designs. the UB232R is based on the ftdi ft232rq usb to serial uart ic which handles all the usb signalling and protocols. the ft232r datasheet, ds_ft232r , is available at http://ww w.ftdichip.com , the UB232R supports rts/cts hardware handshaking and is usb powered. the module supports data transfer rates from 300 baud to 3 mbaud (rs422, rs485 , rs232 and at ttl levels) . in addition, two of the configurable cbus pins of the ft232r are made available on the UB232R connector, allowing the UB232R to provide clock signals to external logic or they can be used to drive signal traffic indicator leds. the UB232R is supplied with two 1x4 turned pin board headers with a standard 0.1 pitch. this aids rapid prototyping and development . all co mponents used, including the ft232r are pb - free (rohs compliant). the UB232R requires usb drivers, available free from http://www.ftdichip.com , which are used to ma ke the ft232r on the UB232R appear as a virtual com port (vcp). this then allows the user to communicate with the usb interface via a standard pc serial emulation port (tty). another ftdi usb driver, the d2xx driver, can also be used with application softw are to directly access the ft232r on the UB232R though a dll. this is illustrated in the figure 1 . 1 figure 1 . 1 using the UB232R drivers for the UB232R are available free from http://www.ftdichip.com . v c p t t y u s b v i r t u a l c o m p o r t s o f t w a r e a p p l i c a t i o n a c c e s s t o u s b v i a d 2 x x u s b t t y d 2 x x d l l u s b m i n i - b u b 2 3 2 r r x d t x d s e r i a l u a r t s i g n a l s u s b m i n i - b u b 2 3 2 r r x d t x d s e r i a l u a r t s i g n a l s
copyright ? 20 10 future technology devices international limited 2 document reference no.: ft_000055 UB232R usb mini - b ft232r evaluation module datasheet version 1.11 clearance no.: ftdi# 43 1.1 usb compliant the UB232R is fully compliant with usb 2.0 specification
copyright ? 20 10 future technology devices international limited 3 document reference no.: ft_000055 UB232R usb mini - b ft232r evaluation module datasheet version 1.11 clearance no.: ftdi# 43 table of content s 1 introduction ................................ ................................ .... 1 1.1 usb compliant ................................ ................................ .......... 2 2 typical applications ................................ ........................ 4 2.1 driver support ................................ ................................ .......... 4 2.2 features ................................ ................................ .................... 4 3 electrical details ................................ ............................. 5 4 mechanical details ................................ ........................... 6 5 schematic diagram ................................ ......................... 7 6 contact information ................................ ........................ 8 appendix a C ft232r eeprom configuration ................................ .... 9 appendix b C revision history ................................ ......................... 10
copyright ? 20 10 future technology devices international limited 4 document reference no.: ft_000055 UB232R usb mini - b ft232r evaluation module datasheet version 1.11 clearance no.: ftdi# 43 2 t ypical applications rapid usb integration into existing electronic systems. protot yping platform for usb interface on new systems. usb instrumentation integration. pcb real estate sensitive designs integrating smallest ftdi usb module available. 2.1 driver support royalty - free virtual com port (vcp) drivers for: windows 7 32, 64 - bit wind ows vista windows xp 64 - bit windows xp embedded windows 98, 98se, me, 2000, server 2003, xp and server 2008 windows ce.net 4.2 , 5.0 and 6.0 mac os 8 / 9, os - x linux 2.4 and greater . royalty - free d2xx direct drivers (usb drivers + dll s/w interface): win dows 7 32, 64 - bit windows vista windows xp 64 - bit windows xp embedded. windows 98, 98se, me, 2000, server 2003, xp and server 2008 windows ce.net 4.2, 5.0 and 6.0 linux 2.4 and greater the drivers listed above are all available to download for free f rom www.ftdichip.com . various 3 rd party drivers are also available for various other operating systems C see www.ftdichip.com for details. 2.2 features the UB232R has the following fe ature: reduced development time. rapid integration into existing systems. usb powered C no external power supply needed. based on ft232rq device. entire usb protocol handled by usb module. small usb type b connector to minimise pcb real estate usage. dat a transfer rates from 300 baud to 3 mbaud at ttl levels lower operating (15 ma) and usb suspend mode current (70a). supports ft232r ftdichip - id? with a unique usb serial number. support for usb suspend and resume. uhci / ohci / ehci host controller compati ble. usb 2.0 full speed compatible. - 40c to +85c operating temperature range.
copyright ? 20 10 future technology devices international limited 5 document reference no.: ft_000055 UB232R usb mini - b ft232r evaluation module datasheet version 1.11 clearance no.: ftdi# 43 3 electrical details the electrical details and connections to the UB232R module are shown in figure 3 . 1 , table 3 . 1 and table 3 . 2 . figure 3 . 1 UB232R electrical connections (top view) silkscreen pin connector pin name description 1 j1 - 1 gnd ov power pin 2 j1 - 2 vcc +5v power from usb interface 3 j1 - 3 cts# ft232r cts pin 4 j1 - 4 rts# ft232r rts pin 5 j2 - 4 cbus1 ft232r cbus1 pin 6 j2 - 3 cbus0 ft232r cbus0 pin 7 j2 - 2 rxd ft232r rxd pin 8 j2 - 1 txd ft232r txd pin table 3 . 1 UB232R module connection the signal output level on connectors j1 and j2 are controlled by the voltage supplied to the vccio pin 4 on the ft232r. the vccio is selected between the +5v (vcc from usb) or the output of the ft232r low drop out (ldo) +3.3v regulator. the vccio selection is done by fitting a link on connector j3. the selection is shown in table 3 . 2 . connector j3 function link 1 - 2 connected vccio and reset# driven connected to vcc (+5v) link 2 - 3 connected vccio and reset# driven connected to +3.3v output of ft232r ldo regulator table 3 . 2 UB232R module vccio selection
copyright ? 20 10 future technology devices international limited 6 document reference no.: ft_000055 UB232R usb mini - b ft232r evaluation module datasheet version 1.11 clearance no.: ftdi# 43 4 mechanical details the mechanical details of the UB232R are shown in figure 4 . 1 : figure 4 . 1 UB232R module dimensions a b c d e f g j k l m n o p q r d i m e n s i o n s ( m m ) 7 . 0 + / - 0 . 1 a b c 2 . 0 + / - 0 . 0 0 5 d 2 . 5 4 + / - 0 . 0 0 5 e 7 . 0 + / - 0 . 1 d i m e n s i o n s ( m m ) f g j k 1 . 6 0 + / - 0 . 0 0 5 l 1 7 . 0 + / - 0 . 2 d i m e n s i o n s ( m m ) 8 . 0 + / - 0 . 1 m 5 . 0 + / - 0 . 1 n o p 4 . 0 + / - 0 . 1 q 1 0 . 0 + / - 0 . 1 d i m e n s i o n s ( m m ) 0 . 5 + / - 0 . 0 0 5 r 1 2 . 7 + / - 0 . 1 1 2 . 7 + / - 0 . 1 2 . 0 + / - 0 . 0 0 5 1 7 . 7 8 + / - 0 . 2 1 5 . 2 4 + / - 0 . 2
copyright ? 20 10 future technology devices international limited 7 document reference no.: ft_000055 UB232R usb mini - b ft232r evaluation module datasheet version 1.11 clearance no.: ftdi# 43 5 schematic diagram figure 5 . 1 UB232R module schematic u b 2 3 2 r m o d u l e s c h e m a t i c 8 p i n d i p h e a d e r v c c i o s e l e c t c t s # r x d r t s # t x d v c c 3 o v c c i o v c c g n d v c c i o g n d t x d r x d v c c r t s # c t s # c b u s 1 c b u s 0 c b u s 1 c b u s 0 v c c v c c g n d g n d g n d g n d g n d g n d g n d v c c 1 2 3 4 j 1 c o n 4 1 2 3 4 j 2 c o n 4 1 2 3 j 3 c o n 3 v c c i o 1 r x d 2 r i # 3 g n d 4 n c 5 d s r # 6 d c d # 7 c t s # 8 s l e e p # 9 t x d e n 1 0 p w r e n 1 1 n c 1 2 n c 1 3 u s b d p 1 4 u s b d m 1 5 v c c 3 o 1 6 g n d 1 7 r e s e t # 1 8 v c c 5 i 1 9 g n d 2 0 r x l e d # 2 1 t x l e d # 2 2 n c 2 3 a g n d 2 4 n c 2 5 t e s t 2 6 o s c i 2 7 o s c o 2 8 n c 2 9 t x d 3 0 d t r # 3 1 r t s # 3 2 u 1 f t 2 3 2 r q 1 2 f b 1 f e r r i t e b e a d 1 2 3 5 6 c n 1 m i n i - u s b / b c 1 1 0 n f c 2 4 7 p f c 3 4 7 p f c 4 4 . 7 u f 6 . 3 v c e r a m i c c 5 0 . 1 u f
copyright ? 20 10 future technology devices international limited 8 document reference no.: ft_000055 UB232R usb mini - b ft232r evaluation module datasheet version 1.11 clearance no.: ftdi# 43 6 contac t information head office C glasgow, uk future technology devices international limited unit 1, 2 seaward place, centurion business park glasgow g 41 1hh united kingdom tel: +44 (0) 141 429 2777 fax: +44 (0) 141 429 2758 e - mail (sales) sales 1 @ftdichip.com e - mail (support) support 1 @ftdichip.com e - mail (general enquiries) admin1@ftdichip.com web site url http://www.ftdichip.com web shop url http://www.ftdichip.com branch office C taipei, taiwan future technolog y devices international limited (taiwan) 2f, no. 516, sec. 1, neihu road taipei 114 taiwan , r.o .c. tel: +886 (0) 2 879 1 3570 fax: +886 (0) 2 87 9 1 3576 e - mail (sales) tw.sales1@ftdichip.com e - mail (support) tw.support1@ftdichip.com e - mail (general enquiries) tw.admin1@ftdichip.com web site url http://www.ftdichip.com branch office C hillsboro, oregon, usa future technology devices international limited (usa) 7235 nw evergree n parkway, suite 600 hillsboro, or 97123 - 5803 usa tel: +1 (503) 547 0988 fax: +1 (503) 547 0987 e - mail (sales) us.sales@ftdichip.com e - mail (support) us.support@ftdich ip.com e - mail (general enquiries) us.admin@ftdichip.com web site url http://www.ftdichip.com branch office C shanghai , china future technology devices international limi ted ( china ) room 408 , 317 xianxia road, shanghai, 200051 china tel: +86 21 62351596 fax: +86 21 62351595 e - mail (sales) cn .sales@ftdichip.com e - mail (support) cn.supp ort@ftdichip.com e - mail (general enquiries) cn .admin@ftdichip.com web site url http://www.ftdichip.com distributor and sales representatives please visit the sales netwo rk page of the ftdi web site for the contact details of our distributor(s) and sales representative(s) in your country.
copyright ? 20 10 future technology devices international limited 9 document reference no.: ft_000055 UB232R usb mini - b ft232r evaluation module datasheet version 1.11 clearance no.: ftdi# 43 appendix a C ft232r eeprom configuration this ft232r device within the UB232R module contains an eeprom which contains the usb configur ation descriptors for that device. when the UB232R is plugged into a pc or a usb reset is performed, the pc will read these descriptors. the default values stored into the intern al eeprom are defined in table 6 . 1 p arameter value notes usb vendor id (vid) 0403h ftdi default vid (hex) usb product ud (pid) 6001h ftdi default pid (hex) serial number enabled? yes serial number see note a unique serial number is generated and programmed into the eeprom during device final test. pull down i/o pins in usb suspend disabled enabling this option will make the device pull down on the uart interface lines when the power is shut off (pwren# is high). manufacturer name ftdi product description UB232R max bus power curren t 90ma power source bus powered device type ft232r usb version 0200 returns usb 2.0 device description to the host. note: the device is be a usb 2.0 full speed device (12mb/s) as opposed to a usb 2.0 high speed device (480mb/s). remote wake up enab led taking ri# low will wake up the usb host controller from suspend. high current i/os en abled enables the high drive level on the uart and cbus i/o pins. load vcp driver dis abled makes the device load the vcp driver interface for the device. invert tx d disabled signal on this pin becomes txd# if enable. invert rxd disabled signal on this pin becomes rxd# if enable. invert rts# disabled signal on this pin becomes rts if enable. invert cts# disabled signal on this pin becomes cts if enable. table 6 . 1 default internal eeprom configuration the internal eeprom in the ft232r can be re - programmed over usb using the utility program ft_ prog. ft_ prog can be downloaded from the www.ftdichip.com . 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. conta ct ftdi support for this service.
copyright ? 20 10 future technology devices international limited 10 document reference no.: ft_000055 UB232R usb mini - b ft232r evaluation module datasheet version 1.11 clearance no.: ftdi# 43 appendix b C revision history version 1.00 full datasheet released july 2008 version 1.01 table 3.1 (cts# and rts#) corrected the pin out contact information update added windows 7 3 2, 64 bit driver support . added ft_prog reference. november 2009 version 1.0 2 edited mechanical dimensions figure 4.1 january 2010 released february 2010 version 1. 1 updated contact information april 2010 vers ion 1.11 added rohs compliant statement july 2010 in section 1 added section 1.1 usb compliant logo

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