uncontrolled copy when printed or downloaded. please refer to the 4d systems website for the latest revision of this document microusb programming adaptor usb - pa 5 usb to uart serial bridge document date: 27 th november 2013 document revision: 1. 1 d atasheet 4d systems turning technology into art
microusb - usb - pa 5 contents 1. description ................................ ................................ ................................ ............................. 3 2. module compatibility ................................ ................................ ................................ ............. 3 3. features ................................ ................................ ................................ ................................ . 3 4. pin configuration and summary ................................ ................................ .............................. 4 5. typical applications ................................ ................................ ................................ ................ 5 6. mechanical dimensions ................................ ................................ ................................ .......... 6 7. ordering information ................................ ................................ ................................ .............. 7 8. legal notice ................................ ................................ ................................ ............................ 7 9. contact information ................................ ................................ ................................ ............... 7
4d systems usb - pa 5 ? 201 4 4d systems page 3 of 7 www.4dsystems.com.au microusb - usb - pa 5 1. d escription the microusb programming adaptor (usb - pa5) is a usb to ttl uart bridge converter which is simple, cost effective, very small and easy to use. it uses a mini - b type usb connector to connect to your pc and is based on the ftdi ft232rq usb to serial bridge ic from ftdi chip . it provides the user with multi baud rate serial data up to 3m baud rate, and access to additional signals such as flow control in a convenient 10 pin 2.54mm ( 0.1 ) pitch dual - in - line package. the main 5 pin interface is a standard 2.54mm (0.1) pitch female header, designed to connect directly to a majority of the 4d systems modules. the usb - pa 5 is ideal for prototype or production. rx and tx signals are both 3.3v and 5v tolerant. 2. module compatibility the usb - pa5 was designed in 2012 to be the programming adaptor of choice going forward for new products. while a large range of 4d systems modules are compatible with this programming adaptor, some are not, for mechanical reasons. the following is a small list is of known modules that are not compatible with the usb - pa5. ? ulcd - 28pt ? ulcd - 32pt please use the 4d programming cable instead. 3. features ? usb 2.0 compliant full speed 12mbps maximum speed, suspend supported. ? hardware or xon/xoff handshaking supported, 300bps to 3 mbps . ? uart supports 7 or 8 data bits , 1 - 2 stop bits, odd/even /mark/space and no parity ? power on reset circuit ? virtual com port drivers allow operation with existing com port pc applications ? supports windows 98 and above , mac (osx - 8 and above) a nd linux (2.4 kernel and above) ? usb powered ? - 40 to +85 degrees celsius temp range ? small size, 33.7 mm x 1 7.3 mm ? traffic/operation led indicates board status ? additional flow control and features available for the user to solder, using standard 2.54mm (0.1) pitch through holes along each side of the pcb. ? rohs compliant
4d systems usb - pa 5 ? 201 4 4d systems page 4 of 7 www.4dsystems.com.au microusb - usb - pa 5 4. pin configuration and summary microusb ( usb - pa 5 ) additional pin outs symbol description rts ready to send output (active low) dtr data terminal ready output (active low) reset this pin provides a low level reset pulse of several hundred micro seconds when the dtr signal is toggled. tx serial data transmit output. this connects to the host rx (serial receive) input. rx serial data receive input. this connects to the host tx (serial transmit) output. cts clear to send input (active low) susp usb suspend state (active low) txden transmit data enable, for enabling external circuits such as rs485 (active high) gnd ground +5v +5v power from usb (up to 5 00ma). power supply to external circuits
4d systems usb - pa 5 ? 201 4 4d systems page 5 of 7 www.4dsystems.com.au microusb - usb - pa 5 5. typical applications the microusb ( usb - pa 5 ) is designed to accommodate many applications. its small size and convenient form factor are perfect for adding micro usb functionality to embedded applications. the microusb makes an easy u sb - serial interface, so you can easily create usb to rs - 232 converters , us b to rs - 422/rs - 485 converters, upgrade legacy rs - 232 devices, make pda and cellphone usb interface cables, barcode readers, pos terminals, etc. in any application, make sure the tx and rx lines from the usb are crossed over to the attached peripheral . that is, the tx from the usb connects to the rx of the target and the r x from the usb connects to the tx of the target device. note: the tx and rx signal levels are between 0 volts and 3.3 volts, however are 5.0v tolerant. the microusb is designed to have a compact footprint, and be compatible with prototyping such as pluggin g it directly into a breadboard whe n male 2.54mm (0.1) headers are soldered to the row of 5 pins, along each side. for a ssistance with latest driver downloads, go to www.ftdichip.com/drivers/vcp.htm or visit the usb - pa 5 product page of the 4d systems website, www.4dsystems.com.au
4d systems usb - pa 5 ? 201 4 4d systems page 6 of 7 www.4dsystems.com.au microusb - usb - pa 5 6. mechanical dimensions
4d systems usb - pa 5 ? 201 4 4d systems page 7 of 7 www.4dsystems.com.au microusb - usb - pa 5 7. ordering information ordering information order code: usb package: 9 0m m x 13 0m m packaging: bubble wrapped in anti static bag 8. legal notice proprietary information the information contained in this document is the property of 4d systems pty. ltd. and may be the subject of patents pending or granted, and must not be copied or disclosed without prior written permission. 4d systems endeavours to ensure that the informa tion in this document is correct and fairly stated but does not accept liability for any error or omission. the development of 4d systems products and services is continuous and published information may not be up to date. it is important to check the curr ent position with 4d systems. 4d systems reserves the right to modify, update or makes changes to specifications or written material without prior notice at any time. all trademarks belong to their respective owners and are recognised and acknowledged. di sclaimer of warranties & limitation of liability 4d systems makes no warranty, either expressed or implied with respect to any product, and specifically disclaims all other warranties, including, without limitation, warranties for merchantability, non - infr ingement and fitness for any particular purpose. information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. it is your responsibility to ensure that your appl ication meets with your specifications. in no event shall 4d systems be liable to the buyer or to any third party for any indirect, incidental, special, consequential, punitive or exemplary damages (including without limitation lost profits, lost savings, or loss of business opportunity) arising out of or relating to any product or service provided or to be provided by 4d systems, or the use or inability to use the same, even if 4d systems has been advised of the possibility of such damages. 4d systems prod ucts are not fault tolerant nor designed, manufactured or intended for use or resale as on line control equipment in hazardous environments requiring fail C safe performance, such as in the operation of nuclear facilities, aircraft navigation or communicat ion systems, air traffic control, direct life support machines or weapons systems in which the failure of the product could lead directly to death, personal injury or severe physical or environmental damage (high risk activities). 4d systems and its suppliers specifically disclaim any expressed or implied warranty of fitness for high risk activities. use of 4d systems products and devices in 'high risk activities' and in any other application is entirely at the buyers risk, and the buyer agrees to d efend, indemnify and hold harmless 4d systems from any and all damages, claims, suits, or expenses resulting from such use. no licenses are conveyed, implicitly or otherwise, under any 4d systems intellectual property rights. 9. contact information for technical support: support@4dsystems.com.au for sales support: sales@4dsystems.com.au website: www.4dsystems.com. au copyright 4d systems pty. ltd. 2000 - 201 4 .
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