USBMOD1

Gigatechnology.com Pty Ltd USBMOD1 USB Plug and Play Serial Development Module The USBMOD1 is a low-cost integrated module for transferring serial data over USB. Based on the FTDI FT8U232 USB UART IC, the USBMOD1 is capable of transfer rates of up to 920k baud (RS232) and 2000k baud (RS422 / RS485). The USBMOD1 is ideal for rapid prototyping and development by offering a complete plug and play solution. MODULE FEATURES • • • • • • • • • Single module High-Speed USB UART solution Based on FTDI FT8U232 High-Speed USB UART IC 32-pin Dual In-Line Package (Ideal for prototyping) Fits into a standard 32-pin 600mil IC Socket Integrated Type-B USB Connector On-board 6MHz Crystal Provision for external EEPROM for USB enumeration data No external passive components required Module powered from USB bus (up to 60mA from USB for user application) Gigatechnology.com Pty Ltd USBMOD1 FT8U232 IC FEATURES • • • • • • • • • • • • • Single Chip Multi-Function Data Transfer Solution RS232 link from 300 baud to 920K baud RS422/RS485 Link to 2000K baud 384 byte receive buffer / 128 byte transmit buffer for high data throughput Full hardware assisted or X-On/X-Off handshaking Support for Event Characters and Line Break condition Auto Transmit Buffer control for RS485 Compact 32 pin (7mm x 7mm) MQFP package Integrated 6Mhz – 48Mhz Clock Multiplier aids FCC and CE compliance Integrated 3.3v Regulator – No External Regulator Required UHCI / OHCI Compliant USB 1.1 Specification Compliant USB VID, PID, Serial Number and Product Description Strings in external E2PROM. For further information regarding the FTDI FT8U232 USB UART IC please refer to the FT8U232 Datasheet. Gigatechnology.com Pty Ltd USBMOD1 MODULE DIAGRAM Gigatechnology.com Pty Ltd USBMOD1 PINOUT PIN # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 SIGNAL N/C N/C NO PIN NO PIN GND V+ TXLD /RI /DCD /DSR /DTR /CTS /RTS RXD TXD GND GND GND EECS EECLK EEDAT V+ TXDEN USBEN PCTL SLEEP RXLD GND NO PIN NO PIN N/C N/C TYPE MOUNT MOUNT NO PIN NO PIN PWR PWR O.C DESCRIPTION USBMOD1 Mounting Pin for module USB connector support Mounting Pin for module USB connector support IN IN IN OUT IN OUT IN OUT PWR PWR PWR I/O I/O I/O PWR OUT OUT IN OUT O.C PWR NO PIN NO PIN MOUNT Mounting Pin for module USB connector support MOUNT Mounting Pin for module USB connector support Device – Ground Supply Pin Device - +4.4 volt to +5.25 volt Power Supply Pin LED Drive – Pulses Low when Transmitting Data via USB UART – Ring Indicator Control Input UART – Data Carrier Detect Control Input UART – Data Send Ready Control Input UART – Data Terminal Ready Control Output UART – Clear To Send Control Input UART – Request To Send Control Output UART – Receive Data Input UART – Transmit Data Output Device – Ground Supply Pin Device – Ground Supply Pin Device – Ground Supply Pin Optional EEPROM – Chip Select Optional EEPROM – Clock Optional EEPROM – Data I/O Device - +4.4 volt to +5.25 volt Power Supply Pin UART – Enable Transmit Data for RS485 USB Enabled – High after device is configured via USB Bus Powered – Tie Low / Self Powered – Tie High Goes Low during USB Suspend Mode LED Drive – Pulses Low when Receiving Data via USB Device – Ground Supply Pin 1 2 3 4 D D VC C VC C 22 6 US BM OD1 FT8 U23 2AM +V +V C 21 20 19 26 25 /SLE EP To ( Optiona l) Powe r C ontrol Circuit TXD RXD /RT S /CT S /CTS /RTS T XD R XD SAMPLE APPLICATION 15 14 13 12 11 10 9 8 1 2 3 4 5 6 7 8 9 R A1 R A0 OS C1 OS C2 VDD R B7 R B6 R B5 R B4 18 17 16 15 14 13 12 11 10 TXD RXD /RTS /C TS /DTR /DSR /DCD /R I N/C N/C N/C N/C 1 2 31 32 C X1 4M hz Gigatechnology.com Pty Ltd 23 24 EEDAT EEC LK EEC S TXDE N US BE N U1 PIC 16 C 84 R A2 R A3 RTC /A4 MC LR VSS INT/B 0 RB1 RB2 RB3 27 7 RXLD TXLD SL EEP PC TL DNG DNG 8 1 DNG 5 DNG 6 1 DNG 7 1 82 VC C B 8 7 6 5 B 1 2 3 4 R2 2k 2 U3 93 C4 6 CS VC C SK NC DIN NC DOUT GND A Title SUSBMOD1m- r SAMPLE ize Nu b e A4 Date: File: 2 3 A APPLICATIONev ision R USBMOD1 1 1 1-J an-2 00 2 Sh eet of .0 1 C :\LAPTOP\P ROTE L\MOD1APP. S01 rawn B y : D 1 1 4