Robosapiens Usb To Ttl Bridge Is The Is The Easiest Method To Connect Ttl To Rs232 Signal To Pc Via Usb Ideal For Microcontroller Board Designed By Robosapiens India. The Control Circuit For The Module Is Based On Pl2303 Circuit Which Makes It A Full Duplex Usb To Ttl Converter.
The Pl-2303 Operates As A Bridge Between One Usb Port And One Standard Rs232 Serial Port. The Two Large On-Chip Buffers Accommodate Data Flow From Two Different Buses. The Usb Bulk-Type Data Is Adopted For Maximum Data Transfer. Automatic Handshake Is Supported At The Serial Port. With These, A Much Higher Baud Rate Can Be Achieved Compared To The Legacy Uart Controller. This Device Is Also Compliant With Usb Power Management And Remote Wakeup Scheme. Only Minimum Power Is Consumed From The Host During Suspend. By Integrating All The Function In A Ssop-28 Package, This Chip Is Suitable For Cable Embedding. Users Just Simply Hook The Cable Into Pc Or Hub?S Usb Port, And Then They Can Connect To Any Rs-232 Devices. Pl-2303 Allows Storing The Configuration Data In An External Eeprom. After Reset, The First Two Bytes Of Eeprom Are Checked. If The Value Is 067bh, The Eeprom Is Valid And The Contents Of The Eeprom Are Loaded As The Chip?S Default Parameters. Otherwise, The Chip?S Default Setting Is Used. The Content Of Eeprom Is Shown In Table Below.
Features :
Fully Compliant With Usb Specification V1.1 And Usb Cdc V1.1
Supports Rs232 Serial Interface
Supports Automatic Handshake Mode
Supports Remote Wake-Up And Power Management
256-Bytes Buffer Each For Upstream And Downstream Data Flow
Supports Default Rom Or External Eeprom For Device Configuration
On-Chip Usb Transceiver
On-Chip Crystal Oscillator Running At 12mhz
Supports Windows 98/Se, Me, 2000, Xp, Windows Ce3.0, Ce .Net, Linux, And Mac Os
Designed For Windows Xp/2000 Certified Logo Drivers
Usb-If Logo Compliant With Tid 10240590
28-Pin Ssop Package