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• "protocol" : – – . :- USB , SErail, Parallel , SPI , I2C , HTTP, PS/2,…etc)) , USB, SErail, . • SErail . : " "Hot Swapable : "PS/2" USB . SErail USB USB "Interface" USB Port . " wireless communication modules" Bluetooth,xbee,wifi,..etc cnc " SErail, USB xbee module" . • SErail protocol :- "A" "SErail port" :- 1- 1 "start bit" 2- 8 " 1100101" acii "A" 3- 1 parity bit 4- "stop bit " SErail "configurations" :- Uart,RS232 :- Uart TTL. "configuration " UART TTL. :- * uart "universal asynchro**us receiver transmitter" "bits" "clock " * usart "universal synchro**us asynchro**us receiver transmitter" "bits" "clock " pic pic 16f877a SYNC bit TXSTA register >>> Synchro**us mode RC7 "DATA" RC6 PIC "ClK" >>> Asynchro**us mode RC7 "RX" RC6 "TX" Synchro**us mode half duplex" " Asynchro**us mode full duplex " " Asynchro**us mode . ************************************************** ***** "SErail port " 1- Pic uart pic 16f877a 2- max232 uart rs232 . 3- 4 1uf " 10uf max232 1uf" 4- Rs232 connector 5- Rs232 female socket max 232 - - usb to SErailconverter :- : FT232BL "USB to UART (USB to SErail 35 . pic max232 TTl : rs232 connector USB2 to SErail RS232 Converter Cable - 40 - driver . usb max232 female socket max232 module pic 35 rs232 connector USB2 to SErail RS232 Converter Cable usb [IMG]http://www.dbaasco.com/vb/images/smilies/**d.gif[/IMG] |
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