Qhov txawv ntawm FTDI thiab UART yog dab tsi?

FTDI (Future Technology Devices International) thiab UART (Universal Asynchronous Receiver/Transmitter) yog ob lub thev naus laus zis sib txawv siv hauv kev sib txuas lus serial. Txawm hais tias muaj qhov sib xws ntawm lawv, kuj muaj qhov sib txawv. Cia peb tshawb nrhiav lawv kom ntxaws:

Muaj nuj nqi

FTDI: FTDI yog ib lub tuam txhab uas tsim USB-rau-serial converter chips. Cov chips no ua rau cov khoom siv nrog USB interfaces sib txuas lus nrog cov khoom siv uas siv cov txheej txheem sib txuas lus.

UART: UART yog cov khoom siv kho vajtse ua lub luag haujlwm rau kev sib txuas lus ntawm ob lub cuab yeej. Nws tuav cov kis tau tus mob thiab txais cov ntaub ntawv nyob rau hauv ib tug serial hom.

Hom kev sib txuas lus

FTDI: FTDI tshwj xeeb yog tsim los rau USB-rau-serial hloov dua siab tshiab. Nws converts USB cov ntaub ntawv rau hauv cov ntaub ntawv serial thiab vice versa.

UART: UART yog tus qauv uas txhais cov teeb liab hluav taws xob thiab cov ntaub ntawv sib txuas rau kev sib txuas lus. Nws tuaj yeem siv rau hauv ntau yam khoom siv sib txuas, suav nrog RS-232, RS-485, TTL, thiab lwm yam.

Interface

FTDI: FTDI siv USB ua nws interface. Nws txuas mus rau USB chaw nres nkoj ntawm ib kawg thiab muab ib qho kev sib txuas (xws li RS-232) ntawm lwm qhov kawg.

UART: UART tuaj yeem muab tso rau hauv ntau hom kev sib txuas, xws li RS-232, RS-485, lossis TTL. Cov interfaces no siv ntau theem voltage thiab connector hom.

Cov Ntaub Ntawv Hloov Tus Nqi

FTDI: Cov ntaub ntawv hloov pauv ntawm FTDI li nyob ntawm USB version thiab cov FTDI nti tshwj xeeb siv. USB 2.

UART: Cov ntaub ntawv hloov pauv ntawm UART nyob ntawm qhov kev siv UART tshwj xeeb thiab cov khoom siv kho vajtse siv. Nws feem ntau qeeb dua piv rau USB, xws li los ntawm ob peb puas khoom ib ob mus rau ob peb megabits ib ob.

Daim ntawv thov

FTDI: FTDI chips feem ntau siv rau hauv cov ntawv thov uas xav tau kev sib txuas lus ntawm USB-enabled li thiab cov khoom siv uas siv cov kev sib txuas sib txuas. Lawv feem ntau siv rau hauv thaj chaw xws li kev lag luam automation, embedded systems, programming thiab debugging, thiab kev sib txuas lus nrog microcontrollers.

UART: UART yog siv rau hauv ntau daim ntawv thov uas yuav tsum tau muaj kev sib txuas lus, suav nrog cov khoom siv hauv computer (xws li cov keyboards, nas, modems), embedded systems, IoT devices, telecommunications equipment, and many other electronic devices.

Hardware vs. Protocol

FTDI: FTDI yog hais txog ib lub chaw tsim khoom tshwj xeeb thiab nws cov USB-rau-serial converter chips. Nws yog ib qho khoom siv kho vajtse.

UART: UART yog hais txog kev sib txuas lus raws tu qauv thiab kev siv kho vajtse cuam tshuam. Nws yog kev sib txuas ntawm ob qho tib si kho vajtse thiab raws tu qauv.

Hauv cov ntsiab lus, FTDI yog lub tuam txhab uas tsim USB-rau-serial converter chips, thaum UART yog kev sib txuas lus raws tu qauv thiab kho vajtse interface siv rau kev sib txuas lus serial. FTDI siv USB raws li nws cov interface thiab hloov USB cov ntaub ntawv mus rau serial hom, thaum UART txhais cov hluav taws xob signaling thiab cov ntaub ntawv framing rau serial kev sib txuas lus.

USB 20 Hi-Speed to UART Cable