He aha te Atanga SPI? Me pēhea te Mahi a te SPI?

He aha te Atanga SPI? Me pēhea te Mahi a te SPI?

Ko te SPI he whakarāpopototanga mō te Serial Peripheral Interface, ā, e ai ki te ingoa, he atanga serial peripheral. I te tuatahi i tautuhia a Motorola i runga i ana tukatuka raupapa MC68HCXX.He pahi whakawhitiwhiti tere-teitei, takirua-katoa, tukutahi te SPI, ā, e whā noa ngā rārangi e nohoia ana i runga i te pine maramara, e penapena ana i te pine o te maramara, me te penapena wāhi mō te tahora PCB, e whakarato ana i te whai wāhitanga, e whakamahia ana i roto i te EEPROM, FLASH, karaka wā-tūturu, kaitahuri AD, me waenga i te tukatuka tohu mamati me te wetewaehere tohu mamati.

E rua ngā momo matua me ngā momo pononga o te SPI. Me whakauru e te pūnaha whakawhitiwhiti kōrero SPI tētahi (kotahi anake) o ngā pūrere matua me tētahi, neke atu rānei, o ngā pūrere pononga. Mā te pūrere matua (Matua) e whakarato te karaka, te pūrere pononga (Pononga), me te atanga SPI, e tīmatahia ana e te pūrere matua. Ina he maha ngā pūrere pononga, ka whakahaerehia e ngā tohu maramara.He hononga takirua-katoa te SPI, ā, kāore te SPI e tautuhi i tētahi rohe tere, ā, ko te whakatinanatanga whānui ka eke, ka neke atu rānei i te 10 Mbps.

E whā ngā rārangi tohu e whakamahia ana e te atanga SPI mō te whakawhitiwhiti kōrero:

SDI (Whakauru Raraunga), SDO (Putanga Raraunga), SCK (Karaka), CS (Tīpako)

MISO:He pine tāuru/tāputa pūrere matua mai i te pūrere. Ka tukuna e te pine ngā raraunga i te aratau, ka whiwhi raraunga i te aratau matua.

MOSI:Pūrere Matua He pine putanga/whakauru mai i te pūrere. Ka tukuna e te pine ngā raraunga i te aratau matua, ka whiwhi raraunga mai i te aratau.

SCLK:Tohu karaka raupapa, i hangaia e te taputapu matua.

CS / SS:Tīpakohia te tohu mai i ngā taputapu, e whakahaerehia ana e ngā taputapu matua. He "pine whiriwhiri maramara" tēnei, e tīpako ana i te taputapu pononga kua tohua, e āhei ai te taputapu matua ki te kōrero ki tētahi taputapu pononga motuhake anake, me te karo hoki i ngā taupatupatu i runga i te raina raraunga.

I ngā tau tata nei, kua noho te whakakotahitanga o te hangarau SPI (Serial Peripheral Interface) me ngā whakaaturanga OLED (Organic Light-Emitting Diode) hei kaupapa matua i roto i te umanga hangarau. Ko te SPI, e mōhiotia ana mō tōna whai huatanga nui, te iti o te whakamahinga hiko, me te hoahoa taputapu māmā, ka whakarato i te tuku tohu pumau mō ngā whakaaturanga OLED. I taua wā, ko ngā mata OLED, me ō rātou āhuatanga whakaputa-ake, ō rātou ōwehenga rerekētanga teitei, ngā koki tirohanga whānui, me ngā hoahoa tino angiangi, kei te piki haere te whakakapinga o ngā mata LCD tuku iho, ka noho hei otinga whakaaturanga pai mō ngā waea atamai, ngā taputapu mau, me ngā taputapu IoT.