STM32L072V8T6 ARM Microcontrollers MCU Ultra-low-power Arm Cortex-M0+ MCU 64-Kbytes of Flash 32MHz CPU USB
♠ Inkcazo yeMveliso
| Uphawu lweMveliso | Ixabiso lophawu |
| Umenzi: | I-STMicroelectronics |
| Udidi lweMveliso: | I-ARM Microcontrollers-MCU |
| RoHS: | Iinkcukacha |
| Uthotho: | I-STM32L072V8 |
| Umqulu / Ityala: | LQFP-100 |
| Ukupakishwa: | Itreyi |
| Uphawu: | I-STMicroelectronics |
| Ukungevani kukufuma: | Ewe |
| Uhlobo lweMveliso: | I-ARM Microcontrollers-MCU |
| Ubungakanani bePakethi yoMzi-mveliso: | 540 |
| Uluhlu olungaphantsi: | Microcontrollers - MCU |
| Igama loRhwebo: | I-STM32 |
| Ubunzima beyunithi: | 0.024037 oz |
♠ Ultra-low-low-bit 32-bit MCU Arm®-based Cortex®-M0+, ukuya kuthi ga kwi-192KB Flash, 20KB SRAM, 6KB EEPROM, USB, ADC, DACs
I-ultra-low-low-power STM32L072xx microcontrollers idibanisa amandla okudibanisauniversal serial bus (USB 2.0 crystal-less) ene-Arm Cortex-M0+ esebenza kakhulu.I-32-bit ye-RISC engundoqo esebenza kwi-32 MHz rhoqo, iyunithi yokukhusela imemori (MPU), iinkumbulo ezifakwe kwisantya esiphezulu (ukuya kwi-192 Kbytes yememori yenkqubo yeFlash, i-6 Kbytes yedathaI-EEPROM kunye ne-20 Kbytes ye-RAM) kunye noluhlu olubanzi lwee-I / Os eziphuculweyo kunyeperipherals.
Izixhobo ze-STM32L072xx zibonelela ngokusebenza kwamandla aphezulu kuluhlu olubanzi lokusebenza.
Iphunyezwa ngokukhetha okukhulu kwemithombo yewashi yangaphakathi nangaphandle, i-voltage yangaphakathiukulungelelanisa kunye neendlela ezininzi zamandla aphantsi.
Izixhobo ze-STM32L072xx zibonelela ngeempawu ezininzi ze-analog, enye i-12-bit ADC enehardware.i-oversampling, iiDAC ezimbini, izithelekisi zamandla asezantsi kakhulu, amaxesha amaninzi, amandla aphantsi omnyetimer (LPTIM), ezine-injongo jikelele-bit izibali-bit kunye ezimbini ezisisiseko, RTC enye kunyeSysTick enokusetyenziswa njengeziseko zexesha.Bakwabonisa izinja ezimbini zokulinda, inja enyengewotshi ezimeleyo kunye nekhono lefestile kunye ne-window watchdog enye esekelwe kwibhasiiwotshi.
Ngaphezu koko, izixhobo ze-STM32L072xx zifakela umgangatho kunye nonxibelelwano oluphambiliujongano: ukuya kuthi ga kwii-I2Cs ezintathu, ii-SPI ezimbini, i-I2S enye, ii-USART ezine, i-UART enamandla aphantsi(LPUART), kunye ne-crystal-less USB.Izixhobo zibonelela ukuya kuthi ga kwi-24 capacitive sensing channelsukudibanisa ngokulula usebenziso lwemvakalelo yokuchukumisa kuso nasiphi na isicelo.
I-STM32L072xx ikwabandakanya iwotshi yexesha lokwenyani kunye neseti yeerejista ezigciniweyo eziseleyo.inikwe amandla kwimo yokulinda.
Izixhobo ezinamandla ezisezantsi ze-STM32L072xx zisebenza ukusuka kumbane we-1.8 ukuya kwi-3.6 V (ezantsiukuya kwi-1.65 V kumandla ezantsi) nge-BOR kwaye ukusuka ku-1.65 ukuya kwi-3.6 V unikezelo lwamandla ngaphandle kwe-BORukhetho.Zifumaneka kwi -40 ukuya +125 °C kuluhlu lobushushu.Iseti ebanzi yeiindlela zokugcina amandla zivumela uyilo lwezicelo zamandla aphantsi.
• Iqonga lamandla asezantsi kakhulu
– 1.65 V ukuya 3.6 V unikezelo lwamandla
-40 ukuya kwi-125 °C uluhlu lobushushu
-0.29 µImowudi yokulinda (izikhonkwane ezi-3 zokuvuka)
-0.43 µA Imowudi yokumisa (imigca yokuvuka eyi-16)
– 0.86 µA Imo yokuyeka + RTC + 20-Kbyte RAMugcino
-Ukuya kuthi ga kwi-93 µA/MHz kwimowudi yokuBaleka
-I-5 µs ixesha lokuvuka (ukusuka kwimemori edanyazayo)
– 41 µA 12-bit ADC uguqulo kwi-10 ksps
• Undoqo: I-Arm® 32-bit Cortex®-M0+ eneMPU
Ukusuka kwi-32 kHz ukuya kuma-32 MHz max.
– 0.95 DMIPS/MHz
• Iinkumbulo
Ukuya kuthi ga kwi-192-Kbyte inkumbulo yeFlash ene-ECC (2iibhanki ezikwaziyo ukufunda-ngelixa-bhalayo)
– 20-Kbyte RAM
-I-6 Kbytes yedatha ye-EEPROM ene-ECC
– 20-byte irejista yokugcina
– Ukhuseleko lwecandelo ngokuchasene nokusebenza kweR/W
• Ukuya kuthi ga kwi-84 fast I/Os (78 I/Os 5V inyamezela)
• Ukusetha ngokutsha kunye nolawulo lonikezelo
-Ikhuselekile kakhulu, i-BOR yamandla aphantsi (ukusetwa ngokutsha kwebrownout)nge-5 imibundu ekhethiweyo
-I-Ultra-low-power POR/PDR
-Isixhobo sokujonga amandla ombane esilungiselelweyo (PVD)
• Imithombo yewotshi
– 1 ukuba 25 MHz crystal oscillator
– 32 kHz oscillator ye-RTC enolungelelwaniso
-Isantya esiphezulu sangaphakathi 16 MHz ifektri esilungisiweyo RC(+/- 1%)
– Amandla aphantsi angaphakathi 37 kHz RC
– Isantya esiphezulu sangaphakathi-amandla aphantsi 65 kHz ukuya4.2 MHz RC
-Ukulinganisa kwangaphakathi kwe-48 MHz RC ye-USB
-PLL yewotshi yeCPU
• I-bootloader ecwangciswe kwangaphambili
-USB, UART ixhaswa
• Inkxaso yophuhliso
– Uthotho lwecingo debug inkxaso
• Iiperipherals zeAnalog ezityebileyo
-I-12-bit ADC 1.14 Msps ukuya kuthi ga kwiitshaneli ezili-16 (ezantsiukuya kwi-1.65V)
– I-2 x 12-bit yetshaneli ye-DACs enezithinteli zemveliso(ukuya kuthi ga kwi-1.8 V)
-I-2x i-ultra-low-power comparates (imowudi yefestilekwaye uvuke amandla, ukuya kuthi ga kwi-1.65 V)
• Ukuya kuthi ga kwi-24 capacitive amajelo axhasayoisitshixo sokuchukumisa, esinemigca kunye nesijikelezayo sabenzi boluvo sokubamba
• Umlawuli we-DMA we-7-channel, exhasa i-ADC, i-SPI,I2C, USART, DAC, Timers
• I-11x yonxibelelwano lwe-peripheral interface
– 1x USB 2.0 crystal-less, ukutshaja ibhetriubhaqo kunye neLPM
– 4x UART (2 nge ISO 7816, IrDA), 1x UART(amandla aphantsi)
– Ukuya kuthi ga kwi-6x SPI 16 Mbits/s
– 3x I2C (2 nge-SMBus/PMBus)
• 11x izibali-xesha: 2x 16-bit ukuya kuthi ga kwizitishi ezi-4, 2x 16-bitukuya kuthi ga kwiitshaneli ezi-2, 1x 16-bit ultra-low-powertimer, 1x SysTick, 1x RTC, 2x 16-bit esisiseko seDAC,kunye ne-2x watchdogs (ezizimeleyo/ifestile)
• Iyunithi yokubala ye-CRC, i-ID eyodwa yamasuntswana angama-96
• I-RNG yokwenene kunye nokhuseleko lomlilo
• Zonke iipakethe ze-ECOPACK2
• Iimitha zegesi/zamanzi kunye nezivamvo zamashishini
• Izixhobo zempilo kunye nokomelela
• Ulawulo olukude kunye nojongano lomsebenzisi
• PC peripherals, imidlalo, izixhobo GPS
• Isixokelelwano se-alam, iinzwa zengcingo nezingenazingcingo, i-intercom yevidiyo
