STM32L431RCT6 ARM Microcontrollers – MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash
♠ Incazelo Yomkhiqizo
| Isibaluli Somkhiqizo | Isibaluli senani |
| Umkhiqizi: | I-STMicroelectronics |
| Isigaba somkhiqizo: | I-ARM Microcontrollers - i-MCU |
| I-RoHS: | Imininingwane |
| Uchungechunge: | Idatha ye-STM32L431RC |
| Isitayela Sokukhweza: | I-SMD/SMT |
| Iphakheji / Ikesi: | I-LQFP-64 |
| Ingqikithi: | I-ARM Cortex M4 |
| Usayizi Wenkumbulo Yohlelo: | 256kb |
| Ububanzi Bebhasi Ledatha: | 32 bit |
| Ukulungiswa kwe-ADC: | 12 kancane |
| Imvamisa yewashi enkulu: | 80 MHz |
| Inombolo yama-I/Os: | 52 I/O |
| Usayizi we-RAM yedatha: | awu 64kb |
| Supply Voltage - Min: | 1.71 V |
| Supply Voltage - Max: | 3.6 V |
| Izinga Lokushisa Eliphansi Lokusebenza: | - 40 C |
| Ubukhulu Bezinga Lokushisa Lokusebenza: | + 85 C |
| Ukupakishwa: | Ithreyi |
| Ibhrendi: | I-STMicroelectronics |
| Isixazululo se-DAC: | 12 kancane |
| Uhlobo lwe-RAM yedatha: | I-SRAM |
| Uhlobo lwesixhumi esibonakalayo: | I-CAN, I2C, LPUART, SAI, SPI, USART |
| Kuyazwela umswakama: | Yebo |
| Inombolo yeziteshi ze-ADC: | 16 Isiteshi |
| Inombolo Yezibali-sikhathi/Izibali: | 11 Isibali sikhathi |
| Uchungechunge Lwephrosesa: | I-STM32L4 |
| Umkhiqizo: | I-MCU+FPU |
| Uhlobo Lomkhiqizo: | I-ARM Microcontrollers - i-MCU |
| Uhlobo Lwenkumbulo Yohlelo: | I-Flash |
| Inani Lephakethe Lefekthri: | 960 |
| Isigaba esingaphansi: | Ama-Microcontrollers - i-MCU |
| Igama lokuhweba: | I-STM32 |
| Izibali-sikhathi ze-Watchdog: | I-Watchdog Timer, Iwindi |
| Isisindo Seyunithi: | 0.012335 oz |
♠ Amandla aphansi kakhulu i-Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, kufika ku-256KB Flash, 64KB SRAM, i-analog, umsindo
Amadivayisi e-STM32L431xx angama-microcontrollers anamandla aphansi kakhulu asuselwa ekusebenzeni okuphezulu komgogodla we-Arm® Cortex®-M4 32-bit RISC osebenza imvamisa yokufika ku-80 MHz.I-Cortex-M4 core ifaka iyunithi yephoyinti elintantayo (i-FPU) ukunemba okukodwa okusekela yonke imiyalelo ye-Arm® yokunemba okukodwa yokucubungula idatha nezinhlobo zedatha.Iphinde isebenzise isethi egcwele yemiyalelo ye-DSP kanye neyunithi yokuvikela inkumbulo (MPU) ethuthukisa ukuphepha kohlelo lokusebenza.
Amadivayisi we-STM32L431xx ashumeka izinkumbulo zesivinini esikhulu (Inkumbulo ye-Flash efika ku-256 Kbyte, 64 Kbyte ye-SRAM), isixhumi esibonakalayo se-Quad SPI memory memory (etholakala kuwo wonke amaphakheji) kanye nohlu olubanzi lwama-I/O athuthukisiwe nama-peripheral axhunywe kumabhasi amabili e-APB , amabhasi amabili e-AHB kanye ne-32-bit multi-AHB matrix yebhasi.
Amadivayisi we-STM32L431xx ashumeka izindlela zokuvikela ezimbalwa zememori ye-Flash eshumekiwe kanye ne-SRAM: ukuvikelwa kokufunda, ukuvikelwa kokubhala, ukuvikelwa kokufunda ikhodi yobunikazi kanye ne-Firewall.
Amadivayisi ahlinzeka nge-ADC engu-12-bit esheshayo (5 Msps), iziqhathaniso ezimbili, isikhulisi esisodwa sokusebenza, amashaneli e-DAC amabili, isigcinalwazi sereferensi yamandla kagesi yangaphakathi, i-RTC enamandla aphansi, isibali sikhathi senhloso eyodwa esingu-32-bit, esisodwa esingu-16-bit. Isibali sikhathi se-PWM esinikezelwe ekulawuleni kwezimoto, izibali sikhathi ezine zenhloso evamile engu-16-bit, nezibali-sikhathi ezimbili zamandla aphansi angu-16-bit.
• Amandla aphansi kakhulu nge-FlexPowerControl
– 1.71 V ukuya ku-3.6 V ugesi
-40 °C kuya ku-85/105/125 °C ibanga lokushisa
- 200 nA kumodi ye-VBAT: ukunikezwa kwe-RTC namarejista angama-32×32-bit ayisipele
- Imodi yokuvala engu-8 nA (izikhonkwane zokuvuka ezi-5)
- Imodi yokulinda engu-28 nA (izikhonkwane zokuvuka ezi-5)
– 280 nA Imodi yokulinda ene-RTC
– 1.0 µA Stop 2 mode, 1.28 µA nge-RTC
- 84 µA/MHz imodi yokugijima
- Imodi yokutholwa kwenqwaba (BAM)
- 4 µs wakeup kusuka ku-Stop mode
- Ukusetha kabusha okunsundu (BOR)
- I-interconnect matrix
• Ingqikithi: I-Arm® 32-bit Cortex®-M4 CPU ene-FPU, i-Adaptive real-time accelerator (ART Accelerator™) evumela ukusebenza kwe-0-wait-state kusuka kumemori ye-Flash, imvamisa kufika ku-80 MHz, MPU, 100DMIPS nemiyalo ye-DSP
• Ibhentshimakhi yokusebenza
– 1.25 DMIPS/MHz (Drystone 2.1)
– 273.55 CoreMark® (3.42 CoreMark/MHz @ 80 MHz)
• Isilinganiso samandla
– 176.7 ULPBench® isikolo
• Imithombo Yewashi
- 4 ukuze 48 MHz crystal oscillator
- 32 kHz crystal oscillator ye-RTC (LSE)
- I-RC esikwe efekthri engu-16 MHz yangaphakathi (±1%)
- Amandla aphansi angaphakathi angu-32 kHz RC (±5%)
- I-oscillator yamasivinini amaningi angaphakathi angu-100 kHz ukuya ku-48 MHz, esikwe ngokuzenzakalelayo nge-LSE (okungcono kunokunemba okungu-±0.25 %)
- I-48 MHz yangaphakathi ngokuthola iwashi
- 2 PLL wewashi lesistimu, umsindo, i-ADC
• Kufikela kuma-I/O asheshayo angama-83, amaningi abekezelela ama-V angu-5
• I-RTC enekhalenda ye-HW, ama-alamu nokulinganisa
• Kufikela kumashaneli anamandla angama-21: isekela ukhiye wokuthinta, izinzwa zokuthinta eziqondile nezijikelezayo
• Izibali sikhathi ezingu-11x: 1x 16-bit advanced motor-control, 1x 32-bit kanye 2x 16-bit injongo evamile, 2x 16- bit basic, 2x low-power 16-bit timer (etholakala ku-Stop mode), 2x watchdogs, SysTick isibali sikhathi
• Izinkumbulo
- Kufika ku-256 KB i-Flash yasebhange eyodwa, ukuvikeleka kokufunda ikhodi yobunikazi
- 64 KB ye-SRAM kufaka phakathi u-16 KB nokuhlolwa kokulingana kwehadiwe
- I-Quad SPI memory interface
• I-analog peripherals enothile (ukunikezwa okuzimele)
– 1x 12-bit ADC 5 Msps, kufika ku-16-bit nge-hardware oversampling, 200 µA/Msps
– 2x 12-bit amashaneli okukhiphayo e-DAC, isampula yamandla aphansi nokubamba
- I-amplifier yokusebenza engu-1x ene-PGA eyakhelwe ngaphakathi
- 2x iziqhathanisi zamandla aphansi kakhulu
• 16x ukuxhumana kokuxhumana – 1x SAI (isixhumi esibonakalayo esilalelwayo)
– 3x I2C FM+(1 Mbit/s), SMBus/PMBus
- 4x USARTs (ISO 7816, LIN, IrDA, modem)
- 1x LPUART (Misa ukuvuka okungu-2)
- 3x SPIs (kanye ne-1x Quad SPI)
- I-CAN (2.0B Iyasebenza) kanye nesixhumi esibonakalayo se-SDMMC
- I-SWPMI single wire protocol master I/F
- I-IRTIM (i-infrared interface)
• Isilawuli se-DMA eneziteshi ezingu-14
• Ijeneretha yenombolo engahleliwe yangempela
• Iyunithi yokubala ye-CRC, i-ID eyingqayizivele engu-96-bit
