STM32L431RCT6 ARM Microcontrollers – MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash
♠ Inkcazo yeMveliso
| Uphawu lweMveliso | Ixabiso lophawu |
| Umenzi: | I-STMicroelectronics |
| Udidi lweMveliso: | I-ARM Microcontrollers-MCU |
| RoHS: | Iinkcukacha |
| Uthotho: | I-STM32L431RC |
| Isimbo sokuNqamisa: | SMD/SMT |
| Umqulu / Ityala: | I-LQFP-64 |
| Undoqo: | I-ARM Cortex M4 |
| Ubungakanani beMemori yeNkqubo: | 256 kB |
| Ububanzi bebhasi yeDatha: | 32 bit |
| Isisombululo se-ADC: | 12 bit |
| Ubuninzi bewotshi yokuphindaphinda: | 80 MHz |
| Inani le-I/Os: | 52 I/O |
| Idatha ye-RAM Ubungakanani: | 64 kB |
| Supply Voltage - Min: | 1.71 V |
| Ubonelelo lweVoltage-Max: | 3.6 V |
| Ubuncinci bobushushu bokusebenza: | - 40 C |
| Obona bushushu bokusebenza: | + 85 C |
| Ukupakishwa: | Itreyi |
| Uphawu: | I-STMicroelectronics |
| ISigqibo seDAC: | 12 bit |
| Uhlobo lwe-RAM yeDatha: | SRAM |
| NONE | CAN, I2C, LPUART, SAI, SPI, USART |
| Ukungevani kukufuma: | Ewe |
| Inani lamatshaneli e-ADC: | Ijelo le-16 |
| Inani lezibali-xesha/izixhobo zokubala: | 11 Isibali-xesha |
| Uthotho lweProsesa: | I-STM32L4 |
| Imveliso: | MCU+FPU |
| Uhlobo lweMveliso: | I-ARM Microcontrollers-MCU |
| Uhlobo lweMemori yeNkqubo: | Flash |
| Ubungakanani bePakethi yoMzi-mveliso: | 960 |
| Uluhlu olungaphantsi: | Microcontrollers - MCU |
| Igama loRhwebo: | I-STM32 |
| Izibali Zexesha: | Isibali-xesha se-Watchdog, Windowed |
| Ubunzima beyunithi: | 0.012335 oz |
♠ Amandla asezantsi kakhulu iArm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, ukuya kuthi ga kwi256KB Flash, 64KB SRAM, analog, audio
Izixhobo ze-STM32L431xx ziyi-microcontrollers ze-ultra-low-power based on high performance Arm® Cortex®-M4 32-bit RISC core esebenza ngokuphindaphindiweyo ukuya kwi-80 MHz.Undoqo we-Cortex-M4 ubonisa iyunithi ye-Floating point (FPU) echanekileyo enye exhasa yonke imiyalelo ye-Arm® echanekileyo yokwenziwa kwedatha kunye neentlobo zedatha.Ikwasebenzisa isethi epheleleyo yemiyalelo ye-DSP kunye neyunithi yokukhusela imemori (MPU) eyenza ukhuseleko lwesicelo.
Izixhobo ze-STM32L431xx zifakela iinkumbulo ezinesantya esiphezulu (inkumbulo yeFlash ukuya kuthi ga kwi-256 Kbyte, 64 Kbyte ye-SRAM), i-Quad SPI flash memory interface (ekhoyo kuzo zonke iipakethe) kunye noluhlu olubanzi lwee-I/Os eziphuculweyo kunye neeperipherals eziqhagamshelwe kwiibhasi ezimbini ze-APB. , iibhasi ezimbini ze-AHB kunye ne-32-bit ye-multi-AHB yebhasi ye-matrix.
Izixhobo ze-STM32L431xx zifake iindlela ezininzi zokukhusela kwimemori edibeneyo yeFlash kunye ne-SRAM: ukukhuselwa kokufunda, ukhuseleko lokubhala, ukukhuselwa kwekhowudi yobunikazi kunye ne-Firewall.
Izixhobo zibonelela ngokukhawuleza kwe-12-bit ADC (5 Msps), abathelekisi ababini, iamplifier enye yokusebenza, iziteshi ezimbini zeDAC, i-internal voltage reference buffer, i-RTC enamandla aphantsi, enye injongo ye-32-bit timer, enye i-16-bit. Isibali-xesha se-PWM esinikezelwe kulawulo lweemoto, izibali-xesha ezine zenjongo ngokubanzi ze-16-bit, kunye nezimbini ezine-16-bit zamandla aphantsi.
• Amandla asezantsi kakhulu ngeFlexPowerControl
– 1.71 V ukuya 3.6 V unikezelo lwamandla
– -40 °C ukuya 85/105/125 °C uluhlu lobushushu
-200 nA kwimowudi ye-VBAT: ubonelelo lwe-RTC kunye ne-32 × 32-bit iirejista zokugcina
-Imowudi yokuvala i-8 nA (izikhonkwane ezi-5 zokuvuka)
-28 nA imo yokulinda (izikhonkwane ezi-5 zokuvuka)
– 280 nA Imo yokulinda ene-RTC
– 1.0 µA Misa imowudi ye-2, 1.28 µA nge-RTC
– 84 µA/MHz imo yokuqhuba
-Indlela yokufumana ibhetshi (BAM)
– 4 µs ukuvuka kwimowudi yokuMisa
-Brown ukuseta ngokutsha (BOR)
-Uqhagamshelwano lwematriki
• Undoqo: I-Arm® 32-bit Cortex®-M4 CPU ene-FPU, i-Adaptive real-time accelerator (ART Accelerator™) evumela ukuphunyezwa kwe-0-state-state ukusuka kwimemori yeFlash, frequency ukuya kuma-80 MHz, MPU, 100DMIPS kunye nemiyalelo ye-DSP
• Umlinganiselo wokusebenza
– 1.25 DMIPS/MHz (Drystone 2.1)
– 273.55 CoreMark® (3.42 CoreMark/MHz @ 80 MHz)
• Umlinganiselo wamandla
– 176.7 ULPBench® amanqaku
• Imithombo yewotshi
– 4 ukuba 48 MHz crystal oscillator
– 32 kHz crystal oscillator for RTC (LSE)
-I-RC ye-16 MHz yangaphakathi elungiswe kumzi-mveliso (± 1%)
-Amandla aphantsi angaphakathi 32 kHz RC (± 5%)
-Isantya sangaphakathi se-100 kHz ukuya kwi-48 MHz i-oscillator, ilungiswe ngokuzenzekelayo yi-LSE (ingcono kuno-±0.25 % ukuchaneka)
-Ngaphakathi 48 MHz kunye nokubuyiswa iwotshi
-Ii-PLL ezi-2 zewotshi yenkqubo, iaudio, i-ADC
• Ukuya kuthi ga kwi-83 ekhawulezayo ye-I/Os, uninzi lwe-5 olunyamezelayo
• I-RTC enekhalenda ye-HW, ii-alam kunye nolungelelwaniso
• Ukuya kuthi ga kwi-21 ye-capacitive sensing channels: i-touchkey yenkxaso, i-linear kunye ne-rotary touch sensors
• 11x izibali-xesha: 1x 16-bit kancinci motor-control, 1x 32-bit kunye 2x 16-bit injongo jikelele, 2x 16- bit basic, 2x low-power 16-bit timer (ifumaneka kwimo yeStop), 2x watchdogs, SysTick isibali-xesha
• Iinkumbulo
Ukuya kuthi ga kwi-256 KB yeFlash yebhanki enye, ukhuseleko lwekhowudi yokufunda
– I-64 KB ye-SRAM kuquka i-16 KB kunye netshekhi yokulinganisa yehardware
-Ujongano lwenkumbulo ye-Quad SPI
• Ubutyebi be-analog peripherals (ubonelelo oluzimeleyo)
– 1x 12-bit ADC 5 Msps, ukuya kuthi ga kwi-16-bit ene-hardware oversampling, 200 µA/Msps
-I-2x ye-12-bit ye-DAC yokukhupha iziteshi, isampuli yamandla aphantsi kunye nokubamba
-I-1x yeamplifier yokusebenza ene-PGA eyakhelwe-ngaphakathi
– 2x ultra-low-amandla abathelekisi
• 16x ujongano lonxibelelwano – 1x SAI (ujongano lwe-serial audio)
– 3x I2C FM+(1 Mbit/s), SMBus/PMBus
– 4x USARTs (ISO 7816, LIN, IrDA, modem)
– 1x LPUART (Yeka ukuvuka oku-2)
– 3x SPIs (kunye ne-1x Quad SPI)
– CAN (2.0B Active) kunye nojongano lweSDMMC
– SWPMI ngocingo olunye lweprotocol master I/F
-IRTIM (ujongano lwe-infrared)
• 14-channel DMA isilawuli
• Inombolo yejenereyitha yenani echanekileyo
• Iyunithi yokubala ye-CRC, i-ID eyodwa yamasuntswana angama-96
