Apejuwe
Awọn ẹrọ STM32L431xx jẹ awọn oluṣakoso microcontrollers ultra-low-power da lori iṣẹ giga Arm® Cortex®-M4 32-bit RISC mojuto ti n ṣiṣẹ ni igbohunsafẹfẹ ti o to 80 MHz.Kotesi-M4 mojuto ṣe ẹya kan pato aaye Lilefoofo (FPU) eyiti o ṣe atilẹyin fun gbogbo Arm® awọn ilana ṣiṣe data-konge kanṣoṣo ati awọn iru data.O tun ṣe eto kikun ti awọn ilana DSP ati ẹyọ aabo iranti (MPU) eyiti o mu aabo ohun elo pọ si.Awọn ẹrọ STM32L431xx ṣe ifibọ awọn iranti iyara giga (iranti filasi to 256 Kbyte, 64 Kbyte ti SRAM), wiwo awọn iranti iranti Quad SPI kan (wa lori gbogbo awọn idii) ati ibiti o gbooro ti I/Os imudara ati awọn agbeegbe ti o sopọ si awọn ọkọ akero APB meji , meji AHB akero ati ki o kan 32-bit olona-AHB akero matrix.Awọn ẹrọ STM32L431xx ṣe ọpọlọpọ awọn ọna aabo fun iranti Flash ifibọ ati SRAM: Idaabobo kika, kikọ aabo, aabo koodu kika ohun-ini ati ogiriina.Awọn ẹrọ naa nfunni ni iyara 12-bit ADC (5 Msps), awọn afiwera meji, ampilifaya iṣẹ kan, awọn ikanni DAC meji, ifipamọ itọkasi foliteji ti inu, RTC agbara kekere kan, aago 32-bit gbogbogbo ọkan, aago PWM 16-bit kan igbẹhin si iṣakoso mọto, mẹrin-idi gbogbo-akoko 16-bit, ati awọn aago agbara kekere 16-bit meji.Ni afikun, to awọn ikanni oye agbara 21 wa.Wọn tun ṣe ẹya boṣewa ati awọn atọkun ibaraẹnisọrọ to ti ni ilọsiwaju.• Meta I2Cs • Meta SPIs • mẹta USARTs ati ọkan Low-Power UART.• SAI kan (Awọn atọwọdọwọ Audio Tẹlentẹle) • SDMMC kan • Ọkan CAN • SWPMI Kan (Itọka Wire Protocol Master Interface) STM32L431xx nṣiṣẹ ni -40 si +85 °C (+105 °C junction), -40 si +105 ° C (+125 °C junction) ati -40 to +125 °C (+130 °C junction) otutu awọn sakani lati kan 1.71 to 3,6 V ipese agbara.Eto okeerẹ ti awọn ipo fifipamọ agbara ngbanilaaye apẹrẹ awọn ohun elo kekere.Diẹ ninu awọn ipese agbara ominira ni atilẹyin: igbewọle ipese ominira afọwọṣe fun ADC, DAC, OPAMP ati awọn afiwera.Iṣagbewọle VBAT ngbanilaaye lati ṣe afẹyinti RTC ati awọn iforukọsilẹ afẹyinti.Idile STM32L431xx nfunni ni awọn idii mẹsan lati awọn idii 32 si 100-pin.
Awọn pato: | |
Iwa | Iye |
Ẹka | Awọn iyika Iṣọkan (ICs) |
Ifibọ - Microcontrollers | |
Mfr | STMicroelectronics |
jara | STM32L4 |
Package | Atẹ |
Ipo apakan | Ti nṣiṣe lọwọ |
mojuto ero isise | ARM® Cortex®-M4 |
Core Iwon | 32-Bit |
Iyara | 80MHz |
Asopọmọra | CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART |
Awọn agbeegbe | Brown-jade Ṣawari/Tunto, DMA, PWM, WDT |
Nọmba ti I/O | 52 |
Eto Iwon Iranti | 256KB (256K x 8) |
Eto Iranti Iru | FILASI |
EEPROM Iwon | - |
Ramu Iwon | 64k x8 |
Foliteji - Ipese (Vcc/Vdd) | 1.71V ~ 3.6V |
Data Converter | A/D 16x12b;D/A 2x12b |
Oscillator Iru | Ti abẹnu |
Awọn iwọn otutu ti nṣiṣẹ | -40°C ~ 85°C (TA) |
Iṣagbesori Iru | Oke Oke |
Package / Ọran | 64-LQFP |
Package Device Olupese | 64-LQFP (10x10) |
Nọmba Ọja mimọ | STM32L431 |