Nkọwa
Ngwa STM32L431xx bụ ndị na-ahụ maka microcontrollers nwere obere ike dabere na nnukwu arụmọrụ Arm® Cortex®-M4 32-bit RISC core na-arụ ọrụ na ugboro ruru 80 MHz.Cortex-M4 isi nwere atụmatụ otu nkenke nke na-akwado Arm® otu-nkenke data nhazi na ụdị data.Ọ na-arụkwa ọrụ ntuziaka DSP zuru oke yana ngalaba nchekwa nchekwa (MPU) nke na-eme ka nchekwa ngwa dịkwuo elu.Ngwa STM32L431xx tinyere ihe ncheta dị elu (Flash ebe nchekwa ruo 256 Kbyte, 64 Kbyte nke SRAM), Quad SPI flash memories interface (dị na ngwugwu niile) yana ọtụtụ ụdị nkwalite I / Os na mpụta jikọtara na ụgbọ ala APB abụọ. , ụgbọ ala AHB abụọ na nnukwu ụgbọ ala 32-bit multi-AHB.Ngwa STM32L431xx tinyere ọtụtụ usoro nchebe maka ebe nchekwa Flash agbakwunyere na SRAM: nchedo ịgụ ihe, ide ihe nchedo, nchedo koodu ịgụ akwụkwọ na Firewall.Ngwa ndị a na-enye ngwa ngwa 12-bit ADC (5 Msps), ndị comparators abụọ, otu amplifier arụ ọrụ, ọwa DAC abụọ, ihe nchekwa voltaji dị n'ime, RTC dị ala, otu ngụ oge 32-bit n'ozuzu, otu ngụ oge PWM 16-bit. raara onwe ya nye na njikwa moto, ihe ngụ oge 16-bit izugbe anọ, yana ngụ oge dị obere 16-bit.Na mgbakwunye, ihe ruru ọwa mmetụta capacitive 21 dị.Ha na-egosipụtakwa ọkọlọtọ na interface nkwukọrịta dị elu.• I2C atọ • SPI atọ • USART atọ na otu UART dị ala.• Otu SAI (Serial Audio Interfaces) • Otu SDMMC • Otu CAN • Otu SWPMI (Single Wire Protocol Master Interface) STM32L431xx na-arụ ọrụ na -40 ruo + 85 °C (+105 °C junction), -40 ruo +105 Celsius. C (+125 Celsius C junction) na -40 ruo +125 Celsius C (+130 Celsius C junction) okpomọkụ sitere na 1.71 ruo 3.6 V ike ọkọnọ.Ụdị usoro nchekwa ike zuru oke na-enye ohere ịmepụta ngwa ngwa dị ala.A na-akwado ụfọdụ akụrụngwa ike nọọrọ onwe ya: ntinye aka na-enye onwe ya maka ADC, DAC, OPAMP na comparators.Ntinye VBAT na-enye ohere ịkwado RTC na ndekọ ndabere.Ezinụlọ STM32L431xx na-enye ngwugwu itoolu sitere na ngwugwu 32 ruo 100-pin.
Nkọwapụta: | |
Njirimara | Uru |
Otu | Sekit jikọtara ọnụ (ICs) |
agbakwunyere - Microcontrollers | |
Mfr | STMicroelectronics |
Usoro | STM32L4 |
ngwugwu | Tray |
Ọnọdụ akụkụ | Na-arụ ọrụ |
Ihe nhazi isi | ARM® Cortex®-M4 |
Nha isi | 32-Bit |
Ọsọ | 80MHz |
Njikọta | CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART |
Akụkụ | Chọpụta/Tọgharịa Brown-out, DMA, PWM, WDT |
Ọnụọgụ nke I/O | 39 |
Nha ebe nchekwa mmemme | 256KB (256K x 8) |
Ụdị ebe nchekwa mmemme | FLASH |
Nha EEPROM | - |
Ogo RAM | 64k x8 |
Voltaji - Ntinye (Vcc/Vdd) | 1.71V ~ 3.6V |
Ndị ntụgharị data | A/D 10x12b;D/A 2x12b |
Ụdị Oscillator | Ime |
Okpomọkụ na-arụ ọrụ | -40°C ~ 85°C (TA) |
Ụdị nkwụnye | Ugwu elu |
Ngwungwu / Akpa | Mpempe akwụkwọ ekpughere 48-UFQFN |
Ngwungwu ngwaọrụ ndị na-eweta ihe | 48-UFQFPN (7x7) |
Nọmba ngwaahịa ntọala | STM32L431 |