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ʻO nā polokalamu STM32L431xx nā microcontrollers ultra-low-power e pili ana i ka hana kiʻekiʻe Arm® Cortex®-M4 32-bit RISC core e hana ana ma ke alapine a hiki i 80 MHz.Hāʻawi ka Cortex-M4 core i kahi kikoʻī Floating point unit (FPU) e kākoʻo ana i nā ʻōlelo aʻoaʻo a me nā ʻano ʻikepili āpau o Arm®.Hoʻokomo pū ia i kahi pūʻulu piha o nā ʻōlelo aʻoaʻo DSP a me kahi ʻāpana pale hoʻomanaʻo (MPU) e hoʻonui ai i ka palekana noi.Hoʻokomo nā mea STM32L431xx i nā mea hoʻomanaʻo kiʻekiʻe (Flash memory a hiki i 256 Kbyte, 64 Kbyte o SRAM), he Quad SPI flash memory interface (loaʻa ma nā pūʻolo āpau) a me kahi ākea o nā I/Os i hoʻonui ʻia a me nā peripheral pili i ʻelua mau pahi APB. , ʻelua mau kaʻa kaʻa AHB a me kahi matrix kaʻaahi 32-bit multi-AHB.Hoʻokomo nā mea STM32L431xx i kekahi mau mea pale no ka hoʻomanaʻo Flash i hoʻokomo ʻia a me SRAM: pale heluhelu, pale kākau, pale helu helu helu proprietary a me Firewall.Hāʻawi nā hāmeʻa i kahi wikiwiki 12-bit ADC (5 Msps), ʻelua mea hoʻohālikelike, hoʻokahi mea hoʻonui hana, ʻelua mau kahawai DAC, kahi pahu kuhikuhi voli kūloko, RTC haʻahaʻa haʻahaʻa, hoʻokahi manawa 32-bit kumu nui, hoʻokahi manawa PWM 16-bit. hoʻolaʻa ʻia no ka hoʻokele kaʻa, ʻehā mau manawa 16-bit kumu nui, a me ʻelua mau manawa mana haʻahaʻa 16-bit.Eia kekahi, hiki i ka 21 capacitive sensing channels i loaʻa.Hāʻawi pū lākou i nā pilina kamaʻilio maʻamau a holomua.• ʻEkolu I2C • ʻEkolu SPI • ʻEkolu USART a me hoʻokahi UART Mana Haʻahaʻa.• Hoʻokahi SAI (Serial Audio Interfaces) • Hoʻokahi SDMMC • Hoʻokahi CAN • Hoʻokahi SWPMI (Single Wire Protocol Master Interface) Ke hana nei ka STM32L431xx ma ka -40 a +85 °C (+105 °C hui), -40 a +105 ° C (+125 °C junction) a me -40 a +125 °C (+130 °C junction) mai ka 1.71 a 3.6 V mana lako.ʻO kahi pūʻulu piha o nā ʻano hoʻopakele mana hiki ke hoʻolālā i nā noi haʻahaʻa.Kākoʻo ʻia kekahi mau lako mana kūʻokoʻa: hoʻokomo kūʻokoʻa kūʻokoʻa analog no ADC, DAC, OPAMP a me nā mea hoʻohālikelike.Hiki i kahi hoʻokomo VBAT ke hoʻopaʻa i ka RTC a me nā papa inoa hoʻopaʻa.Hāʻawi ka ʻohana STM32L431xx i ʻeiwa pūʻolo mai 32 a i 100-pin pūʻolo.
| Nā kikoʻī: | |
| ʻAno | Waiwai |
| Māhele | Nā Kaapuni Hoʻohui (IC) |
| Hoʻokomo ʻia - Microcontrollers | |
| ʻO Mfr | STMicroelectronics |
| moʻo | STM32L4 |
| Pūʻolo | pā |
| Kūlana Māhele | ʻeleu |
| Mea Hana Koko | ARM® Cortex®-M4 |
| Nui Nui | 32-Bit |
| Ka māmā holo | 80MHz |
| Hoʻohui | CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART |
| Pilipili | ʻIke/Hoʻihoʻi ʻia ʻo Brown-out, DMA, PWM, WDT |
| Ka helu o I/O | 39 |
| Ka nui o ka hoʻomanaʻo papahana | 256KB (256K x 8) |
| ʻAno hoʻomanaʻo papahana | PALAPALA |
| Nui EEPROM | - |
| Nui RAM | 64K x 8 |
| Voltage - Hoʻolako (Vcc/Vdd) | 1.71V ~ 3.6V |
| Nā mea hoʻololi ʻikepili | A/D 10x12b;D/A 2x12b |
| ʻAno Oscillator | Kuloko |
| Ka Mahana Hana | -40°C ~ 85°C (TA) |
| ʻAno kau ʻana | Mauna ʻili |
| Pūʻolo / hihia | 48-LQFP |
| Pūʻolo Mea Mea Hoʻolako | 48-LQFP (7x7) |
| Helu Huahana Kumu | STM32L431 |