Kufotokozera
Zipangizo za STM32L452xx ndi ma ultra-low-power microcontrollers kutengera Arm® Cortex®-M4 32-bit RISC core yogwira ntchito kwambiri yomwe imagwira ntchito pafupipafupi mpaka 80 MHz.Cortex-M4 core imakhala ndi Floating point unit (FPU) yolondola imodzi yomwe imathandizira malangizo onse a Arm® single-processing data-processing ndi mitundu ya data.Imagwiritsanso ntchito malangizo onse a DSP ndi gawo loteteza kukumbukira (MPU) lomwe limakulitsa chitetezo cha pulogalamu.Zipangizo za STM32L452xx zimayika zikumbukiro zothamanga kwambiri (Flash memory mpaka 512 Kbyte, 160 Kbyte ya SRAM), mawonekedwe a Quad SPI Flash memory (omwe akupezeka pamaphukusi onse) komanso ma I/O owonjezera ndi zotumphukira zolumikizidwa ndi mabasi awiri a APB. , mabasi awiri a AHB ndi matrix a 32-bit multi-AHB.Zipangizo za STM32L452xx zimaphatikizira njira zingapo zodzitchinjiriza zophatikizidwa ndi Flash memory ndi SRAM: chitetezo chowerengera, chitetezo cholemba, chitetezo chowerengera ma code ndi Firewall.Zipangizozi zimapereka 12-bit ADC (5 Msps), zofananira ziwiri, amplifier imodzi, njira imodzi ya DAC, buffer yamkati yamagetsi, RTC yotsika mphamvu, nthawi imodzi ya 32-bit, 16-bit PWM timer. odzipereka ku kuwongolera magalimoto, zowonera nthawi zinayi za 16-bit, ndi zowerengera ziwiri za 16-bit low-power time.Kuphatikiza apo, mpaka 21 capacitive sensing channels zilipo.Iwo zimaonetsa muyezo ndi patsogolo kulankhulana polumikizira, kutanthauza anayi I2Cs, atatu SPIs, atatu UARTs, UART mmodzi ndi Low-Mphamvu UART wina, SAI mmodzi, SDMMC mmodzi, CAN mmodzi, USB zonse-liwiro chipangizo galasi zochepa.STM32L452xx imagwira ntchito mu -40 mpaka +85 °C (+105 °C mphambano) ndi -40 mpaka +125 °C (+130 °C makulidwe) kutentha kumayambira pa 1.71 mpaka 3.6 VDD magetsi a VDD mukamagwiritsa ntchito chowongolera chamkati cha LDO ndi magetsi a 1.05 mpaka 1.32V VDD12 mukamagwiritsa ntchito ma SMPS akunja.Kuphatikizika kwa mitundu yopulumutsira mphamvu kumapangitsa kupanga mapangidwe amagetsi otsika.Mphamvu zina zodziyimira pawokha zimathandizidwa: zolowetsa zodziyimira pawokha za analogi za ADC, DAC, OPAMP ndi zofananira.Kulowetsa kwa VBAT kumapangitsa kuti zitheke kusunga RTC ndi zolembetsa zosunga zobwezeretsera.Zida zamagetsi zodzipatulira za VDD12 zitha kugwiritsidwa ntchito kudutsa chowongolera chamkati cha LDO mukalumikizidwa ndi SMPS yakunja.Banja la STM32L452xx limapereka mapaketi asanu ndi awiri kuchokera pa 48 mpaka 100-pin.
Zofotokozera: | |
Malingaliro | Mtengo |
Gulu | Magawo Ophatikizana (ICs) |
Ophatikizidwa - Microcontrollers | |
Mfr | Zithunzi za STMicroelectronics |
Mndandanda | Chithunzi cha STM32L4 |
Phukusi | Thireyi |
Gawo Status | Yogwira |
Core processor | ARM® Cortex®-M4 |
Kukula kwa Core | 32-bit |
Liwiro | 80MHz |
Kulumikizana | CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART, USB |
Zotumphukira | Brown-out Detect/Reset, DMA, PWM, WDT |
Nambala ya I/O | 38 |
Kukula kwa Memory Program | 512KB (512K x 8) |
Mtundu wa Memory Program | FLASH |
Kukula kwa EEPROM | - |
Kukula kwa RAM | 160k x8 |
Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
Zosintha za Data | A/D 10x12b;D/A 1x12b |
Mtundu wa Oscillator | Zamkati |
Kutentha kwa Ntchito | -40°C ~ 85°C (TA) |
Mtundu Wokwera | Surface Mount |
Phukusi / Mlandu | 48-UFQFN Yowonekera Pad |
Phukusi la chipangizo cha Supplier | 48-UFQFPN (7x7) |
Nambala Yoyambira Yogulitsa | Chithunzi cha STM32L452 |