STM32L431CBY6TR Mikrokontroler ARM – MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbyte Flash
♠ Deskripsi Produk
| Atribut Produk | Nilai Atribut |
| Produsen: | STMicroelectronics |
| Kategori produk: | Mikrokontroler ARM - MCU |
| RoHS: | Rincian |
| Seri: | STM32L431CB |
| Gaya Pemasangan: | SMD/SMT |
| Paket / Case: | WLCSP-48 |
| inti: | ARM Korteks M4 |
| Ukuran Memori Program: | 128 kB |
| Jembar Data Bus: | 32 bit |
| Resolusi ADC: | 12 bit |
| Frekuensi Jam Maksimum: | 80 MHz |
| Jumlah I/Os: | 38 I/O |
| Ukuran RAM Data: | 64 kB |
| Tegangan Pasokan - Min: | 1.71 V |
| Tegangan Pasokan - Maks: | 3.6 V |
| Suhu Operasi Minimal: | - 40 C |
| Suhu operasi maksimum: | + 85 C |
| Packaging: | Reel |
| Merk: | STMicroelectronics |
| Resolusi DAC: | 12 bit |
| Tipe RAM Data: | SRAM |
| Tipe Antarmuka: | BISA, I2C, LPUART, SAI, SPI, USART |
| Jumlah Saluran ADC: | 10 Saluran |
| Jumlah Timer / Counter: | 11 Timer |
| Seri prosesor: | STM32L4 |
| produk: | MCU+FPU |
| Tipe produk: | Mikrokontroler ARM - MCU |
| Tipe Memori Program: | lampu kilat |
| Jumlah Paket Pabrik: | 5000 |
| Subkategori: | Mikrokontroler - MCU |
| Jeneng dagang: | STM 32 |
| Pengawas Timer: | Watchdog Timer, Windowed |
| Bobot Unit: | 0,000405 oz |
♠ Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, Flash nganti 256KB, SRAM 64KB, analog, audio
Piranti STM32L431xx minangka mikrokontroler ultra-rendah adhedhasar inti RISC 32-bit Arm® Cortex®-M4 kanthi kinerja dhuwur sing beroperasi kanthi frekuensi nganti 80 MHz.Inti Cortex-M4 nduweni presisi tunggal Floating point unit (FPU) sing ndhukung kabeh instruksi pangolahan data presisi tunggal Arm® lan jinis data.Iku uga ngleksanakake pesawat lengkap instruksi DSP lan unit pangayoman memori (MPU) kang nambah keamanan aplikasi.
Piranti STM32L431xx ngemot memori kanthi kacepetan dhuwur (memori lampu kilat nganti 256 Kbyte, 64 Kbyte SRAM), antarmuka memori flash Quad SPI (kasedhiya ing kabeh paket) lan macem-macem I / Os lan periferal sing disambungake menyang rong bus APB. , loro bus AHB lan matriks bus multi-AHB 32-dicokot.
Piranti STM32L431xx ngemot sawetara mekanisme proteksi kanggo memori Flash lan SRAM sing dipasang: proteksi maca, proteksi nulis, proteksi maca kode lan Firewall.
Piranti kasebut nyedhiyakake ADC 12-bit (5 Msps), loro komparator, siji amplifier operasional, rong saluran DAC, buffer referensi voltase internal, RTC kurang daya, siji timer 32-bit tujuan umum, siji 16-bit Timer PWM darmabakti kanggo kontrol motor, papat timer 16-bit tujuan umum, lan loro timer daya 16-bit.
Kajaba iku, nganti 21 saluran sensor kapasitif kasedhiya.
• Ultra-kurang-daya karo FlexPowerControl
- 1,71 V kanggo 3,6 V sumber daya
– -40 °C nganti 85/105/125 °C kisaran suhu
– 200 nA ing mode VBAT: sumber kanggo RTC lan 32×32-bit serep register
- 8 mode mateni nA (5 pin wakeup)
– 28 nA Mode siyaga (5 pin wakeup)
– Mode siyaga 280 nA karo RTC
– 1.0 µA Mode Stop 2, 1.28 µA karo RTC
- Mode run 84 µA/MHz
- Mode akuisisi kumpulan (BAM)
– 4 µs tangi saka mode Stop
- Brown out reset (BOR)
- Matriks interkoneksi
• Inti: Arm® 32-bit Cortex®-M4 CPU karo FPU, Adaptive real-time accelerator (ART Accelerator™) ngidini eksekusi 0-wait-state saka memori Flash, frekuensi nganti 80 MHz, MPU, 100DMIPS lan instruksi DSP
• pathokan kinerja
– 1.25 DMIPS/MHz (Batu Kering 2.1)
– 273,55 CoreMark® (3,42 CoreMark/MHz @ 80 MHz)
• pathokan energi
– 176.7 skor ULPBench®
• Sumber Jam
- 4 nganti 48 MHz osilator kristal
– Osilator kristal 32 kHz kanggo RTC (LSE)
- RC internal 16 MHz sing dipangkas pabrik (±1%)
– Daya sedheng internal 32 kHz RC (±5%)
– Osilator multispeed internal 100 kHz nganti 48 MHz, kanthi otomatis dipangkas dening LSE (akurasi luwih apik tinimbang ± 0,25%)
- Internal 48 MHz kanthi pemulihan jam
- 2 PLL kanggo jam sistem, audio, ADC
• Nganti 83 cepet I / Os, paling 5 V-sabar
• RTC karo HW tanggalan, weker lan kalibrasi
• Nganti 21 saluran sensor kapasitif: ndhukung tombol tutul, sensor tutul linear lan Rotary
• 11x timer: 1x 16-bit majeng motor-control, 1x 32-bit lan 2x 16-bit tujuan umum, 2x 16-bit dhasar, 2x low-power 16-bit timer (kasedhiya ing mode Stop), 2x watchdog, SysTick timer
• Kenangan
- Nganti 256 KB bank tunggal Flash, proteksi maca kode proprietary
- 64 KB SRAM kalebu 16 KB kanthi mriksa paritas hardware
- Antarmuka memori Quad SPI
• Periferal analog sing sugih (suplai mandiri)
– 1x 12-bit ADC 5 Msps, nganti 16-bit karo hardware oversampling, 200 µA/Msps
– 2x 12-bit DAC saluran output, sampel kurang daya lan terus
- 1x amplifier operasional kanthi PGA sing dibangun
- 2x komparator ultra-rendah
• 16x antarmuka komunikasi
- 1x SAI (antarmuka audio serial)
– 3x I2C FM+(1 Mbit/s), SMBus/PMBus
– 4x USARTs (ISO 7816, LIN, IrDA, modem)
- 1x LPUART (Stop 2 wake-up)
- 3x SPI (lan 1x Quad SPI)
- CAN (2.0B Aktif) lan antarmuka SDMMC
– Master protokol kabel tunggal SWPMI I/F
- IRTIM (antarmuka Infrared)
• 14-saluran DMA controller
• Bener nomer generator acak
• Unit pitungan CRC, ID unik 96-dicokot
• Dhukungan pangembangan: debug kabel serial (SWD), JTAG, Embedded Trace Macrocell™
