STM32L451REY6TR ARM Microcontrollers – MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM
♠ Tlhaloso ea Sehlahisoa
| Sehlahisoa Tšobotsi | Boleng ba Tšobotsi |
| Moetsi: | STMicroelectronics |
| Sehlopha sa Sehlahisoa: | ARM Microcontrollers - MCU |
| RoHS: | Lintlha |
| Letoto: | Setšoantšo sa STM32L451RE |
| Mounting Style: | SMD/SMT |
| Sephutheloana / Taba: | CSP-64 |
| Koko: | ARM Cortex M4 |
| Boholo ba Memori ea Lenaneo: | 512 kB |
| Bophara ba Bese ea Data: | 32 hanyane |
| Qeto ea ADC: | 12 hanyane |
| Boholo ba Nako ea Oache: | 80 MHz |
| Nomoro ea li-I/Os: | 52 I/O |
| Boholo ba RAM ea data: | 160 kB |
| Supply Voltage - Min: | 1.71 V |
| Supply Voltage - Max: | 3.6 V |
| Mocheso o fokolang oa ho sebetsa: | - 40 C |
| Boholo ba Thempereichara ea Tšebetso: | + 85 C |
| Sephutheloana: | Reel |
| Sephutheloana: | Khaola Theipi |
| Lebitso: | STMicroelectronics |
| Qeto ea DAC: | 12 hanyane |
| Mofuta oa RAM ea data: | SRAM |
| Mofuta oa Sehokelo: | CAN, I2C, LPUART, SAI, SPI, UART |
| Palo ea Likanale tsa ADC: | 16 Channel |
| Nomoro ea Linako/Libali: | 11 Sebali sa nako |
| Sehlahisoa: | MCU+FPU |
| Mofuta oa Sehlahisoa: | ARM Microcontrollers - MCU |
| Mofuta oa Memori ea Lenaneo: | Khanya |
| Bongata ba Pakete ea Feme: | 5000 |
| Sehlopha-potlana: | Li-microcontrollers - MCU |
| Lebitso la khoebo: | STM32 |
| Linako tsa ho shebella: | Watchdog Timer, Windowed |
| Boima ba Yuniti: | 0.000526 oz |
♠ Arm® Cortex®-M4 32-bit MCU+FPU ea matla a tlase haholo, 100DMIPS, ho fihla ho 512KB Flash, 160KB SRAM, analoge, molumo
Lisebelisoa tsa STM32L451xx ke li-microcontrollers tse tlase-tlase tse thehiloeng holim'a Arm® Cortex®-M4 32-bit RISC core e sebetsang ka sekhahla ho fihlela ho 80 MHz.Cortex-M4 ea mantlha e na le yuniti ea Floating point (FPU) e nepahetseng e le 'ngoe e ts'ehetsang litaelo tsohle tsa Arm® tse nepahetseng tsa ts'ebetso ea data le mefuta ea data.E boetse e sebelisa sete e felletseng ea litaelo tsa DSP le yuniti ea ts'ireletso ea memori (MPU) e matlafatsang ts'ireletso ea ts'ebeliso.
Lisebelisoa tsa STM32L451xx li kentse mehopolo ea lebelo le holimo (Flash memory ho fihla ho 512 Kbyte, 160 Kbyte ea SRAM), sebopeho sa Quad SPI Flash memory (e fumanehang liphutheloana tsohle) le mefuta e mengata e fapaneng ea li-I/O tse ntlafalitsoeng le lisebelisoa tse hokahaneng le libese tse peli tsa APB. , libese tse peli tsa AHB le matrix a 32-bit a mangata a AHB.
Lisebelisoa tsa STM32L451xx li kentse mekhoa e mengata ea ts'ireletso bakeng sa memori ea Flash e kentsoeng le SRAM: ts'ireletso ea ho bala, tšireletso ea ho ngola, ts'ireletso ea ho bala khoutu le Firewall.
Lisebelisoa li fana ka lebelo la 12-bit ADC (5 Msps), libapiso tse peli, amplifier e le 'ngoe ea ts'ebetso, mocha o le mong oa DAC, buffer ea ka hare ea motlakase, RTC ea matla a tlaase, nako e le' ngoe ea 32-bit, e le 'ngoe ea 16-bit. Sebali sa nako sa PWM se inehetseng ho taolo ea makoloi, li-timers tse 'ne tsa sepheo se akaretsang sa 16-bit, le lisebelisoa tse peli tsa nako e tlase tsa 16-bit.
Ho feta moo, ho na le likanale tse fihlang ho 21 tsa capacitive sensing.
Li boetse li na le marang-rang a tloaelehileng le a tsoetseng pele a puisano, e leng li-I2C tse 'nè, li-SPI tse tharo, li-USART tse tharo, UART e le' ngoe le UART e le 'ngoe ea Low-Power UART, SAI e le' ngoe, SDMMC e le 'ngoe, e le' ngoe ea CAN.
STM32L451xx e sebetsa ho -40 ho +85 °C (+105 °C junction) le -40 ho +125 °C (+130 °C junction) mocheso ho tloha ho 1.71 ho ea ho 3.6 V phepelo ea motlakase.Sete e felletseng ea mekhoa ea ho boloka matla e etsa hore ho khonehe moralo oa lits'ebetso tsa matla a tlase.
Lisebelisoa tse ling tse ikemetseng tsa motlakase lia tšehetsoa: phepelo e ikemetseng ea analog bakeng sa ADC, DAC, OPAMP le comparator.Kenyelletso ea VBAT e etsa hore ho khonehe ho boloka RTC le lirejistara tsa bekapo.
Lelapa la STM32L451xx le fana ka liphutheloana tse tšeletseng ho tloha ho liphutheloana tse 48 ho isa ho tse 100.
• Matla a tlase haholo ka FlexPowerControl
- 1.71 V ho 3.6 V phepelo ea matla
-40 °C ho isa ho 85/125 °C mefuta e fapaneng ea mocheso
- 145 nA ka mokhoa oa VBAT: phepelo ea RTC le li-backups tsa 32×32-bit
- 22 nA Shutdown mode (lithako tse 5 tsa ho tsoha)
- 106 nA Boemo ba ho ema (lithako tse 5 tsa ho tsoha)
– 375 nA Boemo ba standby ka RTC
- 2.05 µA Stop 2 mode, 2.40 µA e nang le RTC
- 84 µA/MHz mokhoa oa ho sebetsa
- Mokhoa oa ho fumana batch (BAM)
- 4 µs ho tsoha ho tsoa ho Stop mode
- Brown out reset (BOR)
- Interconnect matrix
• Core: Arm® 32-bit Cortex®-M4 CPU e nang le FPU, Adaptive real-time accelerator (ART Accelerator™) e lumellang ts'ebetso ea boemo ba 0 ho tloha mohopolong oa Flash, khafetsa ho fihla ho 80 MHz, MPU, 100DMIPS le litaelo tsa DSP
• Palo ea tšebetso
- 1.25 DMIPS/MHz (Drystone 2.1)
– 273.55 CoreMark® (3.42 CoreMark/MHz @ 80 MHz)
• Benchmark ea matla
– 335 ULPMark™ CP lintlha
– 104 ULPMark™ lintlha tsa PP
• Mehloli ea Oache
- 4 ho 48 MHz kristale oscillator
- 32 kHz kristale oscillator bakeng sa RTC (LSE)
- Ka hare 16 MHz fektheri e khaotsoeng RC (± 1%)
- Matla a tlase a ka hare 32 kHz RC (± 5%)
- Oscillator ea ka hare e nang le mabelo a mangata a 100 kHz ho isa ho 48 MHz, e itlhoekisang ka boits'oaro ke LSE (e betere ho feta ± 0.25 % ho nepahala)
- Ka hare 48 MHz ka ho hlaphoheloa ha nako
- 2 PLLs bakeng sa oache ea sistimi, molumo, ADC
• Ho fihla ho li-I/O tsa 83 tse potlakileng, tse ngata tse 5 tse mamellang V
• RTC e nang le almanaka ea HW, lialamo le litekanyo
• Ho fihla ho likanale tse 21 tsa capacitive: li-touchkey tse tšehetsang, linear le lisensara tsa rotary touch.
• 12x timers: 1x 16-bit e tsoetseng pele ea motor-control, 1x 32-bit le 3x 16-bit morero o akaretsang, 2x 16- bit basic, 2x low-power 16-bit timer (e fumaneha ka Stop mode), 2x watchdogs, SysTick sebali-nako
• Mehopolo
- Ho fihla ho 512 KB banka e le 'ngoe ea Flash, ts'ireletso ea ho bala khoutu ea thepa
- 160 KB ea SRAM ho kenyeletsoa 32 KB e nang le tlhahlobo ea parity ea hardware
- Sebopeho sa memori ea Quad SPI
• Li-peripherals tse ngata tsa analoge (phepelo e ikemetseng)
- 1x 12-bit ADC 5 Msps, ho fihla ho 16-bit e nang le oversampling ea hardware, 200 µA/Msps
- 1x 12-bit likanale tsa tlhahiso ea DAC, sampole ea matla a tlase le ho ts'oara
- 1x amplifier ea ts'ebetso e nang le PGA e hahiloeng
- 2x lipapiso tsa matla a tlase haholo
- Phallo e nepahetseng ea 2.5 V kapa 2.048 V e buffered
• 16x likhokahano tsa puisano
- 1x SAI (sebopeho sa audio sa serial)
– 4x I2C FM+(1 Mbit/s), SMBus/PMBus
- 3x UARTs (ISO 7816, LIN, IrDA, modem)
- 1x UART (LIN, IrDA, modem)
- 1x LPUART (Emisa ho tsoha ha 2)
- 3x SPIs (le 1x Quad SPI)
– CAN (2.0B Active) le SDMMC segokanyimmediamentsi sa sebolokigolo
- IRTIM (sebopeho sa infrared)
• 14-channel DMA molaoli
• Jenereithara ea nomoro ea 'nete e sa reroang
• Yuniti ea lipalo ea CRC, ID e ikhethang ea 96-bit
• Tšehetso ea ntlafatso: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
