STM32L451REY6TR ARM Microcontrollers – MCU Ultra-maualalo-malosi FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes o Flash, DFSDM
♠ Faʻamatalaga o oloa
| Uiga Oloa | Uiga Taua |
| Tufuga: | STMicroelectronics |
| Vaega o oloa: | ARM Microcontrollers - MCU |
| RoHS: | Fa'amatalaga |
| Fa'asologa: | STM32L451RE |
| Tulaga fa'apipi'i: | SMD/SMT |
| Paket/Mata: | CSP-64 |
| Autu: | ARM Cortex M4 |
| Tele o mea e manatua polokalame: | 512 kB |
| Fa'amatalaga Pasi Lautele: | 32 bit |
| I'uga o le ADC: | 12 bit |
| Maualuluga o le Uati Faatele: | 80 MHz |
| Numera o I/Os: | 52 I/O |
| Fa'amatalaga RAM Tele: | 160 kB |
| Sapalai Voltage - Min: | 1.71 V |
| Sapalai Malosi - Max: | 3.6 V |
| La'ititi ole Vevela ole Gaioiina: | - 40C |
| Maualuluga Fa'agaioiga Vevela: | + 85 C |
| afifiina: | Reel |
| afifiina: | Oti le lipine |
| Fa'ailoga: | STMicroelectronics |
| I'uga ole DAC: | 12 bit |
| Ituaiga RAM fa'amaumauga: | SRAM |
| Ituaiga Fa'amatalaga: | CAN, I2C, LPUART, SAI, SPI, UART |
| Numera o alavai ADC: | 16 Alavai |
| Numera o Timers/Cocounters: | 11 Taimi |
| Oloa: | MCU+FPU |
| Ituaiga oloa: | ARM Microcontrollers - MCU |
| Ituaiga Manatu Polokalama: | moli |
| Aofaiga o pusa falegaosimea: | 5000 |
| Vaega laiti: | Microcontrollers - MCU |
| igoa Fefa'ataua'iga: | STM32 |
| Watchdog Timers: | Watchdog Timer, Fa'amalama |
| Unit mamafa: | 0.000526 oz |
♠ Ultra-maualalo-malo Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, e oo atu i le 512KB Flash, 160KB SRAM, analog, leo
O masini STM32L451xx o microcontrollers e sili ona maualalo le malosi e faʻavae i luga o le maualuga o le Arm® Cortex®-M4 32-bit RISC autu o loʻo faʻaogaina i se taimi e oʻo atu i le 80 MHz.O le Cortex-M4 autu o loʻo faʻaalia ai le Floating point unit (FPU) e tasi le saʻo e lagolagoina uma Arm® faʻatonuga faʻasologa o faʻamatalaga ma ituaiga faʻamaumauga.O lo'o fa'atinoina fo'i se seti atoa o fa'atonuga a le DSP ma se vaega o le puipuiga o le manatua (MPU) lea e fa'aleleia ai le saogalemu o talosaga.
O masini STM32L451xx e fa'apipi'i ai manatuaga maualuga (Flash memory up to 512 Kbyte, 160 Kbyte of SRAM), se Quad SPI Flash memory interface (maua i luga o afifi uma) ma le tele o fa'aleleia I/Os ma peripherals e feso'ota'i i pasi APB e lua , lua pasi AHB ma le 32-bit multi-AHB pasi matrix.
O masini STM32L451xx o lo'o fa'apipi'iina ai le tele o puipuiga mo le fa'apipi'iina o le Flash memory ma le SRAM: puipuiga o le faitau tusi, puipuiga o le tusitusi, puipuiga o le faitau tusi ma le Pa puipui.
O masini e ofoina atu le vave 12-bit ADC (5 Msps), lua faʻatusatusaga, tasi faʻamalosi faʻamalositino, tasi DAC alavai, faʻamalo eletise faʻamaufaʻailoga i totonu, se RTC maualalo, tasi faʻamoemoe lautele 32-bit timer, tasi 16-bit PWM taimi fa'apitoa mo le fa'atonutonuina o afi, fa fa'amoemoe lautele 16-bit timers, ma lua 16-bit fa'amaumau-maualalo taimi.
E le gata i lea, e oʻo atu i le 21 capacitive sensing channel o loʻo avanoa.
Latou te faʻaalia foʻi fesoʻotaʻiga masani ma fesoʻotaʻiga, e fa I2Cs, tolu SPI, tolu USARTs, tasi UART ma le tasi Low-Power UART, tasi SAI, tasi SDMMC, tasi CAN.
O le STM32L451xx o loʻo galue i le -40 i le +85 °C (+105 °C junction) ma le -40 i le +125 °C (+ 130 °C junction) o le vevela mai le 1.71 i le 3.6 V eletise.O se seti atoatoa o auala fa'asao eletise e mafai ai le mamanu o talosaga maualalo-malosi.
O nisi o sapalai eletise tuto'atasi e lagolagoina: fa'aoga tuto'atasi tuto'atasi mo ADC, DAC, OPAMP ma fa'atusa.O le VBAT fa'aoga e mafai ai ona fa'asaoina le RTC ma fa'amaumauga fa'amaumauga.
O le aiga STM32L451xx e ofoina atu pusa e ono mai le 48 i le 100-pin afifi.
• Tele-maualalo-malosi ma FlexPowerControl
– 1.71 V i le 3.6 V eletise sapalai
– -40 °C i le 85/125 °C le maualuga o le vevela
- 145 nA ile VBAT mode: sapalai mo RTC ma 32x32-bit tusi resitala
– 22 nA Faiga tapuni (5 pine fafagu)
– 106 nA Siisii tulaga (5 fafagu pine)
– 375 nA Fa'atonu tulaga fa'atasi ma le RTC
– 2.05 μA Taofi 2 faiga, 2.40 μA ma le RTC
– 84 µA/MHz faiga tamo'e
- Faiga o le mauaina o vaega (BAM)
– 4 µs fafagu mai le faiga Taofi
- Toe fa'afo'i lanu enaena (BOR)
– Feso'ota'i matrix
• Autu: Arm® 32-bit Cortex®-M4 CPU ma le FPU, Adaptive real-time accelerator (ART Accelerator ™) faʻatagaina le 0-faʻatali-setete faʻataunuʻuina mai le Flash memory, faʻasolosolo e oʻo atu i le 80 MHz, MPU, 100DMIPS ma faatonuga DSP
• Fa'ailoga fa'atinoga
– 1.25 DMIPS/MHz (Ma'a Matutu 2.1)
– 273.55 CoreMark® (3.42 CoreMark/MHz @ 80 MHz)
• Fa'ailoga malosi
– 335 sikoa ULPMark™ CP
– 104 ULPMark™ PP sikoa
• Punavai o le Uati
– 4 i le 48 MHz oscillator tioata
- 32 kHz tioata tioata mo RTC (LSE)
– I totonu 16 MHz falegaosimea-teu RC (±1%)
– Malosi maualalo maualalo 32 kHz RC (±5%)
– Saosaoa tele i totonu 100 kHz i le 48 MHz oscillator, fa'apipi'iina e le LSE (sili atu i le ±0.25 % le sa'o)
- I totonu 48 MHz ma le toe faʻaleleia o le uati
– 2 PLLs mo faiga uati, leo, ADC
• E oo atu i le 83 vave I/Os, sili atu i le 5 V-faapalepale
• RTC ma HW kalena, fa'ailo ma fa'avasegaina
• E o'o atu i le 21 alavai fa'alogoga fa'amalosi: lagolago ki pa'i, laina fa'asolo ma fa'ata'amilo
• 12x timers: 1x 16-bit advanced motor-control, 1x 32-bit ma le 3x 16-bit fa'amoemoega lautele, 2x 16-bit basic, 2x low-power 16-bit timers (avanoa ile Stop mode), 2x watchdogs, SysTick taimi
• Faamanatuga
- E oʻo atu i le 512 KB flash bank tasi, puipuiga o le faitau tusi faʻapitoa
- 160 KB o le SRAM e aofia ai le 32 KB faʻatasi ai ma le siakiina o meafaigaluega
- Quad SPI mea e manatua ai
• Mau'oa fa'aigoa fa'aigoa (sapalai tuto'atasi)
– 1x 12-bit ADC 5 Msps, e oʻo atu i le 16-bit faʻatasi ai ma meafaigaluega faʻapipiʻi, 200 μA/Msps
- 1x 12-bit DAC alavai, faʻataʻitaʻiga maualalo ma taofi
- 1x faʻamalosi faʻamalosi faʻatasi ma PGA faʻapipiʻiina
- 2x faʻatusatusaga sili ona maualalo-malosi
– Sa'o 2.5 V po'o le 2.048 V fa'asinoga voltage fa'apipi'i galuega
• 16x feso'ota'iga feso'ota'iga
- 1x SAI (fa'asologa fa'alogo leo)
– 4x I2C FM+(1 Mbit/s), SMBus/PMBus
– 3x USARTs (ISO 7816, LIN, IrDA, modem)
– 1x UART (LIN, IrDA, modem)
– 1x LPUART (Taofi 2 fafagu)
- 3x SPI (ma le 1x Quad SPI)
– CAN (2.0B Active) ma le SDMMC interface
- IRTIM (Atafa'i Infrared)
• 14-auala DMA pule
• Fa'atupu numera fa'afuase'i moni
• CRC fua fa'atatau, ID tulaga ese 96-bit
• Lagolago atinae: debug uaea serial (SWD), JTAG, Embedded Trace Macrocell™
