STM32L451REY6TR ARM Microcontrollers – MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes ti Flash, DFSDM
♠ Apejuwe ọja
| Irisi ọja | Ifilelẹ Ifarahan |
| Olupese: | STMicroelectronics |
| Ẹka Ọja: | ARM Microcontrollers - MCU |
| RoHS: | Awọn alaye |
| jara: | STM32L451RE |
| Iṣagbesori ara: | SMD/SMT |
| Apo / Apo: | CSP-64 |
| Kókó: | ARM kotesi M4 |
| Iwọn Iranti Eto: | 512 kB |
| Ìbú Data akero: | 32 die-die |
| Ipinnu ADC: | 12 die-die |
| Igbohunsafẹfẹ Aago ti o pọju: | 80 MHz |
| Nọmba I/Os: | 52 I/O |
| Iwọn Ramu data: | 160 kB |
| Foliteji Ipese - Min: | 1.71 V |
| Foliteji Ipese - O pọju: | 3.6 V |
| Iwọn Iṣiṣẹ ti o kere julọ: | -40 C |
| Iwọn Iṣiṣẹ ti o pọju: | + 85 C |
| Iṣakojọpọ: | Reli |
| Iṣakojọpọ: | Teepu Ge |
| Brand: | STMicroelectronics |
| Ipinnu DAC: | 12 die-die |
| Iru RAM data: | SRAM |
| Irú Ayélujára: | CAN, I2C, LPUART, SAI, SPI, UART |
| Nọmba awọn ikanni ADC: | 16 ikanni |
| Nọmba ti Awọn Aago/Ojuwọn: | 11 Aago |
| Ọja: | MCU+FPU |
| Iru ọja: | ARM Microcontrollers - MCU |
| Iru Iranti Eto: | Filaṣi |
| Opoiye Pack Factory: | 5000 |
| Ẹka: | Microcontrollers - MCU |
| Orukọ iṣowo: | STM32 |
| Awọn aago Aago: | Watchdog Aago, Windowed |
| Iwọn Ẹyọ: | 0,000526 iwon |
♠ Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, to 512KB Filaṣi, 160KB SRAM, afọwọṣe, ohun
Awọn ẹrọ STM32L451xx jẹ awọn oluṣakoso microcontroller-kekere ti o da lori iṣẹ giga Arm® Cortex®-M4 32-bit RISC mojuto ti n ṣiṣẹ ni igbohunsafẹfẹ ti o to 80 MHz. Cortex-M4 mojuto n ṣe ẹya kan pato aaye Lilefoofo (FPU) ti o ṣe atilẹyin fun gbogbo Arm® data-itọka-itọka awọn ilana ati awọn iru data. O tun ṣe eto kikun ti awọn ilana DSP ati ẹyọ aabo iranti (MPU) eyiti o mu aabo ohun elo pọ si.
STM32L451xx awọn ẹrọ ifibọ ga-iyara ìrántí (Flash iranti soke 512 Kbyte, 160 Kbyte of SRAM), a Quad SPI Flash ìrántí ni wiwo (wa lori gbogbo jo) ati awọn ẹya sanlalu ibiti o ti ti mu dara si I / Os ati awọn pẹẹpẹẹpẹ ti a ti sopọ si meji APB akero, a multi-AH32 buses.
Awọn ẹrọ STM32L451xx ṣe ọpọlọpọ awọn ọna aabo fun iranti Flash ifibọ ati SRAM: Idaabobo kika, kikọ aabo, aabo koodu kika ohun-ini ati ogiriina.
Awọn ẹrọ naa nfunni ni iyara 12-bit ADC (5 Msps), awọn afiwera meji, ampilifaya iṣiṣẹ kan, ikanni DAC kan, ifipamọ itọkasi foliteji ti inu, RTC agbara-kekere kan, aago 32-bit gbogbogbo-idi kan, akoko 16-bit PWM ti a yasọtọ si iṣakoso mọto, idi gbogbogbo mẹrin-idi 16-bit awọn akoko, ati awọn akoko 16-bit kekere.
Ni afikun, to awọn ikanni oye agbara 21 wa.
Wọn tun ṣe ẹya boṣewa ati awọn atọkun ibaraẹnisọrọ to ti ni ilọsiwaju, eyun I2C mẹrin, SPI mẹta, USARTs mẹta, UART kan ati UART Low-Power kan, SAI kan, SDMMC kan, CAN kan.
STM32L451xx n ṣiṣẹ ni -40 si +85 °C (+105 °C junction) ati -40 si +125 °C (+130 °C junction) awọn sakani iwọn otutu lati 1.71 si 3.6 V ipese agbara. Eto pipe ti awọn ipo fifipamọ agbara jẹ ki o ṣee ṣe apẹrẹ awọn ohun elo agbara kekere.
Diẹ ninu awọn ipese agbara ominira ni atilẹyin: igbewọle ipese ominira afọwọṣe fun ADC, DAC, OPAMP ati awọn afiwera. A VBAT input mu ki o ṣee ṣe lati ṣe afẹyinti awọn RTC ati awọn iforukọsilẹ afẹyinti.
Idile STM32L451xx nfunni ni awọn idii mẹfa lati awọn idii 48 si 100-pin.
• Ultra-kekere-agbara pẹlu FlexPowerControl
– 1,71 V to 3,6 V ipese agbara
– -40 °C to 85/125 °C otutu ibiti o
- 145 nA ni ipo VBAT: ipese fun RTC ati awọn iforukọsilẹ afẹyinti 32 × 32-bit
- Ipo pipade 22 nA (awọn pinni ji dide 5)
- Ipo imurasilẹ 106 nA (awọn pinni ji dide 5)
– 375 nA Imurasilẹ mode pẹlu RTC
- 2.05 µA Duro 2 ipo, 2.40 µA pẹlu RTC
- Ipo ṣiṣe 84 µA/MHz
- Ipo imudani ipele (BAM)
- 4 µs ji lati Ipo Duro
– Brown jade atunto (BOR)
– Interconnect matrix
• Core: Arm® 32-bit Cortex®-M4 Sipiyu pẹlu FPU, ohun imuyara akoko gidi Adaptive (ART Accelerator™) gbigba ipaniyan 0-iduro-ipinle lati iranti Flash, igbohunsafẹfẹ to 80 MHz, MPU, 100DMIPS ati awọn ilana DSP
Aṣepari iṣẹ
– 1.25 DMIPS/MHz (Drystone 2.1)
– 273.55 CoreMark® (3.42 CoreMark/MHz @ 80 MHz)
• Agbara ala
– 335 ULPMark™ CP Dimegilio
– 104 ULPMark™ PP Dimegilio
• Awọn orisun aago
– 4 to 48 MHz gara oscillator
- 32 kHz oscillator gara fun RTC (LSE)
– Ti inu ile-iṣẹ 16 MHz ti a ge RC (± 1%)
- Agbara kekere inu 32 kHz RC (± 5%)
- Iyara pupọ ti inu 100 kHz si 48 MHz oscillator, ti a ṣe gige-laifọwọyi nipasẹ LSE (dara ju ± 0.25% deede)
- 48 MHz ti inu pẹlu imularada aago
- 2 PLLs fun aago eto, ohun, ADC
• Up to 83 sare Mo / awọn, julọ 5 V-ọlọdun
• RTC pẹlu HW kalẹnda, awọn itaniji ati odiwọn
Titi di awọn ikanni oye agbara 21: atilẹyin bọtini ifọwọkan, laini ati awọn sensọ ifọwọkan iyipo
• Awọn aago 12x: 1x 16-bit to ti ni ilọsiwaju motor-Iṣakoso, 1x 32-bit ati 3x 16-bit idi gbogbogbo, 2x 16-bit ipilẹ, 2x agbara kekere 16-bit (wa ni ipo Duro), 2x watchdogs, SysTick aago
• Awọn iranti
- Titi di 512 KB Filaṣi banki ẹyọkan, aabo kika koodu ohun-ini
- 160 KB ti SRAM pẹlu 32 KB pẹlu sọwedowo ni ibamu hardware
- Quad SPI iranti ni wiwo
• Awọn agbeegbe afọwọṣe ọlọrọ (ipese ominira)
- 1x 12-bit ADC 5 Msps, to 16-bit pẹlu apọju ohun elo, 200 µA/Msps
- Awọn ikanni iṣelọpọ DAC 1x 12-bit, apẹẹrẹ agbara kekere ati idaduro
- Ampilifaya iṣẹ 1x pẹlu PGA ti a ṣe sinu
– 2x olekenka-kekere-agbara comparators
– Deede 2,5 V tabi 2,048 V itọkasi foliteji buffered o wu
• 16x ibaraẹnisọrọ atọkun
- 1x SAI (ni wiwo ohun afetigbọ ni tẹlentẹle)
- 4x I2C FM + (1 Mbit / s), SMBus / PMBus
- 3x USARTs (ISO 7816, LIN, IrDA, modẹmu)
- 1x UART (LIN, IrDA, modẹmu)
- 1x LPUART (Duro 2 dide)
- Awọn SPI 3x (ati 1x Quad SPI)
- CAN (2.0B Nṣiṣẹ) ati wiwo SDMMC
- IRTIM (ni wiwo infurarẹẹdi)
• 14-ikanni DMA adarí
• True ID nọmba monomono
• CRC iṣiro kuro, 96-bit oto ID
• Atilẹyin idagbasoke: yokokoro waya ni tẹlentẹle (SWD), JTAG, Ti a fi sii Trace Macrocell™
