STM32L412C8U6 ARM Microcontrollers – MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB
♠ Tlhaloso ea Sehlahisoa
| Sehlahisoa Tšobotsi | Boleng ba Tšobotsi |
| Moetsi: | STMicroelectronics |
| Sehlopha sa Sehlahisoa: | ARM Microcontrollers - MCU |
| RoHS: | Lintlha |
| Letoto: | Setšoantšo sa STM32L412C8 |
| Mounting Style: | SMD/SMT |
| Sephutheloana / Taba: | QFN-48 |
| Koko: | ARM Cortex M4 |
| Boholo ba Memori ea Lenaneo: | 64kb |
| Bophara ba Bese ea Data: | 32 hanyane |
| Qeto ea ADC: | 2x12 koto |
| Boholo ba Nako ea Oache: | 80 MHz |
| Nomoro ea li-I/Os: | 38 I/O |
| Boholo ba RAM ea data: | 40 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: | Terei |
| Analog Supply Voltage: | 1.62 V ho ea ho 3,6 V |
| Lebitso: | STMicroelectronics |
| Mofuta oa RAM ea data: | SRAM |
| Mofuta oa Sehokelo: | I2C, SPI, UART, UART, USB |
| Ha e Mamelle Mongobo: | Ee |
| Palo ea Likanale tsa ADC: | 12 Channel |
| Sehlahisoa: | MCU+FPU |
| Mofuta oa Sehlahisoa: | ARM Microcontrollers - MCU |
| Mofuta oa Memori ea Lenaneo: | Khanya |
| Bongata ba Pakete ea Feme: | 1560 |
| Sehlopha-potlana: | Li-microcontrollers - MCU |
| Lebitso la khoebo: | STM32 |
| Linako tsa ho shebella: | Watchdog Timer, Windowed |
| Boima ba Yuniti: | 0.003517 oz |
♠ Arm® Cortex®-M4 32-bit MCU+FPU ea matla a tlase haholo, 100DMIPS, ho fihla ho 128KB Flash, 40KB SRAM, analoge, ext.SMPS
Lisebelisoa tsa STM32L412xx ke li-microcontrollers tse tlase-tlase tse thehiloeng holim'a ts'ebetso e phahameng ea Arm® Cortex®-M4 32-bit RISC core e sebetsang hangata ho fihla 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 STM32L412xx li kentse mehopolo ea lebelo le holimo (Flash memory ho fihla ho 128 Kbyte, 40 Kbyte ea SRAM), interface ea Quad SPI Flash memory interface (e fumanehang liphutheloana tsohle) le mefuta e mengata e fapaneng ea li-I/O tse ntlafalitsoeng le li-peripheral tse hokahaneng le libese tse peli tsa APB. , libese tse peli tsa AHB le matrix a 32-bit a mangata a AHB.
Lisebelisoa tsa STM32L412xx li kentse mekhoa e mengata ea tšireletso bakeng sa memori ea Flash e kentsoeng le SRAM: tšireletso ea ho bala, tšireletso ea ho ngola, tšireletso ea ho bala khoutu ea thepa le Firewall.
Lisebelisoa li fana ka li-ADC tse peli tse potlakileng tsa 12-bit ADC (5 Msps), libapiso tse peli, amplifier e le 'ngoe e sebetsang, RTC e nang le matla a tlaase, nako e le 'ngoe ea 32-bit, timer e le' ngoe ea 16-bit PWM e inehetseng ho laola likoloi, tse 'nè ka kakaretso- sepheo sa li-timers tsa 16-bit, le li-timers tse peli tsa 16-bit tse nang le matla a tlase.
Ntle le moo, ho na le likanale tse fihlang ho tse 12 tsa capacitive.
Li boetse li na le li-interfaces tse tloaelehileng le tse tsoetseng pele tsa puisano, e leng li-I2C tse tharo, li-SPI tse peli, li-USART tse tharo le UART e le 'ngoe ea Matla a Tlase, sesebelisoa se le seng sa USB se nang le lebelo le tletseng ka kristale.
STM32L412xx 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 VDD ea matla a VDD ha u sebelisa molaoli oa ka hare oa LDO. le phepelo ea motlakase ea 1.00 ho isa ho 1.32V VDD12 ha u sebelisa phepelo ea kantle ea SMPS.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, OPAMP le comparator.Kenyelletso ea VBAT e etsa hore ho khonehe ho boloka RTC le lirejistara tsa bekapo.Lisebelisoa tsa motlakase tsa VDD12 tse inehetseng li ka sebelisoa ho feta taolo ea kahare ea LDO ha e hokahantsoe le SMPS ea kantle.
Lelapa la STM32L412xx le fana ka liphutheloana tse tšeletseng ho tloha ho liphutheloana tse 32 ho isa ho tse 64.
• 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
- 300 nA ka mokhoa oa VBAT: phepelo ea RTC le li-backups tsa 32×32-bit
- 16 nA Shutdown mode (lithako tse 4 tsa ho tsoha)
- 32 nA Standby mode (lithako tse 4 tsa ho tsoha)
– 245 nA Boemo ba standby ka RTC
- 0.7 µA Stop 2 mode, 0.95 µA e nang le RTC
- 79 µA/MHz mokhoa oa ho matha (Mokhoa oa LDO)
– 28 μA/MHz ho matha mode (@3.3 V SMPS Mode)
- 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
– 442 ULPMark-CP®
– 165 ULPMark-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
- PLL bakeng sa oache ea sistimi
• Ho fihla ho li-I/O tse 52 tse potlakileng, tse ngata tse 5 tse mamellang V
• RTC e nang le almanaka ea HW, lialamo le litekanyo
• Ho fihla ho likanale tse 12 tse nang le matla a ho utloa: li-touchkey tse tšehetsang, linear le lisensara tsa rotary touch.
• 10x timers: 1x 16-bit e tsoetseng pele ea motor-control, 1x 32-bit le 2x 16-bit morero o akaretsang, 1x 16- bit basic, 2x low-power 16-bit timer (e fumaneha ka Stop mode), 2x watchdogs, SysTick sebali-nako
• Mehopolo
- 128 KB banka e le 'ngoe Flash, ts'ireletso ea ho bala khoutu ea thepa
- 40 KB ea SRAM ho kenyeletsoa 8 KB e nang le tlhahlobo ea parity ea hardware
- Sehokelo sa memori sa Quad SPI se nang le bokhoni ba XIP
• Li-peripherals tse ngata tsa analoge (phepelo e ikemetseng)
- 2x 12-bit ADC 5 Msps, ho fihla ho 16-bit e nang le lisebelisoa tse ngata, 200 µA/Msps
- Li-amplifiers tse 2x tse sebetsang tse nang le PGA e hahiloeng
- 1x papiso ea matla a tlase haholo
- Phallo e nepahetseng ea 2.5 V kapa 2.048 V e buffered
• 12x likhokahano tsa puisano
- USB 2.0 tharollo e fokolang ea kristale e potlakileng ka LPM le BCD
- 3x I2C FM+(1 Mbit/s), SMBus/PMBus
- 3x UARTs (ISO 7816, LIN, IrDA, modem)
- 1x LPUART (Emisa ho tsoha ha 2)
- 2x SPIs (le 1x Quad SPI)
- 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™
