STM32L451RET6TR
Microcontrollers (MCU/MPU)
Technical Specifications
| Type | Description |
|---|---|
| Core Processor | ARM Cortex-M4 |
| Core Size | 32 bit |
| Maximum Clock Speed | 80 MHz |
| Program Storage Size | 512 KB |
| Number of I/O | 52 |
| Flash Type | FLASH |
| ADC (Bit) | 12 bit |
| Type | Description |
|---|---|
| Oscillator Type | Built-in |
| EEPROM | - |
| DAC (Bit) | 12 bit |
| Operating Temperature | -40°C~+85°C |
| Supply Voltage | 1.71V~3.6V |
| Package / Case | LQFP-64(10x10) |
Product Introduction
Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, up to 512KB Flash, 160KB SRAM, with analog and audio features
Features
- Ultra-low-power with FlexPowerControl
- 1.71 V to 3.6 V power supply
- 40 °C to 85/125 °C temperature range
- 145 nA in VBAT mode: supply for RTC and 32x32-bit backup registers
- 22 nA Shutdown mode (5 wakeup pins)
- 106 nA Standby mode (5 wakeup pins)
- 375 nA Standby mode with RTC
- 2.05 μA Stop 2 mode, 2.40 μA with RTC
- 84 μA/MHz run mode Batch acquisition mode (BAM)
- 4 μs wakeup from Stop mode
- Brown out reset (BOR)
- Interconnect matrix
- Core: Arm 32-bit Cortex-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) allowing 0-wait-state execution from Flash memory, frequency up to 80 MHz, MPU, 100DMIPS and DSP instructions
- Performance benchmark
- 1.25 DMIPS/MHz (Drystone 2.1)
- 273.55 CoreMark (3.42 CoreMark/MHz @ 80 MHz)
- Energy benchmark
- 335 ULPMark CP score
- 104 ULPMark PP score
- Clock Sources
- 4 to 48 MHz crystal oscillator
- 32 kHz crystal oscillator for RTC (LSE)
- Internal 16 MHz factory-trimmed RC (±1%)
- Internal low-power 32 kHz RC (±5%)
- Internal multispeed 100 kHz to 48 MHz oscillator, auto-trimmed by LSE (better than ±0.25% accuracy)
- Internal 48 MHz with clock recovery
- 2 PLLs for system clock, audio, ADC
- Up to 83 fast I/Os, most 5 V-tolerant
- RTC with HW calendar, alarms and calibration
- Up to 21 capacitive sensing channels: support touchkey, linear and rotary touch sensors
- 12x timers: 1x16-bit advanced motor-control, 1x32-bit and 3x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer
- Memories
- Up to 512 KB single bank Flash, proprietary code readout protection
- 160 KB of SRAM including 32 KB with hardware parity check
- Quad SPI memory interface
- Rich analog peripherals (independent supply)
- 1x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 μA/Msps
- 1x 12-bit DAC output channels, low-power sample and hold
- 1x operational amplifier with built-in PGA
- 2x ultra-low-power comparators
- Accurate 2.5 V or 2.048 V reference voltage buffered output
- 16x communication interfaces
- 1x SAI (serial audio interface)
- 4x I²C FM+(1 Mbit/s), SMBus/PMBus
- 3x USARTs (ISO 7816, LIN, IrDA, modem)
- 1x UART (LIN, IrDA, modem)
- 1x LPUART (Stop 2 wake-up)
- 3x SPIs (and 1x Quad SPI)
- CAN (2.0B Active) and SDMMC interface
- IRTIM (Infrared interface)
- 14-channel DMA controller
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell
- All packages are ECOPACK2 compliant
Datasheet
Alternative Parts
Common STM32L451RET6TR alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | 3A991A2 |
| Type | Details |
|---|---|
| CNHTS | 8542319090 |
Sourcing Information
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