STM32L4R7AIT3PTR中文资料意法半导体数据手册PDF规格书

特性 Features

• Ultra-low-power with FlexPowerControl

– 1.71 V to 3.6 V power supply

– -40 °C to 85/125 °C temperature range

– Batch acquisition mode (BAM)

– 305 nA in VBAT mode: supply for RTC and 32x32-bit backup registers

– 33 nA Shutdown mode (5 wakeup pins)

– 125 nA Standby mode (5 wakeup pins)

– 420 nA Standby mode with RTC

– 2.8 μA Stop 2 with RTC

– 110 μA/MHz Run mode (LDO mode)

– 43 μA/MHz Run mode (@ 3.3 V SMPS mode)

– 5 μs wakeup from Stop mode

– Brownout reset (BOR) in all modes except shutdown

– 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 120 MHz, MPU, 150 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions

• Performance benckmark

– 1.25 DMIPS/MHz (Drystone 2.1)

– 409.20 Coremark® (3.41 Coremark/MHz @120 MHz)

• Energy benckmark

– 233 ULPMark™CP score

– 56.5 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

– 3 PLLs for system clock, USB, audio, ADC

• RTC with HW calendar, alarms and calibration

• Up to 24 capacitive sensing channels: support touchkey, linear and rotary touch sensors

• Advanced graphics features

– Chrom-ART Accelerator™ (DMA2D) for enhanced graphic content creation

– Chrom-GRC™ (GFXMMU) allowing up to 20% of graphic resources optimization

– MIPI® DSI Host controller with two DSI lanes running at up to 500 Mbits/s each

– LCD-TFT controller

• 16x timers: 2 x 16-bit advanced motor-control, 2 x 32-bit and 5 x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer

• Up to 136 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V

• Memories

– 2-Mbyte Flash, 2 banks read-while-write, proprietary code readout protection

– 640 Kbytes of SRAM including 64 Kbytes with hardware parity check

– External memory interface for static memories supporting SRAM, PSRAM, NOR, NAND and FRAM memories

– 2 x OctoSPI memory interface

• 4x digital filters for sigma delta modulator

• Rich analog peripherals (independent supply)

– 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 μA/Msps

– 2x 12-bit DAC, low-power sample and hold

– 2x operational amplifiers with built-in PGA

– 2x ultra-low-power comparators

• 20x communication interfaces

– USB OTG 2.0 full-speed, LPM and BCD

– 2x SAIs (serial audio interface)

– 4x I2C FM+(1 Mbit/s), SMBus/PMBus

– 6x USARTs (ISO 7816, LIN, IrDA, modem)

– 3x SPIs (5x SPIs with the dual OctoSPI)

– CAN (2.0B Active) and SDMMC

• 14-channel DMA controller

• True random number generator

• CRC calculation unit, 96-bit unique ID

• 8- to 14-bit camera interface up to 32 MHz (black and white) or 10 MHz (color)

• Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell (ETM)