Ultra-low-power Arm Cortex-M4 32-bit MCU+FPU
Description
STM32L4R5xx STM32L4R7xx STM32L4R9xx
Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 150DMIPS, up to 2MB Flash, 640KB SRAM, LCD-TFT & MIPI DSI, ext.
SMPS
Datasheet- production data
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%)
LQFP144 (20 × 20) UFBGA169 (7 x 7) LQFP100 (14 x 14) UFBGA144 (10 x 10)
UFBGA132 (7 × 7)
WLCSP144
– 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: ...
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