Ultra-low-power Arm Cortex-M33 32-bit MCU
STM32L552xx
Ultra-low-power Arm® Cortex®-M33 32-bit MCU+TrustZone®+FPU, 165 DMIPS, up to 512 KB Flash memory, 256 KB SR...
Description
STM32L552xx
Ultra-low-power Arm® Cortex®-M33 32-bit MCU+TrustZone®+FPU, 165 DMIPS, up to 512 KB Flash memory, 256 KB SRAM, 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) 187 nA in VBAT mode: supply for RTC and
32x32-bit backup registers 17 nA Shutdown mode (5 wakeup pins) 108 nA Standby mode (5 wakeup pins) 222 nA Standby mode with RTC 3.16 μA Stop 2 with RTC 106 μA/MHz Run mode (LDO mode) 62 μA/MHz Run mode @ 3 V
(SMPS step-down converter mode) 5 µs wakeup from Stop mode Brownout reset (BOR) in all modes except
Shutdown
Core
Arm® 32-bit Cortex®-M33 CPU with TrustZone® and FPU
ART Accelerator
8-Kbyte instruction cache allowing 0-wait-state execution from Flash memory and external memories; frequency up to 110 MHz, MPU, 165 DMIPS and DSP instructions
Performance benckmark
1.5 DMIPS/MHz (Drystone 2.1) 442 CoreMark® (4.02 CoreMark®/MHz)
Energy benchmark
370 ULPMark-CP® score 54 ULPMark-PP® score 27400 SecureMark-TLS® score
LQFP48 (7 x 7 mm)
LQFP64 (10 x 10 mm)
LQFP100(*) (14 x14 mm) LQFP144 (20 x 20mm)
FBGA
UFQFPN48 (7 x 7 mm)
UFBGA132 (7 x 7 mm)
WLCSP81 (4.36 x 4.07 mm)
(*): Silhouette shown above.
Memories
Up to 512-Kbyte Flash, two banks read-whilewrite
256 Kbytes of SRAM including 64 Kbytes with hardware parity check
External memory interface supporting SRAM, PSRAM, NOR, NAND and FRAM memories
O...
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