STM32L475XX Datasheet, PDF (1/193 Pages) STMicroelectronics – Ultra-low-power ARM Cortex-M4 32-bit MCU+FPU, 100DMIPS, up to 1MB Flash, 128 KB SRAM, USB OTG FS, analog, audio

STM32L475xx
Ultra-low-power ARM^® Cortex^®-M4 32-bit MCU+FPU, 100DMIPS,
up to 1MB Flash, 128 KB SRAM, USB OTG FS, analog, audio
Datasheet - production data
Features
• Ultra-low-power with FlexPowerControl
– 1.71 V to 3.6 V power supply
– -40 °C to 85/105/125 °C temperature range
–
300 nA in
32x32-bit
bVa^Bc^Ak^Tump ^{oredgei:ssteurpsply}
for
RTC
and
– 30 nA Shutdown mode (5 wakeup pins)
– 120 nA Standby mode (5 wakeup pins)
– 420 nA Standby mode with RTC
– 1.1 µA Stop 2 mode, 1.4 µA Stop 2 with
RTC
– 100 µA/MHz run mode
– Batch acquisition mode (BAM)
– 4 µs wakeup from Stop mode
– Brown out 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 80 MHz,
MPU, 100DMIPS/1.25DMIPS/MHz (Dhrystone
2.1), and DSP instructions
• 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)
– 3 PLLs for system clock, USB, audio, ADC
• RTC with HW calendar, alarms and calibration
• Up to 21 capacitive sensing channels: support
touchkey, linear and rotary touch sensors
• 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 114 fast I/Os, most 5 V-tolerant, up to 14
I/Os with independent supply down to 1.08 V
LQFP100 (14 x 14)
LQFP64 (10 x 10)
• Memories
– Up to 1 MB Flash, 2 banks read-while-
write, proprietary code readout protection
– Up to 128 KB of SRAM including 32 KB
with hardware parity check
– External memory interface for static
memories supporting SRAM, PSRAM and
NOR memories
– Quad SPI memory interface
• 4x digital filters for sigma delta modulator
• Rich analog peripherals (independent supply)
– 3× 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
• 18x communication interfaces
– USB OTG 2.0 full-speed, LPM and BCD
– 2x SAIs (serial audio interface)
– 3x I2C FM+(1 Mbit/s), SMBus/PMBus
– 6x USARTs (ISO 7816, LIN, IrDA, modem)
– 3x SPIs (4x SPIs with the Quad SPI)
– CAN (2.0B Active) and SDMMC interface
– SWPMI single wire protocol master I/F
• 14-channel DMA controller
• True random number generator
• CRC calculation unit, 96-bit unique ID
• Development support: serial wire debug
(SWD), JTAG, Embedded Trace Macrocell™
Table 1. Device summary
Reference
Part number
STM32L475xx
STM32L475RG, STM32L475VG, STM32L475RE,
STM32L475VE, STM32L475RC, STM32L475VC
March 2016
This is information on a product in full production.
DocID027692 Rev 2
1/193
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