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STM32L471XX Datasheet, PDF (1/218 Pages) STMicroelectronics – Batch acquisition mode | |||
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STM32L471xx
Ultra-low-power ARM® Cortex®-M4 32-bit MCU+FPU, 100DMIPS,
up to 1MB Flash, 128 KB SRAM, analog, audio
Datasheet - production data
Features
⢠Ultra-low-power with FlexPowerControl
â 1.71 V to 3.6 V power supply
â -40 °C to 85/105/125 °C temperature range
â
300 nA in
32x32-bit
bVaBcAkTump oredgei:ssteurpsply
for
RTC
and
â 30 nA Shutdown mode (5 wakeup pins)
â 120 nA Standby mode (5 wakeup pins)
â 420 nA Standby mode with RTC
â 1.1 µA Stop 2 mode, 1.4 µA Stop 2 with
RTC
â 100 µA/MHz run mode
â Batch acquisition mode (BAM)
â 4 µs wakeup from Stop mode
â Brown out reset (BOR) in all modes except
shutdown
â Interconnect matrix
⢠Core: ARM® 32-bit Cortex®-M4 CPU with FPU,
Adaptive real-time accelerator (ART
Acceleratorâ¢) 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
â 4 to 48 MHz crystal oscillator
â 32 kHz crystal oscillator for RTC (LSE)
â Internal 16 MHz factory-trimmed RC (±1%)
â Internal low-power 32 kHz RC (±5%)
â Internal multispeed 100 kHz to 48 MHz
oscillator, auto-trimmed by LSE (better than
±0.25 % accuracy)
â 3 PLLs for system clock, audio, ADC
⢠RTC with HW calendar, alarms and calibration
⢠Up to 24 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
LQFP144 (20 Ã 20)
LQFP100 (14 x 14)
LQFP64 (10 x 10)
UFBGA132
(7 Ã 7)
⢠Memories
â Up to 1 MB Flash, 2 banks read-while-
write, proprietary code readout protection
â Up to 128 KB of SRAM including 32 KB
with hardware parity check
â External memory interface for static
memories supporting SRAM, PSRAM,
NOR and NAND memories
â Quad SPI memory interface
⢠4x digital filters for sigma delta modulator
⢠Rich analog peripherals (independent supply)
â 3Ã 12-bit ADC 5 Msps, up to 16-bit with
hardware oversampling, 200 µA/Msps
â 2x 12-bit DAC, low-power sample and hold
â 2x operational amplifiers with built-in PGA
â 2x ultra-low-power comparators
⢠17x communication interfaces
â 2x SAIs (serial audio interface)
â 3x I2C FM+(1 Mbit/s), SMBus/PMBus
â 6x USARTs (ISO 7816, LIN, IrDA, modem)
â 3x SPIs (4x SPIs with the Quad SPI)
â CAN (2.0B Active) and SDMMC interface
â 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 Macrocellâ¢
Table 1. Device summary
Reference
Part number
STM32L471xx
STM32L471RG, STM32L471VG, STM32L471QG,
STM32L471ZG, STM32L471RE, STM32L471VE,
STM32L471QE, STM32L471ZE
February 2016
This is information on a product in full production.
DocID027226 Rev 1
1/218
www.st.com
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