STM32WL31KBV6

Sub-GHz Wireless Microcontrollers. Single-core Arm Cortex-M0+ @64 MHz with 64 Kbytes of Flash memory, 16 Kbytes of SRAM.

Parameters

Supply Voltage Min Volt	1.7
Supply Voltage Max Volt	3.6
Operating Voltage Min Volt	1.8
Operating Voltage Max Volt	3.6
Core	Arm Cortex-M0+
ECCN US	5A992.c
ECCN EU	NEC
Packing Type	Tray
RoHs compliant	Ecopack2
Grade	Industrial
Package Name	VFQFPN 32 5x5x1.0 mm

Description

The STM32WL31xx is a high performance ultra-low power wireless application processor, intended for RF wireless applications in the sub-1 GHz band. It is designed to operate in both the license-free ISM and SRD frequency bands such as 433, 868, and 915 MHz.It adopts a single-core architecture...
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Key features

Key features
Includes ST state-of-the-art patented technology Ultra-low power sub-1GHz wireless system-on-chip Programmable MCU Core: Arm^® Cortex^®-M0+ 32-bit, running up to 64 MHz Program memory: 64-Kbyte / 128-Kbyte flash memory Data memory: 8-Kbyte / 16-Kbyte SRAM (full retention) Additional storage: 1-Kbyte OTP (user data) Radio Frequency bands: 413-479 MHz, 826-958 MHz Air data rate from 0.1 to 600 kbit/s Programmable TX power up to +20dBm RX sensitivity @ 1% BER: -132 dBm @300 bit/s 433 MHz OOK -128 dBm @300 bit/s 868 MHz 2(G)FSK -112 dBm @38.4 bit/s 868 MHz 2(G)FSK Modulation schemes: 2(G)FSK, 2(G)MSK, 4(G)FSK OOK, ASK D-BPSK DSSS (direct sequence spread spectrum) I/Q channels data access Compatible with proprietary and standardized wireless protocols (W-MBUS, Sigfox, Mioty, KNX-RF, IEEE 802.15.4g, others) Suitable for worldwide certifications: Europe: ETSI EN 300 220, category 1 compliant, ETSI EN 303 131 US: FCC part 15 and part 90 Japan: ARIB STD T67, T108 Fully-configurable hardware sequencer for autonomous radio operations (Sniff mode, Frequency hopping, Low Duty Cycle mode, Listen before talk) Ultra-low power architecture Dynamic current consumption: 21 µA/MHz 14 nA in Shutdown mode 960 nA in Deepstop mode Radio only consumption: 4 mA in RX 8 mA in TX @ +10 dBm 78 mA in TX @ +20 dBm Consumption: 1.3 mA current in WFI conditions (direct HSE mode) Wakeup capability from both Deepstop and Shutdown modes Peripherals and analog front-end 12-bit ADC: up to 1 Msample/s with 8 single ended channels (or 4 differentials) Temperature monitoring Communication interfaces Up to 32 GPIOs (VFQFPN48), all with retention capabilityUp to 17 GPIOs (VFQFPN32), all with retention capability 1x USART. Supports of LIN, Smartcard Protocol, IrDA, SIR ENDEC specifications, and modem operations (CTS/RTS) 1x LPUART (available also in low-power mode), with wakeup capability 1x SPI 1x SPI with I2S interface multiplexed I2C (SMBus/PMBus) 1x DMA 8 channels controller, supporting ADC, SPIs, I2Cs, USART, LPUART, timers, AES Clock sources and timers Flexible clocking scheme, featuring: 64 MHz (HSI or PLL) Fail-safe 48 MHz crystal oscillator (HSE), with integrated trimming capacitors 32 kHz crystal oscillator (LSE) Integrated low-power 32 kHz RC (LSI) 1x 16-bits, four channels general purpose timer 1x 16-bits, two channels general purpose timer 1x RTC 1x independent watchdog Radio timer with wakeup capability Security Secure bootloader with SWD disabling AES-128 co-processor and 16-bit TRNG Embedded UART bootloader with selectable write and read-out protection Operating range and reset Ultra-low-power power-on-reset (POR) and power-down-reset (PDR) Programmable voltage detector (PVD) Supply voltage: from 1.7 to 3.6 V Temperature range: -40 ºC to 105 ºC All packages are ECOPACK2 compliant

In stock

Quantity	$ per unit	Savings
1-9	$5.91	0%
10-24	$4.19	29%
25-99	$3.90	34%
100-249	$3.43	42%
250-499	$3.25	45%
500	$2.92	51%
500 +	Contact sales

$5.91

Parameters

Supply Voltage Min Volt	1.7
Supply Voltage Max Volt	3.6
Operating Voltage Min Volt	1.8
Operating Voltage Max Volt	3.6
Core	Arm Cortex-M0+
ECCN US	5A992.c
ECCN EU	NEC
Packing Type	Tray
RoHs compliant	Ecopack2
Grade	Industrial
Package Name	VFQFPN 32 5x5x1.0 mm

Description

Key features

Key features
Includes ST state-of-the-art patented technology Ultra-low power sub-1GHz wireless system-on-chip Programmable MCU Core: Arm^® Cortex^®-M0+ 32-bit, running up to 64 MHz Program memory: 64-Kbyte / 128-Kbyte flash memory Data memory: 8-Kbyte / 16-Kbyte SRAM (full retention) Additional storage: 1-Kbyte OTP (user data) Radio Frequency bands: 413-479 MHz, 826-958 MHz Air data rate from 0.1 to 600 kbit/s Programmable TX power up to +20dBm RX sensitivity @ 1% BER: -132 dBm @300 bit/s 433 MHz OOK -128 dBm @300 bit/s 868 MHz 2(G)FSK -112 dBm @38.4 bit/s 868 MHz 2(G)FSK Modulation schemes: 2(G)FSK, 2(G)MSK, 4(G)FSK OOK, ASK D-BPSK DSSS (direct sequence spread spectrum) I/Q channels data access Compatible with proprietary and standardized wireless protocols (W-MBUS, Sigfox, Mioty, KNX-RF, IEEE 802.15.4g, others) Suitable for worldwide certifications: Europe: ETSI EN 300 220, category 1 compliant, ETSI EN 303 131 US: FCC part 15 and part 90 Japan: ARIB STD T67, T108 Fully-configurable hardware sequencer for autonomous radio operations (Sniff mode, Frequency hopping, Low Duty Cycle mode, Listen before talk) Ultra-low power architecture Dynamic current consumption: 21 µA/MHz 14 nA in Shutdown mode 960 nA in Deepstop mode Radio only consumption: 4 mA in RX 8 mA in TX @ +10 dBm 78 mA in TX @ +20 dBm Consumption: 1.3 mA current in WFI conditions (direct HSE mode) Wakeup capability from both Deepstop and Shutdown modes Peripherals and analog front-end 12-bit ADC: up to 1 Msample/s with 8 single ended channels (or 4 differentials) Temperature monitoring Communication interfaces Up to 32 GPIOs (VFQFPN48), all with retention capabilityUp to 17 GPIOs (VFQFPN32), all with retention capability 1x USART. Supports of LIN, Smartcard Protocol, IrDA, SIR ENDEC specifications, and modem operations (CTS/RTS) 1x LPUART (available also in low-power mode), with wakeup capability 1x SPI 1x SPI with I2S interface multiplexed I2C (SMBus/PMBus) 1x DMA 8 channels controller, supporting ADC, SPIs, I2Cs, USART, LPUART, timers, AES Clock sources and timers Flexible clocking scheme, featuring: 64 MHz (HSI or PLL) Fail-safe 48 MHz crystal oscillator (HSE), with integrated trimming capacitors 32 kHz crystal oscillator (LSE) Integrated low-power 32 kHz RC (LSI) 1x 16-bits, four channels general purpose timer 1x 16-bits, two channels general purpose timer 1x RTC 1x independent watchdog Radio timer with wakeup capability Security Secure bootloader with SWD disabling AES-128 co-processor and 16-bit TRNG Embedded UART bootloader with selectable write and read-out protection Operating range and reset Ultra-low-power power-on-reset (POR) and power-down-reset (PDR) Programmable voltage detector (PVD) Supply voltage: from 1.7 to 3.6 V Temperature range: -40 ºC to 105 ºC All packages are ECOPACK2 compliant