Product overview
Description
The access line ultra-low-power STM32L011xx family incorporates the high-performance ARM® Cortex®-M0+ 32-bit RISC core operating at a 32 MHz frequency, high-speed embedded memories (up to 16 Kbytes of Flash program memory, 512 bytes of data EEPROM and 2 Kbytes of RAM) plus an extensive range of enhanced I/Os and peripherals.
The STM32L011xx devices provide high power efficiency for a wide range of performance. It is achieved with a large choice of internal and external clock sources, an internal voltage adaptation and several low-power modes.
The STM32L011xx devices offer several analog features, one 12-bit ADC with hardware oversampling, two ultra-low-power comparators, several timers, one low-power timer (LPTIM), three general-purpose 16-bit timers, one RTC and one SysTick which can be used as timebases. They also feature two watchdogs, one watchdog with independent clock and window capability and one window watchdog based on bus clock.
Moreover, the STM32L011xx devices embed standard and advanced communication interfaces: one I2C, one SPI, one USART, and a low-power UART (LPUART).
The STM32L011xx also include a real-time clock and a set of backup registers that remain powered in Standby mode.
The ultra-low-power STM32L011xx devices operate from a 1.8 to 3.6 V power supply (down to 1.65 V at power down) with BOR and from a 1.65 to 3.6 V power supply without BOR option. They are available in the -40 to +125 °C temperature range. A comprehensive set of power-saving modes allows the design of low-power applications.
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All features
- Ultra-low-power platform
- 1.65 V to 3.6 V power supply
- -40 to 125 °C temperature range
- 0.23 μA Standby mode (2 wakeup pins)
- 0.34 μA Stop mode (16 wakeup lines)
- 0.67 μA Stop mode + RTC + 2 KB RAM retention
- Down to 79 μA/MHz in Run mode
- 5 μs wakeup time (from Flash memory)
- 1 μA 12-bit ADC conversion at 10 ksps
- Core: ARM® 32-bit Cortex®-M0+
- Up to 32 MHz max.
- 0.95 DMIPS/MHz
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
- Ultralow power POR/PDR
- Programmable voltage detector (PVD)
- Clock sources
- 0 to 32 MHz external clock
- 32 kHz oscillator for RTC with calibration
- High speed internal 16 MHz factory-trimmed RC (+/- 1%)
- Internal low-power 37 kHz RC
- Internal multispeed low-power 65 kHz to 4.2 MHz RC
- PLL for CPU clock
- Pre-programmed bootloader
- USART, SPI supported
- Development support
- Serial wire debug supported
- Up to 38 fast I/Os (31 I/Os 5V tolerant)
- Memories
- Up to 16 KB Flash memory with ECC
- 2 KB RAM
- 512 B of data EEPROM with ECC
- 20-byte backup register
- Sector protection against R/W operation
- Rich Analog peripherals
- 12-bit ADC 1.14 Msps up to 10 channels (down to 1.65 V)
- 2x ultra-low-power comparators (window mode and wake up capability, down to 1.8 V)
- 7-channel DMA controller, supporting ADC, SPI, I2C, USART, Timers
- 5x peripherals communication interface
- 1x USART (ISO 7816, IrDA), 1x UART (low power)
- 1x SPI 16 Mbits/s
- 1x I2C (SMBus/PMBus)
- 8x timers: 1x 16-bit with up to 4 channels, 1x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC and 2x watchdogs (independent/window)
- CRC calculation unit, 96-bit unique ID
- All packages are ECOPACK®2
- Ultra-low-power platform
Circuit Diagram
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All resources
| Resource title | Version | Latest update |
|---|
System View Description (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| ZIP | 1.4 | 14 Dec 2023 | 14 Dec 2023 |
IBIS models (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| ZIP | 3.0 | 13 Jan 2016 | 13 Jan 2016 |
Quality and Reliability
| Part Number | Marketing Status | Package | SMPS | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|---|
| STM32L011K4T6 | Active | LQFP 32 7x7x1.4 mm | - | Industrial | Ecopack2 | |
| STM32L011K4T6D | Active | LQFP 32 7x7x1.4 mm | - | Industrial | Ecopack2 | |
| STM32L011K4T6TR | Active | LQFP 32 7x7x1.4 mm | - | Industrial | Ecopack2 | |
| STM32L011K4T7 | Proposal | LQFP 32 7x7x1.4 mm | - | Industrial | - | |
| STM32L011K4U3 | Active | UFQFPN 32 5x5x0.55 mm | - | Industrial | Ecopack2 | |
| STM32L011K4U3TR | Active | UFQFPN 32 5x5x0.55 mm | - | Industrial | Ecopack2 | |
| STM32L011K4U6 | Active | UFQFPN 32 5x5x0.55 mm | - | Industrial | Ecopack2 | |
| STM32L011K4U6TR | Active | UFQFPN 32 5x5x0.55 mm | - | Industrial | Ecopack2 | |
| STM32L011K4U7 | Proposal | UFQFPN 32 5x5x0.55 mm | - | Industrial | - | |
STM32L011K4T7
Package:
LQFP 32 7x7x1.4 mmMaterial Declaration**:
STM32L011K4U7
Package:
UFQFPN 32 5x5x0.55 mmMaterial Declaration**:
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | D/A Converters (typ) (12-bit) | Timers (typ) (16-bit) | Timers (typ) (32-bit) | Number of Channels (typ) | SMPS | Number of Channels (typ) | UART (typ) | I/Os (High Current) | Integrated op-amps | Comparator | SPI (typ) | USART (typ) | Number of Channels (typ) | I2S (typ) | Advanced Motor Control Timers | CAN (2.0) | CAN (FD) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| STM32L011K4T6 | | | distributors No availability of distributors reported, please contact our sales office |
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| STM32L011K4U3 | | | distributors No availability of distributors reported, please contact our sales office |
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| STM32L011K4T6D | | | distributors No availability of distributors reported, please contact our sales office |
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| STM32L011K4U3TR | | | distributors No availability of distributors reported, please contact our sales office |
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| STM32L011K4U6 | | | distributors No availability of distributors reported, please contact our sales office |
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| STM32L011K4T6TR | | | distributors No availability of distributors reported, please contact our sales office |
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| STM32L011K4U6TR | | | distributors No availability of distributors reported, please contact our sales office |
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| STM32L011K4U7 | | | distributors No availability of distributors reported, please contact our sales office |
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STM32L011K4T6 Active
STM32L011K4T7 Proposal
STM32L011K4U3 Active
STM32L011K4T6D Active
STM32L011K4U3TR Active
STM32L011K4U6 Active
STM32L011K4T6TR Active
STM32L011K4U6TR Active
STM32L011K4U7 Proposal
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors