STM32L162RE 32-bit MCU Datasheet

STM32L162RE Datasheet, PDF, Equivalent


Part Number

STM32L162RE

Description

Ultra-low-power 32-bit MCU

Manufacture

STMicroelectronics

Total Page 30 Pages
Datasheet
Download STM32L162RE Datasheet


STM32L162RE
STM32L162xE
Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3 with 512KB
Flash, 80KB SRAM, 16KB EEPROM, LCD, USB, ADC, DAC, AES
Datasheet - production data
Features
Ultra-low-power platform
– 1.65 V to 3.6 V power supply
-40 °C to 105 °C temperature range
– 290 nA Standby mode (3 wakeup pins)
– 1.11 µA Standby mode + RTC
– 560 nA Stop mode (16 wakeup lines)
– 1.4 µA Stop mode + RTC
– 11 µA Low-power run mode down to 4.6 µA
in Low-power sleep mode
– 195 µA/MHz Run mode
– 10 nA ultra-low I/O leakage
– 8 µs wakeup time
AES 128-bit encryption hardware accelerator
Core: ARM® Cortex®-M3 32-bit CPU
– From 32 kHz up to 32 MHz max
– 1.25 DMIPS/MHz (Dhrystone 2.1)
– Memory protection unit
Up to 34 capacitive sensing channels
CRC calculation unit, 96-bit unique ID
Reset and supply management
– Low-power, ultrasafe BOR (brownout reset)
with 5 selectable thresholds
– Ultra-low-power POR/PDR
– Programmable voltage detector (PVD)
Clock sources
– 1 to 24 MHz crystal oscillator
– 32 kHz oscillator for RTC with calibration
– Internal 16 MHz oscillator factory trimmed
RC(+/-1%) with PLL option
– Internal low-power 37 kHz oscillator
– Internal multispeed low-power 65 kHz to
4.2 MHz oscillator
– PLL for CPU clock and USB (48 MHz)
Pre-programmed bootloader
– USB and USART supported
LQFP144 (20 × 20 mm)
LQFP100 (14 × 14 mm)
LQFP64 (10 × 10 mm)
WLCSP104
(0.4 mm pitch)
Up to 116 fast I/Os (102 I/Os 5V tolerant), all
mappable on 16 external interrupt vectors
Memories
– 512 Kbytes of Flash memory with ECC
(with 2 banks of 256 Kbytes enabling RWW
capability)
– 80 Kbytes of RAM
– 16 Kbytes of true EEPROM with ECC
– 128-byte backup register
LCD driver up to 8x40 segments, contrast
adjustment, blinking mode, step-up converter
Rich analog peripherals (down to 1.8 V)
– 2x operational amplifiers
– 12-bit ADC 1 Msps up to 40 channels
– 12-bit DAC 2 ch with output buffers
– 2x ultra-low-power comparators
(window mode and wake up capability)
DMA controller 12x channels
11x peripheral communication interfaces
– 1x USB 2.0 (internal 48 MHz PLL)
– 5x USARTs
– Up to 8x SPIs (2x I2S, 3x 16 Mbit/s)
– 2x I2Cs (SMBus/PMBus)
11x timers: 1x 32-bit, 6x 16-bit with up to 4
IC/OC/PWM channels, 2x 16-bit basic timers,
2x watchdog timers (independent and window)
Development support: serial wire debug, JTAG
and trace
Table 1. Device summary
Reference
Part number
STM32L162xE
STM32L162RE, STM32L162VE,
STM32L162ZE
August 2017
This is information on a product in full production.
DocID025882 Rev 7
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STM32L162RE
Contents
Contents
STM32L162xE
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1 Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2 Ultra-low-power device continuum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
2.2.1 Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2.2 Shared peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2.3 Common system strategy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2.4 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3 Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 ARM® Cortex®-M3 core with MPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.3 Reset and supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.3.1 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.3.2 Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.3.3 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.3.4 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.4 Clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.5 Low-power real-time clock and backup registers . . . . . . . . . . . . . . . . . . . 22
3.6 GPIOs (general-purpose inputs/outputs) . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.7 Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.8 DMA (direct memory access) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.9 LCD (liquid crystal display) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.10 ADC (analog-to-digital converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.10.1 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.10.2 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.11 DAC (digital-to-analog converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.12 Operational amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.13 Ultra-low-power comparators and reference voltage . . . . . . . . . . . . . . . . 26
3.14 System configuration controller and routing interface . . . . . . . . . . . . . . . 26
3.15 Touch sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
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DocID025882 Rev 7


Features STM32L162xE Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3 with 512KB Flas h, 80KB SRAM, 16KB EEPROM, LCD, USB, AD C, DAC, AES Datasheet - production data Features • Ultra-low-power platfor m – 1.65 V to 3.6 V power supply – -40 °C to 105 °C temperature range 290 nA Standby mode (3 wakeup pins) 1.11 µA Standby mode + RTC – 560 nA Stop mode (16 wakeup lines) – 1.4 µA Stop mode + RTC – 11 µA Low-powe r run mode down to 4.6 µA in Low-power sleep mode – 195 µA/MHz Run mode 10 nA ultra-low I/O leakage – 8 µs wakeup time • AES 128-bit encryption hardware accelerator • Core: ARM® C ortex®-M3 32-bit CPU – From 32 kHz u p to 32 MHz max – 1.25 DMIPS/MHz (Dhr ystone 2.1) – Memory protection unit • Up to 34 capacitive sensing channel s • CRC calculation unit, 96-bit uniq ue ID • Reset and supply management Low-power, ultrasafe BOR (brownout r eset) with 5 selectable thresholds – Ultra-low-power POR/PDR – Programmable voltage detector (PVD) • Clock sources – 1 to 24 MHz crystal oscillator – 32 k.
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