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STMicroelectronics Electronic Components Datasheet

STM32L162RD Datasheet

Ultra-low-power 32-bit MCU

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STM32L162VD, STM32L162ZD,
STM32L162QD, STM32L162RD
Ultra-low-power 32-bit MCU Arm® Cortex®-M3, 384KB Flash,
48KB SRAM, 12KB EEPROM, LCD, USB, ADC, memory I/F, 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
– 305 nA Standby mode (3 wakeup pins)
1.15 µA standby mode + RTC
– 0.475 µA Stop mode (16 wakeup lines)
– 1.35 µA Stop mode + RTC
– 11 µA Low-power run mode
– 230 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
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
– 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
– PLL for CPU clock and USB (48 MHz)
Pre-programmed bootloader
– USB and USART supported
Development support
– Serial wire debug supported
– JTAG and trace supported
Up to 116 fast I/Os (102 I/Os 5V tolerant), all
mappable on 16 external interrupt vectors
LQFP144 (20 × 20 mm)
LQFP100 (14 × 14 mm)
LQFP64 (10 × 10 mm)
UFBGA132
(7 × 7 mm)
WLCSP64
(0.4 mm pitch)
Memories
– 384 Kbytes of Flash memory with ECC
(with 2 banks of 192 Kbytes enabling Rww
capability)
– 48 Kbytes of RAM
– 12 Kbytes of true EEPROM with ECC
– 128-byte backup register
– Memory interface controller supporting
SRAM, PSRAM and NOR Flash
LCD driver for up to 8x40 segments
– Support contrast adjustment
– Support blinking mode
– Step-up converter on board
Rich analog peripherals (down to 1.8V)
– 3x 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 wakeup capability)
DMA controller 12x channels
12x 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)
– 1x SDIO interface
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)
Up to 34 capacitive sensing channels
CRC calculation unit, 96-bit unique ID
October 2017
This is information on a product in full production.
DocID022268 Rev 10
1/155
www.st.com


STMicroelectronics Electronic Components Datasheet

STM32L162RD Datasheet

Ultra-low-power 32-bit MCU

No Preview Available !

Contents
Contents
STM32L162VD STM32L162ZD STM32L162QD STM32L162RD
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.1 Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2 Ultra-low-power device continuum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.2.1 Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.2.2 Shared peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.2.3 Common system strategy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.2.4 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3 Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.1 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.2 Arm® Cortex®-M3 core with MPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.3 Reset and supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.3.1 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.3.2 Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.3.3 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.3.4 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.4 Clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.5 Low-power real-time clock and backup registers . . . . . . . . . . . . . . . . . . . 25
3.6 GPIOs (general-purpose inputs/outputs) . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.7 Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.8 FSMC (flexible static memory controller) . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.9 DMA (direct memory access) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.10 LCD (liquid crystal display) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.11 ADC (analog-to-digital converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.11.1 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.11.2 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.12 DAC (digital-to-analog converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.13 Operational amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.14 Ultra-low-power comparators and reference voltage . . . . . . . . . . . . . . . . 29
3.15 System configuration controller and routing interface . . . . . . . . . . . . . . . 29
2/155
DocID022268 Rev 10


Part Number STM32L162RD
Description Ultra-low-power 32-bit MCU
Maker STMicroelectronics
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STM32L162RD Datasheet PDF






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