Circuit Board Chips: STM32L151CBU6 Ultra-low-power 32-bit MCU ARM-based Cortex-M3

STM32L151CBU6 Ultra-low-power 32-bit MCU ARM-based Cortex-M3

Part Number: STM32L151CBU6

Brand: ST

Package: QFN48

Features
■ Ultra-low-power platform
– 1.65 V to 3.6 V power supply
– -40°C to 85°C/105°C temperature range
– 0.3 µA Standby mode (3 wakeup pins)
– 0.9 µA Standby mode + RTC
– 0.57 µA Stop mode (16 wakeup lines)
– 1.2 µA Stop mode + RTC
– 9 µA Low-power Run mode
– 214 µA/MHz Run mode
– 10 nA ultra-low I/O leakage
– < 8 µs wakeup time
■ Core: ARM 32-bit Cortex™-M3 CPU
– From 32 kHz up to 32 MHz max
– 33.3 DMIPS peak (Dhrystone 2.1)
– Memory protection unit
■ Reset and supply management
– Ultra-safe, low-power 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 factorytrimmed
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
– USART supported
■ Development support
– Serial wire debug supported
– JTAG and trace supported
■ Up to 83 fast I/Os (73 I/Os 5V tolerant), all
mappable on 16 external interrupt vectors
■ Memories
– Up to 128 KB Flash with ECC
– Up to 16 KB RAM
– Up to 4 KB of true EEPROM with ECC
– 80 Byte Backup Register
■ LCD Driver for up to 8x40 segments
– Support contrast adjustment
– Support blinking mode
– Step-up converter on board
■ Rich analog peripherals (down to 1.8 V)
– 12-bit ADC 1 Msps up to 24 channels
– 12-bit DAC 2 channels with output buffers
– 2x Ultra-low-power-comparators
(window mode and wake up capability)
■ DMA controller 7x channels
■ 8x peripherals communication interface
– 1x USB 2.0 (internal 48 MHz PLL)
– 3x USART (ISO 7816, IrDA)
– 2x SPI 16 Mbits/s
– 2x I2C (SMBus/PMBus)
■ 10x timers: 6x 16-bit with up to 4 IC/OC/PWM
channels, 2x 16-bit basic timer, 2x watchdog
timers (independent and window)
■ Up to 20 capacitive sensing channels
supporting touchkey, linear and rotary touch
sensors
■ CRC calculation unit, 96-bit unique ID

Part Status	Active
Core Processor	ARM® Cortex®-M3
Core Size	32-Bit
Speed	32MHz
Connectivity	I²C, IrDA, LIN, SPI, UART/USART, USB
Peripherals	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number of I/O	37
Program Memory Size	128KB (128K x 8)
Program Memory Type	FLASH
EEPROM Size	4K x 8
RAM Size	16K x 8
Voltage - Supply (Vcc/Vdd)	1.8 V ~ 3.6 V
Data Converters	A/D 16x12b, D/A 2x12b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	48-UFQFN Exposed Pad
Supplier Device Package	48-UFQFPN (7x7)