Features
Ultra-low-power platform
– 1.65 V to 3.6 V power supply
– -40 to 125 °C temperature range
– 0.27 µA Standby mode (2 wakeup pins)
– 0.4 µA Stop mode (16 wakeup lines)
– 0.8 µA Stop mode + RTC + 8 KB RAM retention
– 88 µA/MHz in Run mode
– 3.5 µs wakeup time (from RAM)
– 5 µs wakeup time (from Flash memory)
Core: ARM® 32-bit Cortex®-M0+ with MPU
– From 32 kHz up to 32 MHz max.
– 0.95 DMIPS/MHz
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 25 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 RC
– PLL for CPU clock Pre-programmed bootloader
– USART, SPI supported
Development support
– Serial wire debug supported
Up to 51 fast I/Os (45 I/Os 5V tolerant)
Memories
– Up to 64 KB Flash memory with ECC
– 8KB RAM
– 2 KB 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 16 channels (down to 1.65 V)
– 2x ultra-low-power comparators (window mode and wake up capability, down to 1.65 V)
7-channel DMA controller, supporting ADC, SPI, I2C, USART, Timers
7x peripheral communication interfaces
– 2x USART (ISO 7816, IrDA), 1x UART (low power)
– Up to 4x SPI 16 Mbits/s
– 2x I2C (SMBus/PMBus)
9x timers: 1x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC, 1x 16-bit basic, and 2x watchdogs (independent/window)
CRC calculation unit, 96-bit unique ID
All packages are ECOPACK®2
ARM 32-bit Cortex-M0+ with MPU
0.95 DMIPS/MHz
Ultra-safe, low-power BOR (brownout reset)
Ultralow-power POR/PDR
Programmable voltage detector (PVD)
1 to 25MHz Crystal oscillator
32kHz Oscillator for RTC with calibration
High-speed internal 16MHz factory-trimmed RC (±1%)
Internal low-power 37kHz RC
Internal multispeed low-power 65kHz to 4.2MHz RC
PLL for CPU clock
Pre-programmed bootloader - USART, SPI supported
Serial wire debug supported
12-bit 1.14MSPS ADC
2 x Ultralow-power comparators
7-channel DMA Controller, supporting ADC, SPI, I²C, USART, Timers
96-bit Unique ID
Core Processor
ARM? Cortex?-M0+
Core Size
32-Bit
Speed
32MHz
Connectivity
I2C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O
27
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
EEPROM Size
2K x 8
RAM Size
8K x 8
Voltage Supply (Vcc/Vdd)
1.65V ~ 3.6V
Data Converters
A/D 10x12b
Oscillator Type
Internal
Operating Temperature
-40??C ~ 85??C (TA)
Mounting Type
Surface Mount
Package / Case
32-UFQFN Exposed Pad
Supplier Device Package
32-UFQFPN (5x5)