Specifications:
Core: ARM 32-bit Cortex-M4 CPU with
FPU, Adaptive real-time accelerator (ART
Accelerator) allowing 0-wait state execution
from Flash memory, frequency up to 84 MHz,
memory protection unit,
105 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1),
and DSP instructions
• Memories
– up to 512 Kbytes of Flash memory
– up to 96 Kbytes of SRAM
• Clock, reset and supply management
– 1.7 V to 3.6 V application supply and I/Os
– POR, PDR, PVD and BOR
– 4-to-26 MHz crystal oscillator
– Internal 16 MHz factory-trimmed RC
– 32 kHz oscillator for RTC with calibration
– Internal 32 kHz RC with calibration
• Power consumption
– Run: 146 µA/MHz (peripheral off)
– Stop (Flash in Stop mode, fast wakeup
time): 42 µA Typ @ 25C; 65 µA max
@25 C
– Stop (Flash in Deep power down mode,
fast wakeup time): down to 10 µA @ 25 C;
30 µA max @25 C
– Standby: 2.4 µA @25 C / 1.7 V without
RTC; 12 µA @85 C @1.7 V
– VBAT supply for RTC: 1 µA @25 C
• 1×12-bit, 2.4 MSPS A/D converter: up to 16
channels
• General-purpose DMA: 16-stream DMA
controllers with FIFOs and burst support
• Up to 11 timers: up to six 16-bit, two 32-bit
timers up to 84 MHz, each with up to four
IC/OC/PWM or pulse counter and quadrature
(incremental) encoder input, two watchdog
timers (independent and window) and a
SysTick timer
• Debug mode
– Serial wire debug (SWD) & JTAG
interfaces
– Cortex-M4 Embedded Trace Macrocell
• Up to 81 I/O ports with interrupt capability
– Up to 78 fast I/Os up to 42 MHz
– All I/O ports are 5 V-tolerant
• Up to 12 communication interfaces
– Up to 3 x I2C interfaces (SMBus/PMBus)
– Up to 3 USARTs (2 x 10.5 Mbit/s,
1 x 5.25 Mbit/s), ISO 7816 interface, LIN,
IrDA, modem control)
– Up to 4 SPIs (up to 42Mbit/s at
fCPU = 84 MHz), SPI2 and SPI3 with muxed
full-duplex I2S to achieve audio class
accuracy via internal audio PLL or external
clock
– SDIO interface
– Advanced connectivity: USB 2.0 full-speed
device/host/OTG controller with on-chip
PHY
• CRC calculation unit
• 96-bit unique ID
• RTC: subsecond accuracy, hardware calendar
• All packages (WLCSP49, LQFP64/100,
UFQFPN48, UFBGA100) are ECOPACK2
