Feature
Core: ARM
®
32-bit Cortex
®
-M4F CPU with FPU
− 200 MHz maximum frequency, with a Memory
Protection Unit (MPU), single-cycle multiplication
and hardware division
− Floating Point Unit (FPU)
− DSP instructions
Memories
− 64 to 256 KBytes of Flash memory
− sLib: configurable part of main Flash set as a library
area with code excutable but secured, non-readable
− SPIM interface: extra interfacing up to 16 Mbytes of
external SPI Flash (as instruction/data memory)
− Up to 64 KBytes of SRAM
Clock, Reset, and Power management
− 2.6 V ~ 3.6 V application suppy and I/Os
− Power on reset (POR)/ low voltage reset (LVR), and
power voltage monitor (PVM)
− 4 to 25 MHz crystal (HEXT)
− Internal 48 MHz factory-trimmed RC (accuracy 1%
at T
A
=25 °C, 2.5 % at T
A
=-40 to +105 °C), with
automatic clock calibration (ACC)
− Internal 40 kHz RC oscillator (LICK)
− 32.768 kHz crystal oscillator (LEXT)
Low power consumption
− Sleep, Deepsleep, and Standby modes
− V
BAT
supply for RTC and 42 x 16-bit battery powered
registers (BPR)
2 x 12-bit 0.5 μs A/D converters, up to 16 channels
− Conversion range: 0 V to 3.6 V
− Dual sample and hold capability
− Temparature sensor
DMA: 12-channel DMA controller
− Peripherals supported: timers, ADCs, SDIOs,
I
2
Ss, SPIs, I
2
Cs, and USARTs
Debug mode
− Serial wire debug (SWD) and JTAG interface
Up to 55 fast I/O Interfaces
− 27/39/55 multifunctional and bidirectional I/Os, all
mappable to 16 external interrupt vectors and almost 5
V-tolerant
− All fast I/Os, control registers accessable with f
AHB
speed
Up to 12 Timers
− Up to 5 x 16-bit timers + 2 x 32-bit timers; each with 4
IC/OC/PWM or pulse counter and quadrature
(incremental) encoder input.
− Up to 2 x 16-bit motor control PWM advanced timers
with dead-time generator and emergency brake
− 2 x Watchdog timers
− SysTick timer: 24-bit downcounter
Up to 13 Communication Interfaces
− Up to 2 x I
2
C interfaces (SMBus/PMBus)
− Up to 5 x USARTs (ISO7816 interface, LIN, IrDA
capability, and modem control)
− Up to 2 x SPIs (can be used as I
2
S)
− Up to 2 x CAN interfaces (2.0B Active)
− USB2.0 full-speed interface supporting Crystal-less
− SDIO
CRC Calculation Unit
96-bit unique ID (UID)
Packages
− LQFP64 10x10 mm
− LQFP64 7x7 mm
− QFN48 6 x 6 mm
− QFN32 4x4 mm
List of Models
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