Feature
Core: ARM
®
32-bit Cortex
®
-M4F CPU
− 96 MHz maximum frequency, with a Memory
Protection Unit (MPU), single-cycle multiplication
and hardware division
− DSP instructions
Memories
− 32 to 64 KBytes of Flash memory
− 4 Kbytes of boot code area used as a Bootloader or
as a general instruction/data memory (one-time-
configured)
− sLib: configurable part of main Flash set as a library
area with code excutable but secured, non-readable
− 20 KBytes of SRAM
Power control (PWC)
− 2.4 V ~ 3.6 V application suppy
− Power-on reset (POR)/ low-voltage reset (LVR), and
power voltage monitor (PVM)
− Low power: Sleep, Deepsleep, and Standby modes,
6 WKUP pins can wake up Standby mode
− 5 x 32-bit battery power registers (BPR)
Clock and reset management (CRM)
− 4 to 25 MHz crystal oscillator (HEXT)
− Internal 48 MHz factory-trimmed clock (HICK),
accuracy 1% at T
A
=25 °C, 2.5 % at T
A
=-40 to
+105 °C, with automatic clock calibration (ACC)
− PLL with configurable frequency multiplication and
division factor
− 32.768 kHz crystal oscillator (LEXT)
− Internal 40 kHz RC oscillator (LICK)
Analog
− 1 x 12-bit 2 MSPS A/D converter, up to 16 input
channels, hardware over-sampling up to equivalent
16-bit resolution
− Internal reference voltage (V
INTRV
)
DMA:
− 1 x DMA controller for flexible mapping support
− 7 channels in all
Up to 55 Fast I/O Interfaces
− All mappable to 16 external interrupt vectors
− Almost 5 V-tolerant
Up to 3 Timers (TMR)
− 1 x 16-bit 7-channel advanced timer, 6- channel PWM
output with dead-time generator and emergency stop
− Up to 6 x 16-bit and 1 x 32-bit general-purpose timers,
each with 4 IC/OC/PWM or pulse counter and
quadrature (incremental) encoder input
− Advanced and general-purpose timers provide up to 24-
channel PWM
− 2 x 16-bit basic timers
− 2 x Watchdog timers (WDT and WWDT)
− SysTick timer: 24-bit downcounter
ERTC: enhanced RTC with auto wakeup, alarm,
subsecond precision, hardware calendar and
calibration feature
Up to 12 communication interfaces
− Up to 2 x I
2
C interfaces (SMBus/PMBus)
− Up to 4 x USARTs,support master synchronous SPI and
modem control, with ISO7816 interface, LIN, IrDA and
RS485 driver enable; support TX/RX swap
− Up to 3 x SPIs (36 Mbit/s), all with I
2
S interface
multiplexed, I
2
S2/ I
2
S3 support full-duplex
− CAN interface (2.0B Active), with 256 bytes of dedicated
SRAM
− OTG full speed interface, with 1280 bytes of dedicated
SRAM, supporting crystal-less in device mode
− Infrared transmitter (IRTMR)
CRC Calculation Unit
96-bit ID (UID)
Debug mode
− Serial wire debug (SWD) and serial wire output (SWO)
Temperature range: -40 to 105℃
Packaging
− LQFP64 10 x 10 mm LQFP32 7 x 7 mm
− LQFP64 7 x 7 mm LQFP48 7 x 7 mm
− QFN48 6 x 6 mm QFN32 4 X 4 mm
− TSSOP20 6.5 x 4.4 mm
List of Models
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