Features
• 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 180 MHz, 
MPU, 225 DMIPS/1.25 DMIPS/MHz
(Dhrystone 2.1), and DSP instructions
• Memories
– Up to 2 MB of Flash memory organized into 
two banks allowing read-while-write
– Up to 256+4 KB of SRAM including 64-KB 
of CCM (core coupled memory) data RAM
– Flexible external memory controller with up 
to 32-bit data bus: SRAM, PSRAM, 
SDRAM/LPSDR SDRAM, Compact 
Flash/NOR/NAND memories
• LCD parallel interface, 8080/6800 modes
• LCD-TFT controller with fully programmable 
resolution (total width up to 4096 pixels, total 
height up to 2048 lines and pixel clock up to 
83 MHz)
• Chrom-ART Accelerator™ for enhanced 
graphic content creation (DMA2D)
• 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 (1% 
accuracy)
– 32 kHz oscillator for RTC with calibration
– Internal 32 kHz RC with calibration
• Low power
– Sleep, Stop and Standby modes
– VBAT supply for RTC, 20×32 bit backup 
registers + optional 4 KB backup SRAM
• 3×12-bit, 2.4 MSPS ADC: up to 24 channels 
and 7.2 MSPS in triple interleaved mode
• 2×12-bit D/A converters
• General-purpose DMA: 16-stream DMA 
controller with FIFOs and burst support
• Up to 17 timers: up to twelve 16-bit and two 32-
bit timers up to 180 MHz, each with up to 4 
IC/OC/PWM or pulse counter and quadrature 
(incremental) encoder input
• Debug mode
– SWD & JTAG interfaces
– Cortex-M4 Trace Macrocell™
• Up to 168 I/O ports with interrupt capability
– Up to 164 fast I/Os up to 90 MHz
– Up to 166 5 V-tolerant I/Os
• Up to 21 communication interfaces
– Up to 3 × I2C interfaces (SMBus/PMBus)
– Up to 4 USARTs/4 UARTs (11.25 Mbit/s, 
ISO7816 interface, LIN, IrDA, modem 
control)
– Up to 6 SPIs (45 Mbits/s), 2 with muxed 
full-duplex I2S for audio class accuracy via 
internal audio PLL or external clock
– 1 x SAI (serial audio interface)
– 2 × CAN (2.0B Active) and SDIO interface
• Advanced connectivity
– USB 2.0 full-speed device/host/OTG 
controller with on-chip PHY
– USB 2.0 high-speed/full-speed 
device/host/OTG controller with dedicated 
DMA, on-chip full-speed PHY and ULPI
– 10/100 Ethernet MAC with dedicated DMA: 
supports IEEE 1588v2 hardware, MII/RMII
• 8- to 14-bit parallel camera interface up to 
54 Mbytes/s
• True random number generator
• CRC calculation unit
• RTC: subsecond accuracy, hardware calendar
• 96-bit unique ID