特性 Features

? Core: ARM? 32-bit Cortex?-M3 CPU (120 MHz

max) with Adaptive real-time accelerator (ART

Accelerator?) allowing 0-wait state execution

performance from Flash memory, MPU,

150 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1)

? Memories

– Up to 1 Mbyte of Flash memory

– 512 bytes of OTP memory

– Up to 128 + 4 Kbytes of SRAM

– Flexible static memory controller that

supports Compact Flash, SRAM, PSRAM,

NOR and NAND memories

– LCD parallel interface, 8080/6800 modes

? Clock, reset and supply management

– From 1.8 to 3.6 V application supply + 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

? Low-power modes

– Sleep, Stop and Standby modes

– VBAT supply for RTC, 20 × 32 bit backup

registers, and optional 4 KB backup SRAM

? 3 × 12-bit, 0.5 μs ADCs with up to 24 channels

and up to 6 MSPS in triple interleaved mode

? 2 × 12-bit D/A converters

? General-purpose DMA: 16-stream controller

with centralized FIFOs and burst support

? Up to 17 timers

– Up to twelve 16-bit and two 32-bit timers,

up to 120 MHz, each with up to four

IC/OC/PWM or pulse counter and

quadrature (incremental) encoder input

? Debug mode: Serial wire debug (SWD), JTAG,

and Cortex?-M3 Embedded Trace Macrocell?

? Up to 140 I/O ports with interrupt capability:

– Up to 136 fast I/Os up to 60 MHz

– Up to 138 5 V-tolerant I/Os

? Up to 15 communication interfaces

– Up to 3 × I2C interfaces (SMBus/PMBus)

– Up to four USARTs and two UARTs

(7.5 Mbit/s, ISO 7816 interface, LIN, IrDA,

modem control)

– Up to three SPIs (30 Mbit/s), two with

muxed I2S to achieve audio class accuracy

via audio PLL or external PLL

– 2 × CAN interfaces (2.0B Active)

– 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

(48 Mbyte/s max.)

? CRC calculation unit

? 96-bit unique ID