ARM™Cortex-M4 32b MCU+FPU, up to 256KB Flash+48KB SRAM
4 ADCs, 2 DAC ch., 7 comp., 4 PGA, timers, 2.0-3.6 V operation
Datasheet − preliminary data
Features
■ ARM 32-bit Cortex®-M4 CPU (72 MHz max),
single-cycle multiplication and HW division, DSP
instruction with FPU (floating-point unit) and MPU
(memory protection unit).
■ Operating conditions:
– VDD, VDDA voltage range: 2.0 V to 3.6 V
■ Memories
– 128 to 256 Kbytes of Flash memory
– Up to 40 Kbytes of SRAM on data bus with
HW parity check
– 8 Kbytes of SRAM on instruction bus with HW
parity check (CCM)
■ Clock management
– 4 to 32 MHz crystal oscillator
– 32 kHz oscillator for RTC with calibration
– Internal 8 MHz RC with x 16 PLL option
– Internal 40 kHz oscillator
■ Calendar RTC
– Alarm, periodic wakeup from Stop/Standby
■ Reset and supply management
– Power-on/Power down reset (POR/PDR)
– Programmable voltage detector (PVD)
■ Low power Sleep, Stop, and Standby modes
■ VBAT
supply for RTC and backup registers
■ Debug mode: serial wire debug (SWD), JTAG
interfaces, Cortex-M4 ETM
■ DMA
– 12-channel DMA controller
– Peripherals supported: timers, ADCs, SPIs,
I
2
Cs, USARTs and DACs
■ Up to 4 × ADC 0.20 µS (up to 39 channels) with
selectable resolution of 12/10/8/6 bits, 0 to 3.6 V
conversion range, separate analog supply from 2
to 3.6 V
■ Temperature sensor
■ 7 fast rail-to-rail analog comparators
■ Up to 2 x 12-bit DAC channels
■ Up to 4 operational amplifiers that can be used in
PGA mode, all terminal accessible
■ Support for up to 24 capacitive sensing keys
■ Up to 87 fast I/O ports, all mappable on external
interrupt vectors, several 5 V-tolerant
■ Up to 13 timers
– 1 x 32-bit timer and 2 x 16-bit timers with up
to 4 IC/OC/PWM or pulse counter and
quadrature (incremental) encoder input
– Up to 2 x 16-bit 6-channel advanced-control
timers, with up to 6 PWM channels, deadtime
generation and emergency stop
– 1 x 16-bit timer with 2 IC/OCs, 1 OCN/PWM,
deadtime generation and emergency stop
– 2 x 16-bit timers with IC/OC/OCN/PWM,
deadtime generation and emergency stop
– 2 x watchdog timers (independent, window)
– 1 x SysTick timer: 24-bit downcounter
– Up to 2 x 16-bit basic timers to drive the DAC
■ Communication interfaces
– CAN interface (2.0B Active)
– USB 2.0 full speed interface
– 2 x I2C with 20 mA current sink to support
Fast mode plus
– Up to 5 USART/UARTs (ISO 7816 interface,
LIN, IrDA, modem control)
– Up to 3 SPIs, 2 with muxed full-duplex I2S to
achieve audio class accuracy via external
PLL
■ CRC calculation unit, 96-bit unique ID |
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