STM32F372xx STM32F373xx参数手册 英文

STM32F372xx STM32F373xx
ARM?-Cortex-M4 32b MCU+FPU,up to 256KB Flash+32KB SRAM
4 ADCs (12- & 16-bit), 3 DACs, 2 comp., timers, 2.0-3.6V 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)
■ Memories
– 64 to 256 Kbytes of Flash memory
– 32  Kbytes of SRAM with HW parity check
■ 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
– 2.0 to 3.6 V
– POR, PDR and PVD
■ Low power
– Sleep, Stop, and Standby modes
– VBAT
supply for RTC and backup registers
(1.65 V to 3.6 V)
■ 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 3 x 16-bit Sigma Delta ADC with separate
analog supply from 2.2 V to 3.6 V, up to 21
single/ 11 diff channels, 7 programmable gains
per channel
■ 1 x 12-bit, 1 ?s ADC with separate analog
supply from 2.4 V to 3.6 V
■ Up to 2 fast rail-to-rail analog comparators
■ Temperature sensor
■ Up to 3 x 12-bit DAC channels
■ Support for up to 24 capacitive sensing keys
■ Up to 84 fast I/O ports, all mappable on ext.
interrupt vectors, and several 5 V-tolerant
■ 17 timers
– 2 x 32-bit timer and 3 x 16-bit timers with up
to 4 IC/OC/PWM or pulse counter
– 2 x 16-bit timers with up to 2 IC/OC/PWM
or pulse counter
– 4 x 16-bit timers with up to 1 IC/OC/PWM
or pulse counter
– 2 x watchdog timers (independent, window)
– SysTick timer: 24-bit downcounter
– 3 x 16-bit basic timers to drive the DAC
■ Communication interfaces
– CAN interface (2.0B Active)
– USB 2.0 full speed interface
– 2 x I
2
C with 20 mA current sink to support
Fast mode plus
– Up to 3 USARTs (ISO 7816 interface, LIN,
IrDA, modem control, autobaudrate)
– Up to 3 SPIs, with muxed I
2
S
– CRC calculation unit, 96-bit unique ID
– HDMI-CEC bus interface