STM32G474VB中文资料意法半导体数据手册PDF规格书

特性 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 170 MHz

with 213 DMIPS, MPU, DSP instructions

• Operating conditions:

– VDD, VDDA voltage range:

1.71 V to 3.6 V

• Mathematical hardware accelerators

– CORDIC for trigonometric functions

acceleration

– FMAC: Filter mathematical accelerator

• Memories

– 512 Kbytes of Flash memory with ECC

support, two banks read-while-write,

proprietary code readout protection

(PCROP), securable memory area, 1 Kbyte

OTP

– 96 Kbytes of SRAM, with hardware parity

check implemented on the first 32 Kbytes

– Routine booster: 32 Kbytes of SRAM on

instruction and data bus, with hardware

parity check (CCM SRAM)

– External memory interface for static

memories FSMC supporting SRAM,

PSRAM, NOR and NAND memories

– Quad-SPI memory interface

• Reset and supply management

– Power-on/power-down reset

(POR/PDR/BOR)

– Programmable voltage detector (PVD)

– Low-power modes: sleep, stop, standby

and shutdown

– VBAT supply for RTC and backup registers

• Clock management

– 4 to 48 MHz crystal oscillator

– 32 kHz oscillator with calibration

– Internal 16 MHz RC with PLL option (± 1%)

• Up to 107 fast I/Os

– All mappable on external interrupt vectors

– Several I/Os with 5 V tolerant capability

• Interconnect matrix

• 16-channel DMA controller

• 25 x 12-bit ADCs 0.25 µs, up to 42 channels.

Resolution up to 16-bit with hardware

oversampling, 0 to 3.6 V conversion range

• 7 x 12-bit DAC channels

– 3 x buffered external channels 1 MSPS

– 4 x unbuffered internal channels 15 MSPS

• 7 x ultra-fast rail-to-rail analog comparators

• 6 x operational amplifiers that can be used in

PGA mode, all terminals accessible

• Internal voltage reference buffer (VREFBUF)

supporting three output voltages (2.048 V,

2.5 V, 2.95 V)

• 17 timers:

– HRTIM (Hi-Resolution and complex

waveform builder): 6 x16-bit counters,

184 ps resolution, 12 PWM

– 2 x 32-bit timer and 2 x 16-bit timers with

up to four IC/OC/PWM or pulse counter

and quadrature (incremental) encoder input

– 3 x 16-bit 8-channel advanced motor

control timers, with up to 8 x PWM