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STM32G474QBT6 The Cortex-M4 core features a single-precision floating-point unit (FPU), which supports all the Arm single-precision data-processing instructions and all the data types. It also implements a full set of DSP (digital signal processing) instructions and a memory protection unit (MPU) which enhances the application’s security.

Product Attributes

Core Processor: ARM® Cortex®-M4

Core Size: 32-Bit

Speed: 170MHz

Number of I/O: 107

Program Memory Size: 128KB (128K x 8)

Program Memory Type: FLASH

RAM Size: 128K x 8

Voltage - Supply (Vcc/Vdd): 1.71V ~ 3.6V

Data Converters: A/D 42x12b SAR; D/A 7x12b

Operating Temperature: -40°C ~ 85°C (TA)

Features

4 to 48 MHz crystal oscillator

32 kHz oscillator with calibration

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

Internal 32 kHz RC oscillator (± 5%)

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

5 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

STM32G474QBT6 is based on the high-performance Arm® Cortex®-M4 32-bit RISC core. They operate at a frequency of up to 170 MHz.

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