STM32G4x4高分辨率系列专门针对数字电源转换应用,例如D-SMPS、照明、焊接、太阳能系统逆变器及无线充电器。
STM32G4x4的主要外设有:
- 高分辨率定时器:184 ps,对供电和温度漂移可实现自补偿
- 5个超快速12位ADC(4 Msamples/s)
- 7个12位DAC(15 Msamples/s)
- 7个超快速比较器(17纳秒)
- 6个具有可编程增益的运算放大器
- ART、CCM SRAM、以及数学运算加速器
- 双bank闪存
- 最多3个CAN-FD
- USB 2.0全速数据接口(器件)
- USB Type-C™和电力传输控制器(UCPD)
高分辨率定时器共由7个定时器组成:
- 12个PWM输出(可以成对耦合)
- 10个外部状态输入(电流限制、零电压/零电流检测等)和6个故障输入
高分辨率定时器的主要特性如下:
- 184 ps 分辨率(适用于所有操作模式)
- 可变占空比、可变频率和临界模式
- 许多可降低CPU负荷的特性
- 谷值跳过模式和斜坡补偿
- 每个定时器都有一路DMA通道
- 内置的突发模式控制器和特定拓扑的模式:推挽和谐振。
- 定时器之间的大量互连用于:
- 复位/启动相邻定时器
- 设定 / 复位 / 切换其他输出
- 易于编程实现的简单高分辨率执行流程(等同于4.6 GHz的定时器)

精选 视频
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STM32G474CB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G474QB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G474VE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G474VC
Mainstream Arm Cortex-M4 MCU 170 MHz with 256 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G474VB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G484QE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration, Crypto
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STM32G474ME
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G484VE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration, Crypto
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STM32G474RE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G474PC
Mainstream Arm Cortex-M4+ MCU 170 MHz with 256 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G484ME
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration, Crypto
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STM32G474RC
Mainstream Arm Cortex-M4 MCU 170 MHz with 256 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G474MC
Mainstream Arm Cortex-M4+ MCU 170MHz with 256Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G474MB
Mainstream Arm Cortex-M4+ MCU 170MHz with 128Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G484RE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration, Crypto
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STM32G474RB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G484CE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration, Crypto
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STM32G474CE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G474QE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G474CC
Mainstream Arm Cortex-M4 MCU 170 MHz with 256 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G474QC
Mainstream Arm Cortex-M4 MCU 170 MHz with 256 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G474PE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G474PB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration
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STM32G484PE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, HR Timer, High Analog level integration, Crypto