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STM32G070CBT6 技术参数与型号解析产品类别:32 位 Arm Cortex-M0+ 微控制器(MCU)
- 所属系列:STM32G0 / STM32G070 value line
- 工作状态:量产中(Active / volume production)
- 典型定位:低成本通用控制、工业/家电控制、IoT 边缘节点
一、基础信息
- 厂商:STMicroelectronics(意法半导体)
- 产品类别:32 位 Arm Cortex-M0+ 微控制器(MCU)
- 所属系列:STM32G0 / STM32G070 value line
- 工作状态:量产中(Active / volume production)
- 典型定位:低成本通用控制、工业/家电控制、IoT 边缘节点
二、关键技术参数
- CPU 内核:Arm Cortex-M0+,32 位 RISC
- 最高主频:64 MHz
- Flash:128 KB
- SRAM:36 KB(其中 32 KB 具备硬件奇偶校验)
- 工作电压:2.0 V 至 3.6 V
- 工作温度:-40°C 至 +85°C
- 封装:LQFP-48
- ADC:1 个 12 位 ADC,最高 2.5 MSps,最多 19 个通道
- 定时器:11 个定时器,包含高级控制 PWM 定时器、通用定时器、基础定时器、看门狗
- 通信接口:2 路 I2C、4 路 USART、2 路 SPI
- 其他特性:DMA、RTC、CRC、低功耗 Sleep / Stop / Standby、SWD 调试、VBAT 供电
- GPIO:最高可到 59 路快速 I/O,具体随封装而变化
三、型号含义解析
- STM32:ST 的 32 位微控制器产品线
- G070:STM32G0 系列中的 value line 细分型号
- C:48 引脚等级,对应 48 引脚封装档位
- B:Flash 容量代码,表示 128 KB Flash
- T:封装代码,表示 LQFP 封装
- 6:温度等级代码,通常表示 -40°C 至 +85°C
四、实际应用场景
- 工业控制:继电器板、传感器采集、485/RS232 节点、简单 PLC 辅助板
- 家电控制:风扇、水泵、加热、按键面板、状态显示
- 电源与充电设备:充电器控制、适配器管理、轻量级电源监测
- IoT 节点:低功耗采集、数据上报、边缘协议转换
- 多串口外设:串口扩展、协议转换模块、调试工具板
五、选型提示
- 优点:128 KB Flash 和 36 KB SRAM 比 G030 更宽裕,适合稍复杂的控制逻辑。
- 注意:它仍然是 M0+ 内核,不适合对算力要求很高的图形、复杂算法或重协议栈场景。
- 如果需要更强外设或性能:可考虑 STM32F103/F4 或更高系列。
- 如果只要极低成本且程序很小:STM32G030 系列通常更省。
六、参考来源
- ST 官方产品页:STM32G070CB
- ST 官方数据手册:STM32G070CB/KB/RB(DS12766)
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