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参数资料
| 型号： | STM32F207VET7TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 120 MHz, RISC MICROCONTROLLER, PQFP100 |
| 封装： | 14 X 14 MM, ROHS COMPLIANT, LQFP-100 |
| 文件页数： | 68/163页 |
| 文件大小： | 2275K |
| 代理商： | STM32F207VET7TR |
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Description
STM32F205xx, STM32F207xx
Doc ID 15818 Rev 7
2.2.1
ARM Cortex-M3 core with embedded Flash and SRAM
The ARM Cortex-M3 processor is the latest generation of ARM processors for embedded
systems. It was developed to provide a low-cost platform that meets the needs of MCU
implementation, with a reduced pin count and low-power consumption, while delivering
outstanding computational performance and an advanced response to interrupts.
The ARM Cortex-M3 32-bit RISC processor features exceptional code-efficiency, delivering
the high-performance expected from an ARM core in the memory size usually associated
with 8- and 16-bit devices.
With its embedded ARM core, the STM32F205xx and STM32F207xx family is compatible
with all ARM tools and software.
Figure 1 shows the general block diagram of the STM32F20x family.
2.2.2
Memory protection unit
The memory protection unit (MPU) is used to separate the processing of tasks from the data
protection. The MPU can manage up to 8 protection areas that can all be further divided up
into 8 subareas. The protection area sizes are between 32 bytes and the whole 4 gigabytes
of addressable memory.
The memory protection unit is especially helpful for applications where some critical or
certified code has to be protected against the misbehavior of other tasks. It is usually
managed by an RTOS (real-time operating system). If a program accesses a memory
location that is prohibited by the MPU, the RTOS can detect it and take action. In an RTOS
environment, the kernel can dynamically update the MPU area setting, based on the
process to be executed.
The MPU is optional and can be bypassed for applications that do not need it.
2.2.3
Adaptive real-time memory accelerator (ART Accelerator)
The ART Accelerator is a memory accelerator which is optimized for STM32 industry-
standard ARM Cortex-M3 processors. It balances the inherent performance advantage
of the ARM Cortex-M3 over Flash memory technologies, which normally requires the
processor to wait for the Flash memory at higher operating frequencies.
To release the processor full 150 DMIPS performance at this frequency, the accelerator
implements an instruction prefetch queue and branch cache which increases program
execution speed from the 128-bit Flash memory. Based on CoreMark benchmark, the
performance achieved thanks to the ART accelerator is equivalent to 0 wait state program
execution from Flash memory at a CPU frequency up to 120 MHz.
2.2.4
Embedded Flash memory
The STM32F20x devices embed a 128-bit wide Flash memory of 128 Kbytes, 256 Kbytes,
512 Kbytes, 768 Kbytes or 1 Mbytes available for storing programs and data.
The devices also feature 512 bytes of OTP memory that can be used to store critical user
data such as Ethernet MAC addresses or cryptographic keys.
相关PDF资料 |
PDF描述 |
|---|---|
| STM32F207VFT6XXX | 32-BIT, FLASH, 120 MHz, RISC MICROCONTROLLER, PQFP100 |
| STM32F205RBY6XXX | 32-BIT, FLASH, 120 MHz, RISC MICROCONTROLLER, PBGA66 |
| STM32F205ZFT7XXX | 32-BIT, FLASH, 120 MHz, RISC MICROCONTROLLER, PQFP144 |
| STM32F207IFT6TR | 32-BIT, FLASH, 120 MHz, RISC MICROCONTROLLER, PQFP176 |
| STM32F205REY7XXX | 32-BIT, FLASH, 120 MHz, RISC MICROCONTROLLER, PBGA66 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| STM32F207VFT6 | 功能描述:ARM微控制器 - MCU 32BIT ARM Cortex M3 Connectivity 768kB RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 处理器系列:STM32F373xx 数据总线宽度:32 bit 最大时钟频率:72 MHz 程序存储器大小:256 KB 数据 RAM 大小:32 KB 片上 ADC:Yes 工作电源电压:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LQFP-48 安装风格:SMD/SMT |
| STM32F207VFT6TR | 功能描述:32位微控制器 - MCU High Perf ARM 32Bit 768kB Flash 100-Pin RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT |
| STM32F207VGT6 | 功能描述:ARM微控制器 - MCU 32BIT ARM Cortex M3 Connectivity 1024kB RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 处理器系列:STM32F373xx 数据总线宽度:32 bit 最大时钟频率:72 MHz 程序存储器大小:256 KB 数据 RAM 大小:32 KB 片上 ADC:Yes 工作电源电压:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LQFP-48 安装风格:SMD/SMT |
| STM32F207VGT6J | 制造商:STMicroelectronics 功能描述:MCU 32BIT CORTEX-M3 120MHZ LQFP-100 制造商:STMicroelectronics 功能描述:MCU, 32BIT, CORTEX-M3, 120MHZ, LQFP-100 制造商:STMicroelectronics 功能描述:MCU, 32BIT, CORTEX-M3, 120MHZ, LQFP-100, Controller Family/Series:STM32F, Core S |
| STM32F207VGT7 | 功能描述:ARM微控制器 - MCU 32-Bit ARM Cortex 1024kb Connectivity RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 处理器系列:STM32F373xx 数据总线宽度:32 bit 最大时钟频率:72 MHz 程序存储器大小:256 KB 数据 RAM 大小:32 KB 片上 ADC:Yes 工作电源电压:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LQFP-48 安装风格:SMD/SMT |
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