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STM32F101X6 bảng dữ liệu(PDF) 9 Page - STMicroelectronics |
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STM32F101X6 bảng dữ liệu(HTML) 9 Page - STMicroelectronics |
9 / 74 page STM32F101xx Description 9/74 2.2 Overview ARM® CortexTM-M3 core with embedded Flash and SRAM The ARM Cortex™-M3 processor is the latest generation of ARM processors for embedded systems. It has been 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 system 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. The STM32F101xx access line family having an embedded ARM core, is therefore compatible with all ARM tools and software. Embedded Flash memory Up to 128 Kbytes of embedded Flash is available for storing programs and data. Embedded SRAM Up to 16 Kbytes of embedded SRAM accessed (read/write) at CPU clock speed with 0 wait states. Nested vectored interrupt controller (NVIC) The STM32F101xx access line embeds a nested vectored interrupt controller able to handle up to 43 maskable interrupt channels (not including the 16 interrupt lines of Cortex™-M3) and 16 priority levels. ● Closely coupled NVIC gives low latency interrupt processing ● Interrupt entry vector table address passed directly to the core ● Closely coupled NVIC core interface ● Allows early processing of interrupts ● Processing of late arriving higher priority interrupts ● Support for tail-chaining ● Processor state automatically saved ● Interrupt entry restored on interrupt exit with no instruction overhead This hardware block provides flexible interrupt management features with minimal interrupt latency. External interrupt/event controller (EXTI) The external interrupt/event controller consists of 19 edge detectors lines used to generate interrupt/event requests. Each line can be independently configured to select the trigger event (rising edge, falling edge, both) and can be masked independently. A pending register maintains the status of the interrupt requests. The EXTI can detect external line with pulse width lower than the Internal APB2 clock period. Up to 80 GPIOs are connected to the 16 external interrupt lines. |
Số phần tương tự - STM32F101X6 |
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Mô tả tương tự - STM32F101X6 |
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