PDF洗MD提示词 v5 实验测试 — PM0214样张6页

- source/: PyMuPDF 提取的原始文本（p1/p2/p12/p13/p51/p52）
- output/: v5提示词处理后的Markdown结果
- output/imgs/: 封面占位符

Co-Authored-By: Claude <noreply@anthropic.com>

source/page_13.txt

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+PM0214 Rev 10
+13/262
+PM0214
+About this document
+261
+1.3 
+About the STM32 Cortex-M4 processor and core peripherals
+The Cortex-M4 processor is a high performance 32-bit processor designed for the 
+microcontroller market. It offers significant benefits to developers, including:
+•
+outstanding processing performance combined with fast interrupt handling
+•
+enhanced system debug with extensive breakpoint and trace capabilities
+•
+efficient processor core, system and memories
+•
+ultra-low power consumption with integrated sleep modes
+•
+platform security robustness, with integrated memory protection unit (MPU).
+The Cortex-M4 processor is built on a high-performance processor core, with a 3-stage 
+pipeline Harvard architecture, making it ideal for demanding embedded applications. The 
+processor delivers exceptional power efficiency through an efficient instruction set and 
+extensively optimized design, providing high-end processing hardware including IEEE754-
+compliant single-precision floating-point computation, a range of single-cycle and SIMD 
+multiplication and multiply-with-accumulate capabilities, saturating arithmetic and dedicated 
+hardware division.
+Figure 1. STM32 Cortex-M4 implementation
+read/clear (rc_w1)
+Software can read as well as clear this bit by writing 1.  
+Writing '0' has no effect on the bit value.
+read/clear (rc_w0)
+Software can read as well as clear this bit by writing 0.  
+Writing '1' has no effect on the bit value.
+toggle (t)
+Software can only toggle this bit by writing '1'. Writing '0' has no effect.
+Reserved (Res.)
+Reserved bit, must be kept at reset value.
+Embedded 
+Trace Macrocell
+NVIC
+Debug 
+access 
+port
+Memory
+protection unit
+Serial 
+wire 
+viewer
+Bus matrix
+Code 
+interface
+SRAM and 
+peripheral interface
+Data 
+watchpoints
+Flash
+patch
+Cortex-M4 
+processor
+FPU
+Processor
+core