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                                样例使用说明
                             Sample Description
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功能描述:
此样例演示了ESMC在间接模式下的polling传输功能，对P25Q64的芯片进行擦除，写入数据，
读取数据，然后把读取的数据和写入的数据进行对比，数据正确则LED灯闪烁，否则LED灯
不闪烁。

Function descriptions:
This example demonstrates the polling transmission function of ESMC in indirect
mode, erasing, writing data, reading data on the P25Q64 chip, and then comparing
the read data with the written data. If the data is correct, the LED light will
flash, otherwise the LED light will not flash.
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测试环境：
测试用板：PY32F403_STK
MDK版本： 5.28
IAR版本： 9.20
GCC版本：GNU Arm Embedded Toolchain 10.3-2021.10

Test environment:
Test board: PY32F403_STK
MDK Version: 5.28
IAR Version: 9.20
GCC Version: GNU Arm Embedded Toolchain 10.3-2021.10
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使用步骤:
1.编译下载程序，并运行，
2.可观察到LED灯闪烁

Example execution steps:
1. Compile and download the program, and run it,
2. LED flashing can be observed
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注意事项:
接线方式:
P25Q64           MCU
CLK         ->   PB10
SS0（CS）   ->   PA2
IO0（SI）   ->   PB1
IO1（SO）   ->   PB0
IO2（WP）   ->   PA7
IO3（HOLD） ->   PA6

Notes:
Wiring method:
P25Q64           MCU
CLK         ->   PB10
SS0 (CS)    ->   PA2
IO0 (SI)    ->   PB1
IO1 (SO)    ->   PB0
IO2 (WP)    ->   PA7
IO3 (HOLD)  ->   PA6
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