通常是由复位期间采样引脚进入ISP模式。这应用笔记介绍了ISP模式，在运行用户代码时也可以进入ISP的方法。 AN10356
Entering ISP mode from user code
Rev. 03 ― 13 September 2006 Application note
Document information
Info Content
Keywords ARM ISP, bootloader
Abstract Entering ISP mode is normally done by sampling a pin during reset. This
application note describes a method whereby ISP mode may be entered
while running in user code.
NXP Semiconductors AN10356
Entering ISP mode from user code
Revision history
Rev Date Description
03 20060913 1. In sec……
