2.5 Program Counter (PC ) ................................................................................................... 8
2.6 User Stack Pointer (USP ) and Interrupt Stack Pointer (ISP )..................................... 8
2.7 Static Base Register (SB ) ............................................................................................. 8
2.8 Flag Register (FLG ) ....................................................................................................... 8
2.8.1 Carry Flag ( C Flag ) ................................................................................................................................ 8
2.8.2 Debug Flag ( D Flag ) .............................................................................................................................. 8
2.8.3 Zero Flag ( Z Flag ) .................................................................................................................................. 8
2.8.4 Sign Flag ( S Flag ) .................................................................................................................................. 8
2.8.5 Register Bank Select Flag ( B Flag ) ..................................................................................................... 8
2.8.6 Overflow Flag ( O Flag) ........................................................................................................................... 8
2.8.7 Interrupt Enable Flag ( I Flag ) ............................................................................................................... 8
2.8.8 Stack Pointer Select Flag ( U Flag ) ....................................................................................................... 8
2.8.10 Reserved Area ....................................................................................................................................... 8
Generally, the interrupt vector table of a 32-bit ARM embedded system is set before the program is compiled. When writing the interrupt service program of a 32-bit ARM embedded system, setting and mod...
[i=s]This post was last edited by dontium on 2015-1-23 11:23[/i][p=16, null, left][color=rgb(51, 51, 51)][font=Arial, Helvetica, sans-serif, 宋体][size=12px]The article is transferred from Texas Instrum...
This is a pure engineering problem. It is not mentioned in the textbooks, just like which end of an egg should be broken first, it will not be taught in school. There is a union data structure: typede...
Single NIC MIPSII platform, canceled VMINI and KITL settings, loaded NIC driver, then started NK.bin from hard disk, NIC cannot be recognized, what is the reason? Does anyone know?...
This article writes a program based on the SimpleMac protocol stack of 802.15.4/ZigBee to realize the communication between two STM32W108 wireless nodes. The nodes are divided into SUN nodes and PLANE...
[i=s]This post was last edited by mzb2012 on 2016-12-12 23:07[/i] [size=3][size=5]1. Introduction[/size]The I2C bus has two bidirectional serial lines, one data line SDA and one clock line SCL. SDA tr...
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introduction
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hint:
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