With the interrupt expansion method provided by the invention, processing speed of the multiple interrupt sources in 8051 CPU system can be effectively improved.薛重阳
摘要: Recommends the use of a 'pseudo-RETI' instruction to provide a three-priority-level interrupt system for the 8051 microcontroller. Interrupt sources in the routine.关键词: peak-cut electric double-layer capacitor energy storage system chopper power electronics ...
For example, there are 5 interrupt sources in 8051, and there are 6 interrupt sources in 8052. Now, 8051 is the case Interrupt source interrupt service entry address interrupt flag External interrupt INT0 0003H IE0 Timer T0 000BH TF0 External interrupt INT1 0013H IE1 Timer T1 001BH TF1 ...
There are sources of interrupt in 8051 MCU. 暂无答案
PIC16F887 微控制器具代表性的中断来源(interrupt sources) 显示在下一页。注意几件事情:● GIE bit – 启用所有未遮罩的中 … coopermaa2nd.blogspot.tw|基于3个网页 3. 个中断源 集成电路-8051... ... 5 channels of PCA.5 通道可编程计数阵列 11interrupt sources1 1个中断源... ...
Two,interruptandusingintheC51interrupt IncludingthebasicstructureoftheMCU8051series:32I/O port(4group8bitport);two16bittimercounter;fullduplex serialcommunication;6interruptsources(2,2external interrupttimer/Counterinterrupt,1serialinput/output interrupt,interruptpriorityleveltwo);128thebuilt-inRAM ...
4、errupt sources (2 external interrupts, 2 timing/counter interrupts, 1 serial input/output interrupts), and two levels interrupt priority; 128 bytes of built-in ram; independent 64k byte addressable data and code areas when the interrupt occurs, mcu goes to one of the five interrupt entry ...
So it is the mistake in datasheet, is it? No. The P0 interrupt, seen from the 8051 core, is a level source. This means that it is not the line that you underlined that applies, but the last sentence: "For level sources, one must clear the source prior to clearing the CPU flag....
[0026] This embodiment provides an interrupt processing method in the present embodiment, the microcontroller 8051 will be described as an example. [0027] 如图1所示,所述方法包括: [0027] Figure 1 shows, the method comprising: [0028] 101、在每条指令的最后一个时钟周期进行中断仲裁,判断是否会阻塞...
For example, in the Intel 8051 microcomputer, each of five interrupt sources may have either a high of a low priority level depending upon the state of a corresponding user-accessible control bit. Within each level, the relative priority of the several sources is fixed. Although a high-priorit...