The 8051 Microcontroller and Embedded Systems, Volume 1For courses teaching the 8051 Microcontoller. This book uses a step-by-step approach to teach the fundamentals of assembly language programming and interfacing of the 8051 microcontroller. It uses many examples to clarify concepts. Simple, concise examples are utilized to show what action each instruction performs, then a sample is provided to show its application. This text provides a comprehensive understanding of the internal organization of the 8051 registers and resources in a way that sheds the student's fear of assembly language. Whether students become designers of stand-alone systems or complex embedded systems, they will find this text a useful resource. |
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Page 195
Receive interrupt flag . Set by hardware halfway through the stop bit time in mode 1. Must be cleared by software . RI SCON.O Note : Make SM2 , TB8 , and RB8 = 0 . Figure 10-9 . SCON Serial Port Control Register ( Bit Addressable ) SMO ...
Receive interrupt flag . Set by hardware halfway through the stop bit time in mode 1. Must be cleared by software . RI SCON.O Note : Make SM2 , TB8 , and RB8 = 0 . Figure 10-9 . SCON Serial Port Control Register ( Bit Addressable ) SMO ...
Page 198
The RI flag bit is monitored with the use of the instruction “ JNB RI , XX ” to see if an entire character has been received yet . 7. When RI is raised , SBUF has the byte . Its contents are moved into a safe place . 8.
The RI flag bit is monitored with the use of the instruction “ JNB RI , XX ” to see if an entire character has been received yet . 7. When RI is raised , SBUF has the byte . Its contents are moved into a safe place . 8.
Page 415
5 Receive clock flag . When set , causes the Serial Port to use Timer 2 overflow pulses for its receive clock in modes 1 & 3. RCLK O causes Timer I overflow to be used for the receive clock . TLCK T2CON . 4 Transmit clock nag .
5 Receive clock flag . When set , causes the Serial Port to use Timer 2 overflow pulses for its receive clock in modes 1 & 3. RCLK O causes Timer I overflow to be used for the receive clock . TLCK T2CON . 4 Transmit clock nag .
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Contents
CHAPTERS | 1 |
The 8051 Microcontrollers | 23 |
8051 ASSEMBLY LANGUAGE PROGRAMMING | 35 |
Copyright | |
18 other sections not shown
Other editions - View all
The 8051 Microcontroller and Embedded Systems: Using Assembly and C Mazidi Muhammad Ali No preview available - 2007 |
Common terms and phrases
ACALL accumulator activated addition addressing mode ASCII assembler assigned Assume BACK bank baud rate binary bit addresses byte called carry Chapter chip clear command communication connected contents convert counter cycle decimal delay devices direct discussed DJNZ DPTR enable Example execution external Figure Find flag frequency Function gates ground hardware indicate input instruction interfacing internal interrupt jump latch load logic loop machine memory microcontroller mode MOVX Note Notice on-chip operand operation output pointer port provides pulse RAM location receive referred result serial SETB Show shown signal SJMP Solution space stack steps stop subroutine Table timer transfer True or false Write a program XTAL
Bibliographic information
| Title | The 8051 Microcontroller and Embedded Systems, Volume 1 The 8051 Microcontroller and Embedded Systems, Muhammad Ali Mazidi |
| Authors | Muhammad Ali Mazidi, Janice Gillispie Mazidi |
| Edition | illustrated |
| Publisher | Prentice Hall, 2000 |
| Original from | the University of Michigan |
| Digitized | 5 Aug 2011 |
| ISBN | 0138610223, 9780138610227 |
| Length | 435 pages |
| Subjects | › House & Home / Equipment, Appliances & Supplies |
| Export Citation | BiBTeX EndNote RefMan |