figure 4–1 a 3-bit timer. (a) schematic. (b) timing...
TRANSCRIPT
![Page 1: FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.epsem.upc.edu/~jesusv/uc8051_web/ppt_mackenzie/0130603864_pp0… · Pearson Prentice Hall Upper Saddle River, ... (d)](https://reader033.vdocument.in/reader033/viewer/2022042801/5aa6e31d7f8b9ab8228b7615/html5/thumbnails/1.jpg)
The 8051 Microcontroller, 4e
By I. Scott MacKenzie and Raphael C.-W. Phan
© 2007 Pearson Education, Inc.
Pearson Prentice Hall
Upper Saddle River, NJ 07458
FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.
![Page 2: FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.epsem.upc.edu/~jesusv/uc8051_web/ppt_mackenzie/0130603864_pp0… · Pearson Prentice Hall Upper Saddle River, ... (d)](https://reader033.vdocument.in/reader033/viewer/2022042801/5aa6e31d7f8b9ab8228b7615/html5/thumbnails/2.jpg)
The 8051 Microcontroller, 4e
By I. Scott MacKenzie and Raphael C.-W. Phan
© 2007 Pearson Education, Inc.
Pearson Prentice Hall
Upper Saddle River, NJ 07458
FIGURE 4–2 Timer modes (a) Mode 0 (b) Mode 1 (c) Mode 2 (d) Mode 3
![Page 3: FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.epsem.upc.edu/~jesusv/uc8051_web/ppt_mackenzie/0130603864_pp0… · Pearson Prentice Hall Upper Saddle River, ... (d)](https://reader033.vdocument.in/reader033/viewer/2022042801/5aa6e31d7f8b9ab8228b7615/html5/thumbnails/3.jpg)
The 8051 Microcontroller, 4e
By I. Scott MacKenzie and Raphael C.-W. Phan
© 2007 Pearson Education, Inc.
Pearson Prentice Hall
Upper Saddle River, NJ 07458
FIGURE 4–3 Clocking source
![Page 4: FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.epsem.upc.edu/~jesusv/uc8051_web/ppt_mackenzie/0130603864_pp0… · Pearson Prentice Hall Upper Saddle River, ... (d)](https://reader033.vdocument.in/reader033/viewer/2022042801/5aa6e31d7f8b9ab8228b7615/html5/thumbnails/4.jpg)
The 8051 Microcontroller, 4e
By I. Scott MacKenzie and Raphael C.-W. Phan
© 2007 Pearson Education, Inc.
Pearson Prentice Hall
Upper Saddle River, NJ 07458
FIGURE 4–4 Starting and stopping the timers
![Page 5: FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.epsem.upc.edu/~jesusv/uc8051_web/ppt_mackenzie/0130603864_pp0… · Pearson Prentice Hall Upper Saddle River, ... (d)](https://reader033.vdocument.in/reader033/viewer/2022042801/5aa6e31d7f8b9ab8228b7615/html5/thumbnails/5.jpg)
The 8051 Microcontroller, 4e
By I. Scott MacKenzie and Raphael C.-W. Phan
© 2007 Pearson Education, Inc.
Pearson Prentice Hall
Upper Saddle River, NJ 07458
FIGURE 4–5 Timer 1 operating in mode 1
![Page 6: FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.epsem.upc.edu/~jesusv/uc8051_web/ppt_mackenzie/0130603864_pp0… · Pearson Prentice Hall Upper Saddle River, ... (d)](https://reader033.vdocument.in/reader033/viewer/2022042801/5aa6e31d7f8b9ab8228b7615/html5/thumbnails/6.jpg)
The 8051 Microcontroller, 4e
By I. Scott MacKenzie and Raphael C.-W. Phan
© 2007 Pearson Education, Inc.
Pearson Prentice Hall
Upper Saddle River, NJ 07458
FIGURE 4–6 Waveform for example
![Page 7: FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.epsem.upc.edu/~jesusv/uc8051_web/ppt_mackenzie/0130603864_pp0… · Pearson Prentice Hall Upper Saddle River, ... (d)](https://reader033.vdocument.in/reader033/viewer/2022042801/5aa6e31d7f8b9ab8228b7615/html5/thumbnails/7.jpg)
The 8051 Microcontroller, 4e
By I. Scott MacKenzie and Raphael C.-W. Phan
© 2007 Pearson Education, Inc.
Pearson Prentice Hall
Upper Saddle River, NJ 07458
FIGURE 4–7 Buzzer example
![Page 8: FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.epsem.upc.edu/~jesusv/uc8051_web/ppt_mackenzie/0130603864_pp0… · Pearson Prentice Hall Upper Saddle River, ... (d)](https://reader033.vdocument.in/reader033/viewer/2022042801/5aa6e31d7f8b9ab8228b7615/html5/thumbnails/8.jpg)
The 8051 Microcontroller, 4e
By I. Scott MacKenzie and Raphael C.-W. Phan
© 2007 Pearson Education, Inc.
Pearson Prentice Hall
Upper Saddle River, NJ 07458
FIGURE 4–8 Timer 2 in 16-bit auto-reload mode
![Page 9: FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.epsem.upc.edu/~jesusv/uc8051_web/ppt_mackenzie/0130603864_pp0… · Pearson Prentice Hall Upper Saddle River, ... (d)](https://reader033.vdocument.in/reader033/viewer/2022042801/5aa6e31d7f8b9ab8228b7615/html5/thumbnails/9.jpg)
The 8051 Microcontroller, 4e
By I. Scott MacKenzie and Raphael C.-W. Phan
© 2007 Pearson Education, Inc.
Pearson Prentice Hall
Upper Saddle River, NJ 07458
FIGURE 4–9 Timer 2 in 16-bit capture mode
![Page 10: FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.epsem.upc.edu/~jesusv/uc8051_web/ppt_mackenzie/0130603864_pp0… · Pearson Prentice Hall Upper Saddle River, ... (d)](https://reader033.vdocument.in/reader033/viewer/2022042801/5aa6e31d7f8b9ab8228b7615/html5/thumbnails/10.jpg)
The 8051 Microcontroller, 4e
By I. Scott MacKenzie and Raphael C.-W. Phan
© 2007 Pearson Education, Inc.
Pearson Prentice Hall
Upper Saddle River, NJ 07458
FIGURE 4–10 Timing for modified buzzer example
![Page 11: FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.epsem.upc.edu/~jesusv/uc8051_web/ppt_mackenzie/0130603864_pp0… · Pearson Prentice Hall Upper Saddle River, ... (d)](https://reader033.vdocument.in/reader033/viewer/2022042801/5aa6e31d7f8b9ab8228b7615/html5/thumbnails/11.jpg)
The 8051 Microcontroller, 4e
By I. Scott MacKenzie and Raphael C.-W. Phan
© 2007 Pearson Education, Inc.
Pearson Prentice Hall
Upper Saddle River, NJ 07458
FIGURE 4–11 Turnstile problem
![Page 12: FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.epsem.upc.edu/~jesusv/uc8051_web/ppt_mackenzie/0130603864_pp0… · Pearson Prentice Hall Upper Saddle River, ... (d)](https://reader033.vdocument.in/reader033/viewer/2022042801/5aa6e31d7f8b9ab8228b7615/html5/thumbnails/12.jpg)
The 8051 Microcontroller, 4e
By I. Scott MacKenzie and Raphael C.-W. Phan
© 2007 Pearson Education, Inc.
Pearson Prentice Hall
Upper Saddle River, NJ 07458
FIGURE 4–12 Loudspeaker interface
![Page 13: FIGURE 4–1 A 3-bit timer. (a) Schematic. (b) Timing diagram.epsem.upc.edu/~jesusv/uc8051_web/ppt_mackenzie/0130603864_pp0… · Pearson Prentice Hall Upper Saddle River, ... (d)](https://reader033.vdocument.in/reader033/viewer/2022042801/5aa6e31d7f8b9ab8228b7615/html5/thumbnails/13.jpg)
The 8051 Microcontroller, 4e
By I. Scott MacKenzie and Raphael C.-W. Phan
© 2007 Pearson Education, Inc.
Pearson Prentice Hall
Upper Saddle River, NJ 07458
FIGURE 4–13 60 Hz time base