timers counter mcs-51

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Page 1: Timers counter MCS-51

Introducción

Page 2: Timers counter MCS-51

Introducción

Page 3: Timers counter MCS-51

Introducción

Page 4: Timers counter MCS-51

Page 5: Timers counter MCS-51

Características Básicas

Page 6: Timers counter MCS-51

Características Básicas

Page 7: Timers counter MCS-51

Hardware Involucrado

Page 8: Timers counter MCS-51

Diagrama de Bloques

Page 9: Timers counter MCS-51

Diagrama de Bloques

Page 10: Timers counter MCS-51

Diagrama de Bloques

Page 11: Timers counter MCS-51

Diagrama de Bloques

Page 12: Timers counter MCS-51

Diagrama de Bloques

Page 13: Timers counter MCS-51

Diagrama de Bloques

Page 14: Timers counter MCS-51

Registros TMOD y TCON

Page 15: Timers counter MCS-51

Registros TMOD y TCON

Page 16: Timers counter MCS-51

Registros TMOD y TCON

Page 17: Timers counter MCS-51

Registros TMOD y TCON

Page 18: Timers counter MCS-51

Registros TMOD y TCON

Page 19: Timers counter MCS-51

Registros TMOD y TCON

Page 20: Timers counter MCS-51

Registros TMOD y TCON

Page 21: Timers counter MCS-51

Registros TMOD y TCON

Page 22: Timers counter MCS-51

Registros TMOD y TCON

Page 23: Timers counter MCS-51

Registros TMOD y TCON

Page 24: Timers counter MCS-51

Registros TMOD y TCON

Page 25: Timers counter MCS-51

EjemploSe desea temporizar un intervalo de 125 µS. ¿Con que valor debemos cargar al timer?Para un oscilador de 12 Mhz:

Duración del ciclo de máquina:

Intervalo(125 µS) = = Cuenta

Si se utilizan 8 Bits: 256-125 = 131= 83H THx=? TLx=131Si se utilizan 16 Bits: 65536-125 = 65411=FF83H THx=255 TLx=131

Page 26: Timers counter MCS-51

Modos de Funcionamiento

Page 27: Timers counter MCS-51

Modos de Funcionamiento

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Modos de Funcionamiento

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Modos de Funcionamiento

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Modos de Funcionamiento

Page 31: Timers counter MCS-51

Ejemplo

Page 32: Timers counter MCS-51

Ejemplo

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