Microchip Technology dsPIC33F Family Manual de usuario

© 2010 Microchip Technology Inc. DS70205C-page 11-1Timers11Section 11. TimersHIGHLIGHTSThis section of the manual contains the following major topics:

dsPIC33F/PIC24H Family Reference ManualDS70205C-page 11-10 © 2010 Microchip Technology Inc.11.4 MODES OF OPERATIONThe Timer module can operate in one

© 2010 Microchip Technology Inc. DS70205C-page 11-11Section 11. TimersTimers11Example 11-1: Initialization Code for 16-Bit Timer ModeFigure 11-4: Inte

dsPIC33F/PIC24H Family Reference ManualDS70205C-page 11-12 © 2010 Microchip Technology Inc.11.4.2 Gated Timer ModeWhen the Timer module operates with

© 2010 Microchip Technology Inc. DS70205C-page 11-13Section 11. TimersTimers1111.4.3 Synchronous Counter ModeIn Synchronous Counter mode, the input cl

dsPIC33F/PIC24H Family Reference ManualDS70205C-page 11-14 © 2010 Microchip Technology Inc.11.4.4 Asynchronous Counter Mode (Type A Timer only)A Type

© 2010 Microchip Technology Inc. DS70205C-page 11-15Section 11. TimersTimers1111.5 TIMER INTERRUPTSA timer interrupt is generated:• On a period match

dsPIC33F/PIC24H Family Reference ManualDS70205C-page 11-16 © 2010 Microchip Technology Inc.11.6 32-BIT TIMER CONFIGURATIONA 32-bit Timer module can b

© 2010 Microchip Technology Inc. DS70205C-page 11-17Section 11. TimersTimers11The input clock (FCY or TxCK) to all 32-bit timers has prescale options

dsPIC33F/PIC24H Family Reference ManualDS70205C-page 11-18 © 2010 Microchip Technology Inc.Figure 11-6: Type B/Type C Timer Pair Block Diagram (32-Bit

© 2010 Microchip Technology Inc. DS70205C-page 11-19Section 11. TimersTimers1111.7 32-BIT TIMER MODES OF OPERATION11.7.1 Timer ModeThe 32-bit timer o

dsPIC33F/PIC24H Family Reference ManualDS70205C-page 11-2 © 2010 Microchip Technology Inc.11.1 INTRODUCTIONThe dsPIC33F/PIC24H device family offers s

dsPIC33F/PIC24H Family Reference ManualDS70205C-page 11-20 © 2010 Microchip Technology Inc.11.7.3 Synchronous Counter ModeThe 32-bit timer operates si

© 2010 Microchip Technology Inc. DS70205C-page 11-21Section 11. TimersTimers1111.8 TIMER OPERATION IN POWER-SAVING MODES11.8.1 Timer Operation in Sle

dsPIC33F/PIC24H Family Reference ManualDS70205C-page 11-22 © 2010 Microchip Technology Inc.11.9 PERIPHERALS USING TIMER MODULES11.9.1 Time Base for I

© 2010 Microchip Technology Inc. DS70205C-page 11-23Section 11. TimersTimers1111.10 REGISTER MAPA summary of the Special Function Registers (SFRs) as

dsPIC33F/PIC24H Family Reference ManualDS70205C-page 11-24 © 2010 Microchip Technology Inc.11.11 RELATED APPLICATION NOTESThis section lists applicat

© 2010 Microchip Technology Inc. DS70205C-page 11-25Section 11. TimersTimers1111.12 REVISION HISTORYRevision A (April 2007)This is the initial releas

dsPIC33F/PIC24H Family Reference ManualDS70205C-page 11-26 © 2010 Microchip Technology Inc.NOTES:

© 2010 Microchip Technology Inc. DS70205C-page 11-3Section 11. TimersTimers1111.2 TIMER VARIANTSThis section describes the different types of timers

dsPIC33F/PIC24H Family Reference ManualDS70205C-page 11-4 © 2010 Microchip Technology Inc.11.2.2 Type B TimerTimer2, Timer4, Timer6 and Timer8, if pre

© 2010 Microchip Technology Inc. DS70205C-page 11-5Section 11. TimersTimers1111.2.3 Type C TimerTimer3, Timer5, Timer7 and Timer9, if present, are Typ

dsPIC33F/PIC24H Family Reference ManualDS70205C-page 11-6 © 2010 Microchip Technology Inc.11.3 CONTROL REGISTERSThis section outlines the functions o

© 2010 Microchip Technology Inc. DS70205C-page 11-7Section 11. TimersTimers11 Register 11-1: TxCON: Type A Timer Control Register (x = 1)R/W-0 U-0 R/W

dsPIC33F/PIC24H Family Reference ManualDS70205C-page 11-8 © 2010 Microchip Technology Inc. Register 11-2: TxCON: Type B Timer Control Register (x = 2,

© 2010 Microchip Technology Inc. DS70205C-page 11-9Section 11. TimersTimers11 Register 11-3: TxCON: Type C Timer Control Register (x = 3, 5, 7, 9)R/W-