7906 datasheet(10/531 Pages) RENESAS

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7906 Group User’s Manual Rev.2.0

iii

Table of contents

[Precautions for timer mode] .................................................................................................. 7-17

7.4 Event counter mode ........................................................................................................... 7-18

7.4.1 Setting for event counter mode ................................................................................. 7-21

7.4.2 Operation in event counter mode .............................................................................. 7-23

7.4.3 Switching between countup and countdown ............................................................ 7-24

7.4.4 Selectable functions ..................................................................................................... 7-26

[Precautions for event counter mode] .................................................................................. 7-28

7.5 One-shot pulse mode ......................................................................................................... 7-29

7.5.1 Setting for one-shot pulse mode ............................................................................... 7-31

7.5.2 Trigger ........................................................................................................................... 7-33

7.5.3 Operation in one-shot pulse mode ............................................................................ 7-35

[Precautions for one-shot pulse mode] ................................................................................ 7-37

7.6 Pulse width modulation (PWM) mode ............................................................................ 7-38

7.6.1 Setting for PWM mode ................................................................................................ 7-40

7.6.2 Trigger ........................................................................................................................... 7-42

7.6.3 Operation in PWM mode ............................................................................................. 7-43

[Precautions for pulse width modulation (PWM) mode] ................................................... 7-47

CHAPTER 8. TIMER B

8.1 Overview .................................................................................................................................. 8-2

8.2 Block description .................................................................................................................. 8-2

8.2.1 Counter and Reload register (timer Bi register) ........................................................ 8-3

8.2.2 Count start register ........................................................................................................ 8-4

8.2.3 Timer Bi mode register ................................................................................................. 8-4

8.2.4 Timer Bi interrupt control register ................................................................................ 8-5

8.2.5 Port P2 direction register, Port P5 direction register ............................................... 8-6

8.2.6 Count source (in timer mode and pulse period/pulse width measurement mode) ......... 8-7

8.3 Timer mode ............................................................................................................................. 8-8

8.3.1 Setting for timer mode ................................................................................................. 810

8.3.2 Operation in timer mode ............................................................................................. 8-11

[Precautions for timer mode] .................................................................................................. 8-12

8.4 Event counter mode ........................................................................................................... 8-13

8.4.1 Count source ................................................................................................................ 8-15

8.4.2 Setting for event counter mode ................................................................................. 8-16

8.4.3 Operation in event counter mode .............................................................................. 8-17

[Precautions for event counter mode] .................................................................................. 8-18

8.5 Pulse period/Pulse width measurement mode ............................................................. 8-19

8.5.1 Setting for pulse period/pulse width measurement mode ...................................... 8-22

8.5.2 Operation in pulse period/pulse width measurement mode ................................... 8-23

[Precautions for pulse period/pulse width measurement mode] .................................... 8-29

CHAPTER 9. PULSE OUTPUT PORT MODE

9.1 Overview .................................................................................................................................. 9-2

9.2 Block description .................................................................................................................. 9-3

9.2.1 Waveform output mode register ................................................................................... 9-4

9.2.2 Three-phase output data registers 0, 1 ...................................................................... 9-6

9.2.3 Port P2 direction register, Port P7 direction register ............................................... 9-9

9.2.4. Timers A0 to A4 .......................................................................................................... 9-11

9.2.5. Pin P6OUTCUT (pluse-output-cutoff signal input pin) .............................................. 9-13

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