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10.8 TOU (Output-Related 24-Bit Timer)

MULTIJUNCTION TIMERS

10-146

32185/32186 Group Hardware Manual

Rev.1.10 REJ09B0235-0110 May 15, 07

10.8 TOU (Output-Related 24-Bit Timer)

10.8.1 Outline of TOU

TOU (Timer Output Unification) is an output-related 24-bit timer, whose operation mode can be selected from

the following by mode switching in software, one at a time.

• PWM output mode

• Single-shot PWM output mode

• Delayed single-shot output mode

• Single-shot output mode

• Continuous output mode

The table below and the diagram in the next page show specifications and a block diagram of TOU, respectively.

Table 10.8.1 Specifications of TOU (Output-Related 24-Bit Timer)

Item

Specification

Number of channels

16 channels (8 channels

× 2 circuit blocks)

Counter

24-bit down-counter (or 16-bit down counter when in PWM output or single-shot

PWM output mode)

Reload register

24-bit reload register (or 16-bit reload register when in PWM output or single-shot

PWM output mode)

Timer startup

TOU0:

• Writing to the enable bit in software

• TID0 underflow/overflow signal

• TOU0_7 underflow signal

• Output event bus 0 signal

• External input TIN25 signal

TOU1:

• Writing to the enable bit in software

• TID1 underflow/overflow signal

• TOU1_7 underflow signal

• TOU0 cause of start signal (Event enable must be selected by TOU0)

• External input TIN27 signal

Mode switching

• PWM output mode

• Single-shot PWM output mode

• Delayed single-shot output mode

• Single-shot output mode

• Continuous output mode

Interrupt request generation

Can be generated by a counter underflow

DMA transfer request generation

Can be generated by a counter underflow

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