7906 datasheet(203/531 Pages) RENESAS

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PULSE OUTPUT PORT MODE

7906 Group User’s Manual Rev.2.0

9-22

9.4 Pulse output port mode operation

Fig. 9.4.3 Example of pulse output port mode operation (3)

000016

Undefined

✽2

Undefined

✽2

Undefined

✽2

Undefined

✽2

✽3

Starts counting

Starts pulse outputting

✽1

✽3

FFFF16

n : Reloaded value

0011002

0110002

1100002

1000012

✽1

PWM signal

by timer A1

PWM signal

by timer A2

PWM signal

by timer A4

Undefined

✽2

Undefined

✽2

Contents of bits 5 to 0 of

three-phase output data register 0

RTP00 output

RTP01 output

RTP02 output

RTP03 output

Timer A0 interrupt

request bit

RTP10 output

RTP11 output

✽1 : Written by software

✽2 : When avoiding undefined output in these terms (in other words, when stabilizing

these output level), be sure to follow the procedure “Processing of avoiding undefined

output before starting pulse output” in Figure 9.3.2.

✽3 : Cleared to “0” by an interrupt request acceptance or cleared by software.

The above applies when the following conditions are satisfied:

•Pulse mode 1 selected

•Pulse width modulation applied (in a unit of 2 pins; timers A1, A2, and A4 are used.)

•Positive polarity

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