7906 datasheet(183/531 Pages) RENESAS

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PULSE OUTPUT PORT MODE

7906 Group User’s Manual Rev.2.0

9-2

9.1 Overview

The pulse output port mode function is used to change the output levels at several pins simultaneously with

the following: each underflow occurrence in timer A or each valid edge input of an external signal. The pulse

output port mode has two operation modes as listed in Table 9.1.1.

Table 9.1.1 Overview of pulse output port mode

Note: The pulse output pins, where pulse width modulation is to be applied, determine the timer to be used.

➀ 6 pins

RTP00 to RTP03, RTP10, RTP11: timer A1

➁ 2 groups of 3 pins

• RTP00 to RTP02: timer A1

• RTP03, RTP10, RTP11: timer A2

➂ 3 groups of 2 pins

• RTP00, RTP01: timer A1

• RTP02, RTP03: timer A2

• RTP10, RTP11: timer A4

Operation mode

Pulse mode 0

Pulse mode 1

Pulse output pins

Pulse output

trigger

output data is to

be set

Pulse width

modulation

Negative pulse output

Pulse-output-

cutoff signal

input pin

RTP00 to RTP03

(P60 to P63)

Underflow occurrence in

timer A0

Valid edge of signal input

to pin RTPTRG0

Three-phase output data

(bits 0 to 3)

Available

(timer A1 used)

Available

P6OUTCUT

(Input of falling edge)

RTP10, RTP11

(P64, P65)

Underflow of timer A3

Three-phase output

data register 1

(bits 4, 5)

Not available

Available

—

RTP00 to RTP03, RTP10, RTP11

(P60 to P63, P64, P65)

Underflow of timer A0 or Valid edge

of signal input to pin RTPTRG0

Three-phase output data register 0

(bits 0 to 5)

Available (Note)

(timers A1, A2, A4 used)

Available

P6OUTCUT

(Input of falling edge)

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