7906 datasheet(184/531 Pages) RENESAS

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PULSE OUTPUT PORT MODE

7906 Group User’s Manual Rev.2.0

9-3

9.2 Block description

Fig. 9.2.1 Block diagram in pulse output port mode

9.2 Block description

Figure 9.2.1 shows the block diagram in the pulse output port mode. Also, the pulse-output-port-mode-

relevant registers are described below.

In the pulse output port mode and three-phase waveform mode, the following registers are used in common:

the waveform output mode register (address A616), three-phase output data register 0 (address A816), and

three-phase output data register 1 (address A916). After the pulse output port mode is set by the waveform

output select bits (bits 2 to 0 at address A616), be sure to set the relevant registers.

Note that, when not using the pulse output port mode and three-phase waveform mode, be sure to fix the

waveform output select bits (bits 2 to 0 at address A616) to “0002.”

Bits 0 through 3 of three-

phase output data register 0

(address A816)

Pulse width modulation

output of timer A1

Bits 4, 5 of three-phase output data register 0

(address A816)

Bits 4, 5 of three-phase output data register 1

(address A916)

Pulse output mode

select bit

(bit 3 at address A616)

Pulse width modulation timer select bits

(bits 5, 4 at address A616)

RTP10

RTP11

Pulse output polarity

select bit

(bit 3 at address A916)

RTP03

D Q

Pulse width modulation enable bits

0 through 2

(bits 0 through 2 at address A916)

D Q

Waveform output

control bit 0

(bit 6 at address A616)

Reset

Waveform output control bit 1

(bit 7 at address A616)

Reset

Pulse width modulation

output of timer A2

Pulse width modulation

output of timer A4

D Q

RTP01

RTP02

D Q

RTP00

D Q

Pulse width

modulation

circuit

P6OUTCUT

Timer A0

Pulse output triggger select bits

(bits 7, 6 at address A816)

RTPTRG0

Timer A3

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