M30622ECTFP datasheet(111/184 Pages) MITSUBISHI

Numer części	M30622ECTFP

Szczegółowy opis	SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

PDF	184 Pages

Scroll/Zoom	100%

Producent	MITSUBISHI [Mitsubishi Electric Semiconductor]

Strona internetowa	http://www.mitsubishichips.com

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111 / 184 page

111

Tentative Specifications REV.A

Mitsubishi microcomputers

M16C / 62T Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Specifications in this manual are tentative and subject to change.

Under

development

Timers’ functions for three-phase motor control

Timer B2

Timer A4 output

U phase

Dead time

Carrier wave

Signal wave

A carrier wave of sawtooth waveform

Note: Set to sawtooth modulation mode and to three-phase mode 0.

U phase

output signal

U phase

output signal

The three-phase

shift register shifts

in synchronization

with the falling

edge of timer A4.

Trigger signal for

timer Ai start

(timer B2 overflow

signal)

Interrupt occurres.

Rewriting the value of timer A4.

Rewriting three-phase

output buffer register

Data transfer is made from the three-

phase buffer register to the three-

phase shift register in step with the

timing of the timer B overflow.

Interrupt occurres.

Rewriting the value of timer A4.

Figure 1.18.9. Timing chart of operation (4)

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