M16CSLASH26 datasheet(113/239 Pages) RENESAS

Part #	M16C/26

Description	16-BIT CMOS SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES

PDF	239 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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113 / 239 page

Renesas Technology Corp.

Three-Phase Motor Control Timer Function

107

M16C/26 Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Under

development

Preliminary Specifications Rev. 0.9

Specifications in this manual are tentative and subject to change.

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 occurs.

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 occurs.

Rewriting the value of timer A4.

Figure 1.14.11. Timing chart of operation (4)

M16C/26 Datasheet(PDF) 113 Page - Renesas Technology Corp

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