M16CSLASH26 datasheet(101/239 Pages) RENESAS

101 / 239 page

Renesas Technology Corp.

Three-Phase Motor Control Timer Function

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.

Figure 1.14.2. Registers related to timers for three-phase motor control (2)

Three-phase PWM control register 1 (Note 1)

Symbol

Address

When reset

INVC1

034916

0016

b7 b6 b5 b4 b3 b2 b1 b0

Timer Ai start trigger signal

select bit

INV10

Bit symbol

Bit name

D escription

INV11

Timer A1-1, A2-1, A4-1

control bit

INV12

Dead time timer count

source select bit

INV14

Output polarity control bit

(b7)

Reserved bit

INV16

Dead time timer trigger

select bit

INV15

Dead time invalid bit

INV13

Carrier wave detect flag

0: Timer B2 overflow signal

1: Timer B2 overflow signal,

signal for writing to timer B2

0: Three-phase mode 0

1: Three-phase mode 1

0 : f1 or f2

1 : f1 divided by 2, or f2 divided by 2

0: Rising edge of triangular waveform

1: Falling edge of triangular waveform

0 : Low active

1 : High active

0: Dead time valid bit

1: Dead time invalid bit

0: Triggers from corresponding timer

1: Rising edge of corresponding phase

output

This bit should be set to "0".

Note 4: When INV14="1", INV13="0" is falling edge of triangular waveform and INV13="1" is rising edge of triangular

waveform.

Note 1: Set bit 1 of the protect register (address 000A16) to 1 before writing to this register.

Note 2: INV13 is valid only in triangular waveform mode (INV06=0) and three-phase mode (INV11=1).

Note 3:Usually set to 1 .

(Note 3)

(Note 2)

(Note 4)

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