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FUJITSU MB91460 SERIES FR60 User Manual

Page 895

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879

Chapter 43 Stepper Motor Controller

2.Registers

Figure 2-2 load timing of PWM compare register value

Automatic clear and "1" simultaneously

write of a BS bit.

000h

3FFh

3FFh

000h

200h

3FFh

000h

PWM 1 cycle

XXXh

200h

Load the values of the registers and
reflected in the output signal.

3FFh

3FFh

200h

Load

Load

When set a BS bit in "1" with automatic clear simultaneously

000h

3FFh

3FFh

000h

200h

3FFh

000h

Automatic clear and "0" simultaneously

write of a BS bit.

PWM 1 cycle

XXXh

200h

Load the values of the registers
and reflected in the output signal.

3FFh

3FFh

200h

Load

Load

When set a BS bit in "0" with automatic clear simultaneously

BS

000h

3FFh

3FFh

000h

200h

3FFh

000h

PWM 1 cycle

PWM pulse

PWM pulse generator

compare register value

PWM pulse generator

counter value

XXXh

200h

Load the values of the registers and
reflected in the output signal.

3FFh

PWM compare

register value

BS

PWM pulse

PWM pulse generator

compare register value

PWM pulse generator

counter value

PWM compare

register value

BS

PWM pulse

PWM pulse generator

compare register value

PWM pulse generator

counter value

PWM compare

register value

BS

PWM pulse

PWM pulse generator

compare register value

PWM pulse generator

counter value

PWM compare

register value

3FFh

200h

Load

Load

[Automatic clear of BS bit]

"0" write of a BS bit before the 1 cycle end.

000h

3FFh

3FFh

000h

3FFh

000h

PWM 1 cycle

XXXh

Not load the values of the registers and
not reflected in the output signal.

3FFh

3FFh

200h

Load

Not load

When set a BS bit in "0" before the PWM cycle end