TMPR3916 datasheet(111/225 Pages) TOSHIBA

111 / 225 page

Chapter 5 TIMER

Preliminary

5-2

Use the following formula to calculate the time between start of the PWM counter and send of PWM

interrupt (pulse width):

PWMVAL = compare value of PWM Timer (see register description of PWMVAL)

PWMVAL

Time to PWM Interrupt

------------------------

× 1 / Prescaler

System frequency

Use the following formula to calculate the time between start and overflow of the PWM counter:

65536

Time to PWM Interrupt

------------------------

× 1 / Prescaler

System frequency

Name

Phys. Address (hex)

Function

PWMVAL

1C01 0008

Compare value for 16 bit PWM counter

PWM Value Register (PWMVAL)

Bit

3210

Name

PWMVAL



PWMPRE

Bit

Name

Function

Reset

Value

R/W

31:16

PWMVAL

Compare Value of PWM Counter

If the PWM counter reaches the value of this register an interrupt is

generated.

0x007F

R/W

15:3



Wired to zero

2:0

PWMPRE

Prescaler of PWM Counter

The following clock is used to provide PWM counter:

000 = 1/2 system clock

001 = 1/4 system clock

010 = 1/8 system clock

011 = 1/16 system clock

100 = 1/32 system clock

101,110,111 = 1/64 system clock

101

R/W

TMPR3916 Datasheet(PDF) 111 Page - Toshiba Semiconductor

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