MB90F337PFM datasheet(32/84 Pages) FUJI

32 / 84 page

MB90335 Series

16 - bit Reload Timer

The 16-bit reload timer has the internal clock mode to be decrement in synchronization with three different

internal clocks and the event count mode to decrement upon detection of an arbitrary edge of the pulse input

to the external pin. Either can be selected. This timer defines when the count value changes from 0000H to

FFFFH as an underflow. The timer therefore causes an underflow when the count reaches [reload register

setting +1]. Either mode can be selected for the count operation from the reload mode which repeats the count

by reloading the count setting value at the underflow occurrence or the one-shot mode which stops the count

at the underflow occurrence. The interrupt can be generated at the counter underflow occurrence so as to

correspond to the DTC.

• Register list

• Timer control status register

Timer control status register (Higher) (TMCSR0)

Timer control status register (Lower) (TMCSR0)

• 16-bit timer register/16-bit reload register

TMR0/TMRLR0 (Higher)

TMR0/TMRLR0 (Lower)

Initial Value

Address : 000063H

XXXX0000B

Initial Value

Address : 000062H

00000000B

Initial Value

Address : 000065H

XXXXXXXXB

Initial Value

Address : 000064H

XXXXXXXXB

(

 )(  )(  )

( R/W )



(

 )





CSL1

CSL0

MOD2

MOD1

( R/W )

OUTE

( R/W )

MOD0

OUTL

RELD

INTE

CNTE

TRG

( R/W )

D14

( R/W )

D15

D13

D12

D11

D10

D09

D08

( R/W )

D06

( R/W )

D07

D05

D04

D03

D02

D01

D00

Preliminary

2004.01.09

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