Fujitsu FR81S 사용자 설명서

CHAPTER 20: RELOAD TIMER 

 

 

6. Application Note 
 

FUJITSU SEMICONDUCTOR LIMITED 

CHAPTER : RELOAD TIMER 
FUJITSU SEMICONDUCTOR CONFIDENTIAL 

52 

An application note is shown below.

 

This section shows the typical functions which can be realized with this timer.   

Figure 6-1 Example 

 

 

 

 

Following are some configurations for use of example figure above. 

PPG

PPG

PWM

PWC

(Reload input capture)

(Reload output compare)

TOUT output

(Dual reload timer)

TOUT output

(Dual one-shot timer)

TOUT output

Reload timer

TOUT output

Single one-shot timer

TOUT output

TTRG input

Counter value

TMRLRB register

TMRLRA

CNT_a

CNT_b

CNT_a

TMRLRA0

CNT_b

TMRLRA

TMRLRA

Reload

Reload

Reload

Activation trigger

Capture input

(TTRG effective edge)

Underflow

Note: When the rising edge is specified as effective edge

Downcount from  TMRLRA

Interrupt can be generated

(

Set UF bit

)

Interrupt can be generated

(

Set

EF

 bit

)

Activation trigger

Retrigger

Underflow

Compare match

Capture to the TMLRB

Downcount from TMRLRA

Downcount from TMRLRB

Interrupt can be generated(Set UF bit)

0 

TIN input 

(TIN effective edge) 

MN705-00010-1v0-E

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