Fujitsu FR81S User Manual
CHAPTER 20: RELOAD TIMER
5. Operation
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : RELOAD TIMER
FUJITSU SEMICONDUCTOR CONFIDENTIAL
FUJITSU SEMICONDUCTOR CONFIDENTIAL
22
5.1.6. TOUT Pin Level Setting
The TOUT Pin level setting is shown below.
Set pin output polarity using bit5:OUTL bit in the TMCSR register.
The relationships between events and the TOUT pin in each function are as follows:
A/B of the section of the UF (underflow) below indicates whether down counting underflow has occurred
with a value when loading TMRLRA data or TMRLRB data. CMP (compare-match) shows the timing of
down counting from TMRLRB = TMR.
with a value when loading TMRLRA data or TMRLRB data. CMP (compare-match) shows the timing of
down counting from TMRLRB = TMR.
Figure 5-1 TOUT Output Change in Each Event (1 / 3)
OUTL
Function name
Initial value
Trigger
Counting in progress
A
0
1
A
A
A
0
1
A
B
0
1
A
B
A
0
1
A
0
1
A
A
A
0
1
UF
UF
UF
Single one-shot function
Single reload function
Dual one-shot function
Dual reload function
Capture reload function
Capture one-shot function
Trigger wait state
Trigger wait state
Trigger wait state
MB91520 Series
MN705-00010-1v0-E
749