Fujitsu FR81S User Manual
CHAPTER 51: TIMING PROTECTION UNIT
2. Features
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : TIMING PROTECTION UNIT
FUJITSU SEMICONDUCTOR CONFIDENTIAL
4
2. Features
This section explains features of the Timing Protection Unit.
Count with system clock (HCLK)
Built-in timers. Max: 8 timers
24-bit Up-counter
Two operational modes of Normal/Overflow
Normal Mode: When a count value is exceeded to the setting value, interrupt is generated.
Overflow Mode: The interrupt is generated by the counter overflow.
Automatic restart function
Global prescaler ( division factor 1/1 to 1/64 )
Prescaler by timer (1, 1/2, 1/4, 1/16)
Reading function of counter value
Software control of Start/ Stop/ Continue
Status display of each timer (stopped/ active)
Debug mode support
Access protection function of TPU control register
MB91520 Series
MN705-00010-1v0-E
2171