Fujitsu 8FX Hardware Manual page 116

CHAPTER 7 TIME-BASE TIMER
7.4 Operations and Setting Procedure
Example
■ Setting Procedure Example
Below is an example of procedure for setting the time-base timer.
● Initial settings
1. Set the interrupt level. (ILR*)
2. Set the interval time. (TBTC:TBC[3:0])
3. Enable interrupts and clear the interrupt request flag. (TBTC:TBIE = 1, TBTC:TBIF = 0)
4. Clear the counter. (TBTC:TCLR = 1)
*: For details of the interrupt level setting register (ILR), refer to "CHAPTER 5 INTERRUPTS" in this
hardware manual and "■ INTERRUPT SOURCE TABLE" in the device data sheet.
● Processing interrupts
1. Clear the interrupt request flag. (TBTC:TBIF = 0)
2. Clear the counter. (TBTC:TCLR = 1)
94 FUJITSU SEMICONDUCTOR LIMITED
MB95630H Series
MN702-00009-2v0-E