Fujitsu MB95630H Series Hardware Manual page 382

8-bit microcontroller new 8fx

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Table of Contents

CHAPTER 20 16-BIT RELOAD TIMER

20.6 Operations and Setting Procedure Example

■ Setting Procedure Example

Below is an example of procedure for setting the 16-bit reload timer.

● Initial setup

1. Set the interrupt level. (ILR*)

2. Set the reload value. (TMRHn/TMRLn)

3. Select the clock. (TMCSRHn:CSL[2:0])

4. Select the operating mode. (TMCSRHn:MOD[2:0])

5. Enable the output. (TMCSRLn:OUTE = 1)

6. Select the output level. (TMCSRLn:OUTL)

7. Select reload. (TMCSRLn:RELD)

8. Enable a count. (TMCSRLn:CNTE = 1)

9. Perform the software trigger. (TMCSRLn:TRG = 1)

10. Enable underflow interrupt. (TMCSRLn:INTE = 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.

● Interrupt processing

1. Clear the underflow interrupt request flag. (TMCSRLn:UF=0)

2. Disable underflow interrupt. (TMCSRLn:INTE = 0)

3. Process any interrupt.

4. Enable underflow interrupt. (TMCSRLn:INTE = 1)

FUJITSU SEMICONDUCTOR LIMITED

MB95630H Series

MN702-00009-1v0-E