Renesas rl78 User Manual

 

RL78/G1A 

 

CHAPTER  6   TIMER  ARRAY  UNIT 

R01UH0305EJ0200  Rev.2.00 

 

 

232  

Jul 04, 2013 

 

Since the timer operations (operations of timer count register mn (TCRmn) and timer data register mn (TDRmn)) are 

independent of the TOmn output circuit and changing the values set in timer output register m (TOm), timer output 

enable register m (TOEm), and timer output level register m (TOLm) does not affect the timer operation, the values can 

be changed during timer operation.  To output an expected waveform from the TOmn pin by timer operation, however, set 

the TOm, TOEm, TOLm, and TOMm registers to the values stated in the register setting example of each operation 

shown by 6.8 and 6.9. 

When the values set to the TOEm, and TOLm registers (but not the TOm register) are changed close to the occurrence 

of the timer interrupt (INTTMmn) of each channel, the waveform output to the TOmn pin might differ, depending on 

whether the values are changed immediately before or immediately after the timer interrupt (INTTMmn) occurs. 

 

Remark  m: Unit number (m = 0), n: Channel number (n = 0, 1, 3 to 7)