Chapter 4 Timer Functions

Clock

TM4EN

Write to registers

TM4OCH, TM4OCL

Binary

04

05

06

07

08

09

00

counter 4

 

 

 

 

 

 

 

Figure 4-3-1 Binary Counter 4 (TM4BC) Count Timing

If the TM4EN flag of the TM4MD register is changed simultaneously with other bits, the switching operation may cause binary counter 4 to be incremented.

If the value of the TM4OCH, TM4OCL register is overwritten while timer 4 has stopped counting, binary counter 4 will be reset to X'0000'.

70 16-bit Timer Operation (timer 4)

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Panasonic MN101C00 user manual Binary Counter 4 TM4BC Count Timing