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5.9 Time Management Function

Specifications of the time management function of MR100 are listed in Table 5.17.

Table 5.17 Specifications of the Time Management Function

No. Item Content

1 System time value Unsigned 48 bits

2 Unit of system time value 1[ms]

3 System time updating cycle User-specified time tick updating time [ms]

4 Initial value of system time (at initial startup) 000000000000H

Table 5.18 List of Time Management Function Service Call

System State

No. Service Call Function

T N E D U L

1 get_tim

[S]

○

○ ○ ○

2 iget_tim

Reference system time

○ ○ ○ ○

3 set_tim

[S]

○

○ ○ ○

4 iset_tim

Set system time

○ ○ ○ ○

5 isig_tim

[S]

Supply a time tick

○ ○ ○ ○

Notes:

• [S]: Standard profile service calls

[B]: Basic profile service calls

• Each sign within " System State " is a following meaning.

♦ T: Can be called from task context

♦ N: Can be called from non-task context

♦ E: Can be called from dispatch-enabled state

♦ D: Can be called from dispatch-disabled state

♦ U: Can be called from CPU-unlocked state

♦ L: Can be called from CPU-locked state

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Renesas M3T-MR100 Manual de usuario Pagina 164