Contention Between Tcnt Write And Clear Operations; Contention Between Tcnt Write And Increment Operations - Renesas RX100 Series User Manual

RX13T Group
19.6.4

Contention between TCNT Write and Clear Operations

If the counter clear signal is generated in the TCNT write cycle, TCNT clearing takes precedence and TCNT write
operation is not performed.
Figure 19.123 shows the timing in this case.
Counter clear signal
Figure 19.123 Contention between TCNT Write and Clear Operations
19.6.5

Contention between TCNT Write and Increment Operations

If incrementing occurs in a TCNT write cycle, TCNT write operation takes precedence and TCNT is not incremented.
Figure 19.124 shows the timing in this case.
TCNT count clock
Figure 19.124 Contention between TCNT Write and Increment Operations
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
PCLKB
TCNT
PCLKB
TCNT
19. Multi-Function Timer Pulse Unit 3 (MTU3c)
Written by CPU
N 0000h
Written by CPU
N M
TCNT write data
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