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ManualsBrandsRENESAS ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller QFP 128 (14x20) 16-Bit 20 MHz I/O number 87
421422423424425426427428429430
Rev.6.00 Oct.28.2004 page 397 of 1016
REJ09B0138-0600H
10.6 Operation Timing
10.6.1 Input/Output Timing
TCNT Count Timing: Figure 10-34 shows TCNT count timing in internal clock operation, and figure 10-35 shows
TCNT count timing in external clock operation.
TCNT
TCNT
input clock
Internal clock
ø
N–1 N N+1 N+2
Falling edge
Rising edge
Figure 10-34 Count Timing in Internal Clock Operation
TCNT
TCNT
input clock
External clock
ø
N–1 N N+1 N+2
Rising edge Falling edge
Falling edge
Figure 10-35 Count Timing in External Clock Operation