Operation Of 16-Bit Input Capture - Fujitsu F2MC-16LX Hardware Manual

CHAPTER 12 16-BIT I/O TIMER
12.3.3

Operation of 16-bit Input Capture

The 16-bit input capture can capture the value of the 16-bit free-run timer into the
capture register and generate an interrupt when it detects a predefined valid edge.
Example of Taking Timing of Input Capture
Figure 12.3-5 shows the input capture capturing timing example.
Compare value
FFFF
H
BFFF
H
7FFF
H
3FFF
H
0000
H
Reset
IN0
IN1
IN
example
Capture 0
Capture 1
Capture
example
Capture 0
interrupt
Capture 1
interrupt
Capture example
interrupt
260
Figure 12.3-5 Example of Taking Timing of Input Capture
Indeterminate
Indeterminate
Indeterminate
3FFF
H
7FFF
7FFF
BFFF
H
Time
H
H