Fujitsu FR81S Manual Do Utilizador
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CHAPTER 26: 16-BIT INPUT CAPTURE
5. Operation
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : 16-BIT INPUT CAPTURE
FUJITSU SEMICONDUCTOR CONFIDENTIAL
16
5.2.1. Operation of 16-bit Input Capture
The operation of 16-bit Input capture is shown below.
Figure 5-1 Example of Input Capture Timing
FFFF
H
BFFF
H
7FFF
H
3FFF
H
0000
H
Count value
Time
IN0
IN1
IN2
Capture
register 0
3FFF
H
Capture
register 1
7FFF
H
Capture
register 2
BFFF
H
3FFF
H
Capture 0
interrupt
Capture 1
interrupt
Capture 2
interrupt
Clearing interrupt by software
Generating interrupt by valid edge again
Capture 0: rising edge
Capture 1: falling edge
Capture 2: both edges
MB91520 Series
MN705-00010-1v0-E
1005