Explanation Of Operation Of Input Capture - Fujitsu MB90895 Series Hardware Manual

7.6

Explanation of Operation of Input Capture

When the input capture detects the edge of the external signal input to the input pins, it
stores the count value of the 16-bit free-run timer in the input capture data registers.
I Setting of Input Capture
Operation of the input capture requires the setting shown in Figure 7.6-1
ICS
IPCP
DDR port
direction register
: Using bit
Figure 7.6-1 Setting of Input Capture
bit15 14 13 12 11
Hold counter value of 16-bit free-run timer
10 9 bit8 bit7 6
ICP1ICP0 ICE1
Setting the corresponding bit using pin
as capture input pin to "0"
CHAPTER 7 16-bit I/O timer
5 4 3 2 1 bit0
ICE0 EG11 EG10 EG01 EG00
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