Hitachi SH7032 - Page 295

260
• Input capture operation
Figure 10.24 illustrates input capture. The falling edge of TIOCB and both edges of TIOCA are
selected as input capture edges. In the example, TCNT is set to clear at GRB input capture.
Counter cleared 
by TIOCB input 
(falling edge)
TCNT
value
H'0180
H'0160
H'0005
H'0000
TIOCB
TIOCA
GRA
GRB
H'0005 H'0160
H'0180
Time
Figure 10.24 Input Capture Operation