HD6417021 Hitachi Semiconductor, HD6417021 Datasheet - Page 268

• Manufacturer Part Number: HD6417021
• Description: SuperH RISC engine
• Manufacturer: Hitachi Semiconductor

• Input capture operation
254 HITACHI
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 the input capture of
GRB.
H'0180
H'0160
H'0005
H'0000
TIOCB
TIOCA
GRA
GRB
TCNT
value
Figure 10.24 Input Capture Operation
H'0005
H'0160
Counter cleared
by TIOCB input
(falling edge)
H'0180
Time