HD6417021 Hitachi Semiconductor, HD6417021 Datasheet - Page 296

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

Timing of Setting IMFA, IMFB for Input Capture: The IMFA and IMFB are set to 1 by an
input capture signal. At this time, the TCNT contents are transferred to the GR. Figure 10.55
shows the timing.
Timing of Setting Overflow Flag (OVF): The OVF is set to 1 when the TCNT overflows from
H'FFFF–H'0000 or underflows from H'0000–H'FFFF. Figure 10.56 shows the timing.
282 HITACHI
capture
signal
TCNT
Input
IMF
GR
IMI
CK
Figure 10.55 Timing of Setting IMFA and IMFB for Input Capture
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