HD6413308 Hitachi Semiconductor, HD6413308 Datasheet - Page 163

• Manufacturer Part Number: HD6413308
• Description: Hitachi Single-Chip MicroComputer
• Manufacturer: Hitachi Semiconductor

(3) Contention between OCR Write and Compare-Match: If a compare-match occurs during
the T
the compare-match signal is inhibited.
Figure 6-23 shows this type of contention.
3
state of a write cycle to the lower byte of OCRA or OCRB, the write takes precedence and
Ø
Internal address bus
Internal write signal
FRC clock pulse
FRC
Figure 6-22. FRC Write-Increment Contention
Write cycle: CPU write to lower byte of FRC
T
1
148
N
FRC address
T
2
T
Write data
3
Figure 6-22
M