HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 278

• Manufacturer Part Number: HD6413008F
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
• Manufacturer: RENESAS [Renesas Technology Corp]

8. 16-Bit Timer
Contention between 16TCNT Write and Overflow or Underflow: If an overflow occurs in the
T
is set to 1.The same holds for underflow. See figure 8.41.
Rev.4.00 Aug. 20, 2007 Page 234 of 638
REJ09B0395-0400
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state of a 16TCNT write cycle, writing takes priority and the counter is not incremented. OVF
φ
Address bus
Internal write signal
16TCNT input clock
Overflow signal
16TCNT
OVF
Figure 8.41 Contention between 16TCNT Write and Overflow
T
1
16TCNT write cycle
H'FFFF
16TCNT address
16TCNT write data
T
2
T
3
M