HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 624

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 13 Watchdog Timer
13.4
During interval timer mode operation, an overflow generates an interval timer interrupt (WOVI).
The interval timer interrupt is requested whenever the OVF flag is set to 1 in TCSR.
13.5
13.5.1
If a timer counter clock pulse is generated during the T
takes priority and the timer counter is not incremented. Figure 13.8 shows this operation.
Rev.6.00 Sep. 27, 2007 Page 594 of 1268
REJ09B0220-0600
Interrupts
Usage Notes
Contention between Timer Counter (TCNT) Write and Increment
φ
Address
Internal write signal
TCNT input clock
TCNT
Figure 13.8 Contention between TCNT Write and Increment
TCNT write cycle
T
1
N
2
T
state of a TCNT write cycle, the write
2
Counter write data
M