h8s-2110b Renesas Electronics Corporation., h8s-2110b Datasheet - Page 253

• Manufacturer Part Number: h8s-2110b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Internal reset signal
Note: * After the OVF bit becomes 1, it is cleared to 0 by an internal reset.
Legend:
WT/IT
TME
OVF
RESO signal
Figure 11.2 Watchdog Timer Mode (RST/NMI
H'FF
H'00
: Timer mode select bit
: Timer enable bit
: Overflow flag
The XRST bit is also cleared to 0.
TCNT value
WT/IT = 1
TME = 1
Write H'00 to
TCNT
RESO and internal
reset signals generated
132 system clocks
518 system clocks
Overflow
OVF = 1*
Rev. 2.00 Mar 21, 2006 page 215 of 518
NMI
NMI
NMI = 1) Operation
Section 11 Watchdog Timer (WDT)
WT/IT = 1
TME = 1
Write H'00 to
TCNT
REJ09B0299-0200
Time