h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 407

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Internal reset signal
Legend:
WT/IT
TME
OVF
Note: * After the OVF bit becomes 1, it is cleared to 0 by an internal reset.
: Timer mode select bit
: Timer enable bit
: Overflow flag
RESO signal
Figure 14.2 Watchdog Timer Mode (RST/NMI
The XRST bit is also cleared to 0.
H'FF
H'00
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. 3.00 Mar 21, 2006 page 353 of 788
NMI = 1) Operation
NMI
NMI
Section 14 Watchdog Timer (WDT)
WT/IT = 1
TME = 1
Write H'00 to
TCNT
REJ09B0300-0300
Time