Table of Contents
Advertisement
Chapter 14
f
/128
X
f
/8
RL
RUN2
Watchdog timer enable
register (WDTE)
Figure 14-1
Note
14.2 Configuration
Table 14-1
386
f
X
f
Clock
RL
16-bit
input
counter
controller
2
Clear
0
WDM21 WDM20
Watchdog timer mode
register 2 (WDTM2)
Internal bus
Block diagram of Watchdog Timer 2
f
:
Oscillation frequency
X
f
:
Internal oscillator clock frequency
RL
INTWDT2:
Non-maskable interrupt request signal from Watchdog Timer 2
WDT2RES:
Watchdog Timer 2 reset signal
Watchdog Timer 2 consists of the following hardware.
Configuration of Watchdog Timer 2
Item
Control registers
Watchdog Timer mode register 2 (WDTM2)
Watchdog Timer enable register (WDTE)
User's Manual U18743EE1V2UM00
/2
16
to f
/2
23
X
/2
12
to f
/2
19
RL
Selector
3
WDCS24
WDCS23
WDCS22
WDCS21 WDCS20
Configuration
Watchdog Timer 2
INTWDT2
Output
controller
WDT2RES
(internal reset signal)
3
Advertisement
Table of Contents
