CHAPTER 8 WATCHDOG TIMER
User's Manual U11919EJ3V0UM00
116
8.2 Watchdog Timer Configuration
The watchdog timer consists of the following hardware.
Table 8-3. Configuration of Watchdog Timer
Item
Configuration
Control register
Timer clock select register 2 (TCL2)
Watchdog timer mode register (WDTM)
Figure 8-1. Block Diagram of Watchdog Timer
Internal Bus
Internal Bus
Prescaler
Selector
Control
Circuit
f
X
2
6
f
X
2
8
f
X
2
10
3
7-Bit Counter
Clear
TMIF4
TMMK4
TCL22 TCL21 TCL20
Timer Clock Select Register 2
(TCL2)
Watchdog Timer Mode Register
(WDTM)
WDTM4
RUN
WDTM3
INTWDT
Maskable
Interrupt Request
RESET
INTWDT
Non-Maskable
Interrupt Request
f
X
2
4
Summary of Contents for mPD789026 Subseries
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