BMSKTOPASA900(DCE) Toshiba, BMSKTOPASA900(DCE) Datasheet - Page 825

• Manufacturer Part Number: BMSKTOPASA900(DCE)
• Description: KIT STARTER TMPA900 USB JTAG
• Manufacturer: Toshiba
• Series: TOPASr
• Type: MCUr

Specifications of BMSKTOPASA900(DCE)

• Contents: Evaluation Board, Cable(s), Software and Documentation
• For Use With/related Products: TMPA900CMXBG
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.25 Watchdog Timer (WDT) (Runaway Detection Timer)
PCLK
3.25.1
APB Bus
such as noise and for restoring the CPU to a normal state. When the watchdog timer detects a
runaway condition, it generates an interrupt to notify the interrupt controller and CPU of this
condition. (Interrupt source signal to Interrupt controller: INTS [0])
generated.
The TMPA900CM contains a watchdog timer (WDT) for runaway detection.
The watchdog timer is provided for detecting a CPU malfunction (runaway) due to causes
By connecting the watchdog timer output to the internal reset pin, a reset can be forcefully
Note: Please set to disable the WDT in Debug operation.
Block diagram
WDT
<WDTCNT [31:0]>
Control
register
WDT
APB Bus
<INTEN>
<WDTINTCLR>
TENTATIVE
WDT reset
TMPA900CM- 824
<RESEN>
INTS [0]
counter
WDT
System reset
Interrupt
controller
<RAWWDTINT>
<WDTINT>
TMPA900CM
2009-10-14
INTS [0]
WDT
reset