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CHAPTER 16 INTERRUPT AND TEST FUNCTIONS
User’s Manual U11302EJ4V0UM
16.5 Test Functions
The internal test input flag (WTIF) is set to 1 and a standby release signal is generated when the watch timer
overflows.
Unlike the interrupt function, this function does not perform vector processing.
The basic configuration is shown in Figure 16-17.
Figure 16-17. Basic Configuration of Test Function
IF:
Test input flag
MK: Test mask flag
16.5.1 Test function control registers
The test function is controlled by the following two registers.
• Interrupt request flag register 0H (IF0H)
• Interrupt mask flag register 0H (MK0H)
The names of the test input flag and test mask flag corresponding to the test input signal name are as follows.
Test Input Signal Name
Test Input Flag
Test Mask Flag
INTWT
WTIF
WTMK
Internal bus
MK
IF
Test input source
(INTWT)
Standby
release signal