CHAPTER 4 INTERFACES
PRELIMINARY
NEC confidential and Proprietary
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Figure 4-23. Types of Interrupt cause Register and Detailed cause Register
INT REGISTER
INTERRUPT SIGNAL (INT_B)
ICT REGISTER
ICR REGISTER
GEV REGISTER
APIER REGISTER
APIET REGISTER
TSLER REGISTER
DPPER REGISTER
TPPER REGISTER
DAPER REGISTER
DAPET REGISTER
DSLER REGISTER
Detailed caused
register
DAPET MASK REGISTER
Mask register
INT MASK REGISTER
GPIN MASK REGISTER
APIER MASK REGISTER
APIET MASK REGISTER
ICR MASK REGISTER
ICT MASK REGISTER
Interrupt caused
register
TAPER REGISTER
TSLER MASK REGISTER
DPPER MASK REGISTER
TPPER MASK REGISTER
DAPER MASK REGISTER
DSLER MASK REGISTER
TAPER MASK REGISTER
GPIN REGISTER
GEV MASK REGISTER
TGE REGISTER
DGE REGISTER
TGE MASK REGISTER
DGE MASK REGISTER
Table 4-7. Interrupt Port Register
Register Outline
Interrupt register
(INT)
•
This register indicates the port of an interrupt occurrence.
•
If any of the bits of this register is set to 1, the interrupt signal (INT_B) is activated.
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