NEC switch - Manual (Page 166)

CHAPTER 11 INTERRUPT FUNCTIONS
User’s Manual U12978EJ3V0UD
166
11.3 Registers Controlling Interrupt Function
The following five registers are used to control the interrupt functions.
• Interrupt request flag registers 0 and 1 (IF0 and IF1)
• Interrupt mask flag registers 0 and 1 (MK0 and MK1)
• External interrupt mode register 0 (INTM0)
• Program status word (PSW)
• Key return mode register 00 (KRM00)
Table 11-2 gives a listing of interrupt request flag and interrupt mask flag names corresponding to interrupt
requests.
Table 11-2. Flags Corresponding to Interrupt Request Signals
Interrupt Request Signal Name Interrupt Request Flag Interrupt Mask Flag
INTWDT TMIF4 TMMK4
INTUSBTM USBTMIF USBTMMK
INTUSBRT USBRTIF USBRTMK
INTUSBRD USBRDIF USBRDMK
INTUSBST USBSTIF USBSTMK
INTUSBRE USBREIF USBREMK
INTP0 PIF0 PMK0
INTCSI10 CSIIF10 CSIMK10
INTTM00 TMIF00 TMMK00
INTTM01 TMIF01 TMMK01
INTKR00 KRIF00 KRMK00