uPD789871 Subseries 8-Bit Single-Chip Microcontrollers PUM
uPD789871 Subseries 8-Bit Single-Chip Microcontrollers PUM
uPD789871 Subseries 8-Bit Single-Chip Microcontrollers PUM
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12.3 Interrupt Function Control Registers<br />
CHAPTER 12 INTERRUPT FUNCTIONS<br />
The following four registers are used to control the interrupt functions.<br />
• Interrupt request flag registers (IF0, IF1)<br />
• Interrupt mask flag registers (MK0, MK1)<br />
• External interrupt mode register (INTM0)<br />
• Program status word (PSW)<br />
Table 12-2 gives a listing of interrupt request flag and interrupt mask flag names corresponding to interrupt<br />
requests.<br />
Table 12-2. Flags Corresponding to Interrupt Request Signal<br />
Interrupt Request Signal Name Interrupt Request Flag Interrupt Mask Flag<br />
INTWDT WDTIF WDTMK<br />
INTP0 PIF0 PMK0<br />
INTP1 PIF1 PMK1<br />
INTTM50 TMIF50 TMMK50<br />
INTTM51 TMIF51 TMMK51<br />
INTTM52 TMIF52 TMMK52<br />
INTKS KSIF KSMK<br />
INTCSI10 CSIIF10 CSIMK10<br />
INTTM80 TMIF80 TMMK80<br />
INTTM81 TMIF81 TMMK81<br />
INTWT WTIF WTMK<br />
INTWTI WTIIF WTIMK<br />
Preliminary User’s Manual U14938EJ1V0UM 123
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