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CHAPTER 19 INTERRUPT FUNCTIONS
Preliminary User’s Manual U14581EJ3V0UM00
(4) External interrupt rising edge enable register (EGP) and external interrupt falling edge enable register
(EGN)
These registers specify the valid edge for INTP0 to INTP2.
EGP and EGN are set with a 1-bit or 8-bit memory manipulation instruction.
RESET input clears these registers to 00H.
Figure 19-5. External Interrupt Rising Edge Enable Register (EGP) and
External Interrupt Falling Edge Enable Register (EGN) Format
Address: FF48H After Reset: 00H R/W
Symbol
7
6
5
4
3
2
1
0
EGP
0
0
0
0
0
EGP2
EGP1
EGP0
Address: FF49H After Reset: 00H R/W
Symbol
7
6
5
4
3
2
1
0
EGN
0
0
0
0
0
EGN2
EGN1
EGN0
EGPn
EGNn
INTPn Pin Valid Edge (n = 0 to 2)
0
0
Interrupt disabled
0
1
Falling edge
1
0
Rising edge
1
1
Both rising and falling edges
Содержание mPD780852 Series
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