Datasheet

78K0/Kx2-L CHAPTER 17 INTERRUPT FUNCTIONS
R01UH0028EJ0400 Rev.4.00 620
Sep 27, 2010
Figure 17-23. Format of External Interrupt Rising Edge Enable Registers (EGPCTL0, EGPCTL1)
and External Interrupt Falling Edge Enable Registers (EGNCTL0, EGNCTL1) (1/5)
(a) 78K0/KY2-L
Address: FF48H After reset: 00H R/W
Symbol 7 6 5 4 3 2 1 0
EGPCTL0 0 0 0 0 0 0 EGP1 EGP0
Address: FF49H After reset: 00H R/W
Symbol 7 6 5 4 3 2 1 0
EGNCTL0 0 0 0 0 0 0 EGN1 EGN0
(b) 78K0/KA2-L (20-pin products)
Address: FF48H After reset: 00H R/W
Symbol 7 6 5 4 3 2 1 0
EGPCTL0 0 0 0 0 EGP3 EGP2 EGP1 EGP0
Address: FF49H After reset: 00H R/W
Symbol 7 6 5 4 3 2 1 0
EGNCTL0 0 0 0 0 EGN3 EGN2 EGN1 EGN0
(c) 78K0/KA2-L (25-pin and 32-pin products)
Address: FF48H After reset: 00H R/W
Symbol 7 6 5 4 3 2 1 0
EGPCTL0 0 0 EGP5 EGP4 EGP3 EGP2 0 EGP0
Address: FF49H After reset: 00H R/W
Symbol 7 6 5 4 3 2 1 0
EGNCTL0 0 0 EGN5 EGN4 EGN3 EGN2 0 EGN0
EGPn EGNn INTPn pin valid edge selection
0 0 Edge detection disabled
0 1 Falling edge
1 0 Rising edge
1 1 Both rising and falling edges
Caution Be sure to clear bits 2 to 7 of EGPCTL0 and EGNCTL0 to 0 in 78K0/KY2-L.
Be sure to clear bits 4 to 7 of EGPCTL0 and EGNCTL0 to 0 in 78K0/KA2-L (20-pin products).
Be sure to clear bits 1, 6, and 7 of EGPCTL0 and EGNCTL0 to 0 in 78K0/KA2-L (25-pin and
32-pin product).
Remark n = 0, 1: 78K0/KY2-L
n = 0 to 3: 78K0/KA2-L
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