Abov MC97F60128 - Page 138

138
MC97F60128
ABOV Semiconductor Co., Ltd.
EIFLAG3 (External Interrupt Flag 3 Register): BDH
7
6
5
4
3
2
1
0
–
–
–
FLAGE
FLAGD
FLAGC
FLAGB
FLAGA
–
–
–
R/W
R/W
R/W
R/W
R/W
Initial value :00H
EIFLAG3[5:0]
When an External Interrupt A-E is occurred, the flag becomes ‘1’.The flag is cleared
only by writing ‘0’ to the bit. So, the flag should be cleared by software. Writing “1”
has no effect.
0
External Interrupt A ~ E not occurred
1
External Interrupt A ~ E occurred
EIPOL3H (External Interrupt Polarity 3 High Register): C7H
7
6
5
4
3
2
1
0
–
–
–
–
–
–
POLE
–
–
–
–
–
–
R/W
R/W
Initial value: 00H
EIPOL3H[1:0]
External interrupt (EINTE) polarity selection
POLE [1:0]
Description
0
0
No interrupt at any edge
0
1
Interrupt on rising edge
1
0
Interrupt on falling edge
1
1
Interrupt on both of rising and falling edge
EIPOL3L (External Interrupt Polarity 3 Low Register): C6H
7
6
5
4
3
2
1
0
POLD
POLC
POLB
POLA
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial value: 00H
EIPOL3L[7:0]
External interrupt (EINTA, EINTB, EINTC, EINTD) polarity selection
POLn[1:0]
Description
0
0
No interrupt at any edge
0
1
Interrupt on rising edge
1
0
Interrupt on falling edge
1
1
Interrupt on both of rising and falling edge
Where n =A, B, C and D