Fujitsu FR81S Manuale Utente
CHAPTER 11: I/O PORTS
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : I/O PORTS
FUJITSU SEMICONDUCTOR CONFIDENTIAL
36
4.6.13.
Extended Port Function Register 43, 44 : EPFR43,
44
44
The bit configuration of extended port function register 43, 44 is shown.
These registers are used to select external interrupt pins. (I/O relocation)
EPFR43 : Address 0E8B
H
(Access : Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
INT7E
Reserved
INT4E
INT3E
INT2E
INT1E Reserved
Initial value
0
1
1
0
0
0
0
1
Attribute
R/W
R1,WX
R1,WX
R/W
R/W
R/W
R/W
R1,WX
EPFR44 : Address 0E8C
H
(Access : Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
Reserved INT14E
INT13E
Reserved
INT9E Reserved
Initial value
1
0
0
1
1
1
0
1
Attribute R1,WX
R/W
R/W
R1,WX
R1,WX
R1,WX
R/W
R1,WX
INTnE (n=0 to 15)
Operation
0
Input from the INTn_0 pin (Initial value)
1
Input from the INTn_1 pin
MB91520 Series
MN705-00010-1v0-E
431