GMS81508A Datasheet, PDF (58/91 Pages) Hynix Semiconductor – USERS MANUAL

PORT R4 MODE REGISTER
GMS81508/16
W
W
W
W
W
W
W
W
PMR4
<00D0_H>
7
6
5
4
3
2
1
0
T3S T1S EC2S EC0S INT3S INT2S INT1S INT0S
R47 / T3 Selection
0 : R47 ( Input / Output )
1 : T3 ( Output )
R46 / T1 Selection
0 : R46 ( Input / Output )
1 : T1 ( Output )
R45/ EC2 Selection
0 : R45 ( Input / Output )
1 : EC2 ( Input )
R40 / INT0 Selection
0 : R40 ( Input / Output )
1 : INT0 ( Input )
R41 / INT1 Selection
0 : R41 ( Input / Output )
1 : INT1 ( Input )
R42 / INT2 Selection
0 : R42 ( Input / Output )
1 : INT2 ( Input )
R44/ EC0 Selection
0 : R44 ( Input / Output )
1 : EC0 ( Input )
R43 / INT3 Selection
0 : R43 ( Input / Output )
1 : INT3 ( Input )

INTERRUPT EDGE SELECTION REGISTER
IEDS
<00F8_H>
W
W
W
W
W
W
W
W
7
6
5
4
3
2
1
0
IED3H IED3L IED2H IED2L IED1H IED1L IED0H IED0L
INT3 Edge Selection
01 : Falling
10 : Rising
11 : Falling & Rising
INT2 Edge Selection
01 : Falling
10 : Rising
11 : Falling & Rising
INT1 Edge Selection
01 : Falling
10 : Rising
11 : Falling & Rising
INT0 Edge Selection
01 : Falling
10 : Rising
11 : Falling & Rising
3.6. R5 PORT
R5 Port is composed of 8-bit programmable I/O port. R54,R55 is double functional pin.
Register Name
R5 I/O Direction Register
R5 Port Data Register
R5 Port Mode Register
Symbol
R5DD
R5
PMR5
R/W
W
R/W
W
Address
00CB_H
00CA_H
00D1_H
Initial Value
0000 0000
Not initialized
--00 ----
53