LV-67T
User’s Manua
l
-28-
Appendix D <Programmable GPIO >
The GPIO’ can be programmed with the MS
-DOS debug program using simple
IN/OUT commands.
The DC characteristics please refer to GPIO paragraph (Page20).
GPIO
0
1
2
3
4
5
6
7
bit
0
1
2
3
4
5
6
7
-o 4E 87
;enter configuration
-o 4E 87
-o 4E 07
-o 4F 07
;select Logical Device
-o 4E 30
-o 4F 08
;activate GPIO function (The board use GPIO3)
-o 4E EC
-o 4F XX
;set
“
01
”
GPIO as input, set
“
00
”
GPIO as output
-o 4E ED
-o 4F XX
;if set GPIO as output, this register’
s value can be set
“
00~ FF
”
Optional
-o 4E EE
-o 4F XX
;set
“
01
”, the respective bit
are inverted (Both input and output)
;set
“
00
”, the respective bit
are normal
For further information, please refer to Nuvoton NCT6106D datasheet
