Global American 2807960, User Manual

Page: 27 / 34

22
MOV AL, 08H
OUT DX, AL
MOV DX, 2EH
MOV AL, F5H
OUT DX, AL ;select CRF0
MOV DX, 2FH
MOV AL, 80H
OUT DX, AL
MOV DX, 2EH
MOV AL, F7H
OUT DX, AL
MOV DX, 2FH
MOV
AL, 00H
OUT DX, AL
MOV DX, 2EH
MOV AL, F6H
OUT DX, AL
MOV DX, 2FH
MOV AL, 00H ; *00H=Disabled
OUT DX, AL
;----------------------------------------------------------------
;Exit extended function mode
;----------------------------------------------------------------
MOV DX, 2EH
MOV AL, AAH
OUT DX, AL
User can also use AL, 00H’s defined time for reset purposes, e.g.00H
for Disable, 01H = 1sec, 02H=2sec….FFH=255sec.
3.21 TV-Out Function
The
2807960
can support TV-out function whose input could be up
to 800 x 600 graphics resolutions. World Wide Video standards are
supported including NTSC-M (North America, Taiwan), NTSC-J
(Japan), PAL-b, D, G, H, I (Europe, Asia), PAL-M (Brazil), PAL-N
(Uruguay, Paraguay) and PAL-NC (Argentina).
CN2: TV-Out Connector
PIN Description PIN Description
1 GND 2 GND
3 DACB OUT 4 GND
5 DACC OUT 6 GND
7 GND
1
2
7
3 5
4
6