WT_Refresh
PUSH
DX
AX
; keep AX, DX
PUSH
MOV
IN
DX,WDT_ET_RF ; refresh the WDT
AL,DX
POP
POP
RET
DX
AX
; get back AX, DX
WT_DISABLE
PUSH
DX
AX
PUSH
MOV
IN
DX,WDT_DIS
; disable the WDT
; get back AX, DX
AL,DX
DX
POP
POP
RET
AX
3.7 VGA Controller
The onboard C&T 65545 CRT/Panel display controller provides up to
1024 x 768 at 16 colors resolution. The HS-3000/4M provides two
connection methods of CRT and Panel device. CN18 offers a 15-pin
CRT connector, and CN11 offers a 50-pin Panel connector.
ꢃ CN18: CRT Connector (8x2 header)
PIN Description PIN Description
1
3
RED
BLUE
GND
GND
N/C
2
4
GREEN
N/C
5
1
5
6
GND
GND
GND
N/C
10
6
7
9
11
13
15
8
10
12
14
15
11
N/C
HSYNC
N/C
VSYNC
The HS-3000/4M provides a 44-pin 2.0mm pitch header connector
(CN11).
ꢃ CN11: Panel Connector
CN11
Description
CN11
Description
1
3
+12V
GND
PVcc
FPVee
P0
2
4
+12V
GND
PVcc
GND
P1
5
6
7
8
9
10
11
P2
12
P3
…More on next page…
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