Casio HS-3000/4M User Manual download pdf (Page 18)

WT_Refresh PUSH AX ; keep AX, DX

PUSH DX

MOV DX,WDT_ET_RF ; refresh the WDT

IN AL,DX

POP DX ; get back AX, DX

POP AX

RET

WT_DISABLE PUSH AX

PUSH DX

MOV DX,WDT_DIS ; disable the WDT

IN AL,DX

POP DX ; get back AX, DX

POP AX

RET

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.

 CN18: CRT Connector (8x2 header)

PIN Description

1 RED 2 GREEN

3 BLUE 4 N/C

GND

7 GND 8 GND

9 N/C 10 GND

11 N/C 12 N/C

13 HSYNC 14 VSYNC

15 N/C

The HS-3000/4M provides a 44-pin 2.0mm pitch header connector

(CN11).

 CN11: Panel Connector

…More on next page…

CN11 Description CN11 Description

1 +12V 2 +12V

3 GND 4 GND

5 PVcc 6 PVcc

7 FPVee 8 GND

9 P

10 P

11 P

12 P

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 45 46

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Casio HS-3000/4M User Manual Page 18