Справочник Пользователя для Philips S1D13505

Page 97

Vancouver Design Center

Hardware Functional Specification

S1D13505

Issue Date: 01/02/02 

X23A-A-001-14

VDP 

= Vertical Display Period 

= (REG[09h] bits [1:0], REG[08h] bits [7:0]) + 1

VNDP

= Vertical Non-Display Period 

= (REG[0Ah] bits [5:0]) + 1

HDP

= Horizontal Display Period 

= ((REG[04h] bits [6:0]) + 1)*8Ts

HNDP 

= Horizontal Non-Display Period 

= HNDP

1

 + HNDP

2

= ((REG[05h] bits [4:0]) + 1)*8Ts

The signals RED, GREEN and BLUE are analog signals from the embedded DAC and represent
the color components which make up each pixel.

VRTC

HRTC

LINE1

LINE480

1-1

1-2

1-640

HRTC

RED,GREEN,BLUE

RED,GREEN,BLUE

VDP

HDP

VNDP

HNDP

1

Example Timing for 640x480 CRT

HNDP

2

LINE480