Справочник Пользователя для AMD LX 900@1.5W

33234H

These are the high-order bits for several of the vertical programming values. See the descriptions of the respective vertical
registers for descriptions of these fields. 

Index

06h

Type

R/W

Reset Value

00h

7:0

V_TOTAL[7:0]

Vertical Total Register Bits [7:0]. This is the low eight bits of a value that specifies the 
total number of scan lines on the screen minus 2. This value includes the blanking area 
and determines the vertical refresh rate. The high two bits of this value are in the Over-
flow register (Index 07h[5,1]).

Index

07h

Type

R/W

Reset Value

xxh

7

V_SYNC_ST9

Vertical Sync Start Bit 9. See V_SYNC_ST[7:0] bit description (Index 10h[7:0]). 
V_SYNC_ST8 is located at bit 2

6

V_DISP_EN_END9

Vertical Display Enable End Bit 9. See V_DISP_END[7:0] bit description (Index 
12h[7:0]). V_DISP_END8 is located at bit 1

5

V_TOTAL9

Vertical Total Bit 9. See V_TOTAL[7:0] bit description (Index 06h[7:0]). V_TOTAL8 
is located at bit 0.

4

LINE_COMP8

Line Compare Bit 8. See LINE_COMP[7:0] bit description (Index 18h[7:0]). 
LINE_COMP9 is located at Index 09h[6].

3

V_BLANK_ST8

Vertical Blank Start Bit 8. See V_BLANK_ST[7:0] bit description (Index 15h[7:0]). 
V_BLANK_ST9 is located at Index 09h[5].

2

V_SYNC_ST8

Vertical Sync Start Bit 8. See V_SYNC_ST[7:0] bit description (Index 10h[7:0]). 
V_SYNC_ST9 is located at bit 7.

1

V_DISP_EN_END8

Vertical Display Enable End Bit 8. See V_DISP_END[7:0] bit description (Index 
12h[7:0]). V_DISP_END9 is located at bit 6.

0

V_TOTAL8

Vertical Total Bit 8. See VTOTAL[7:0] bit description (Index 06h[7:0]). V_TOTAL9 is 
located at bit 5.

Index

08h

Type

R/W

Reset Value

00h

7

RSVD