參數(shù)資料
型號: TP6508
英文描述: Pushbutton Switch; Actuator Diameter:0.078"; Circuitry:6PDT; Switch Operation:6 Changeover Push-Push; Contact Current Max:100mA; Leaded Process Compatible:Yes; Mounting Type:PCB; Switch Function:6PDT
中文描述: 顯卡
文件頁數(shù): 74/134頁
文件大?。?/td> 600K
代理商: TP6508
P.71
Extended Indexed Register CREG A9 : Y Offset Control Register
This is a read/write register.
Port address is Hex 3D5.
Default value after hardware reset is Hex 00.
D0-4 LCD panel gray modulation Y offset bit 0 to 4
D5-6 Flat panel dithering type bit 0 to 1
D7
Dither algorithm selection
Bit 0-4
TP6508 has a special function to eliminate stippling wave . You can program Y-directional offset
values for best looking.
User can select the dithering type to smooth and get to colorfully by these two bits.
Bit 6
Bit 5
Description
0
0
Disable dithering function
0
1
Select two bits dithering (data bit 1 to 0)
1
0
Select two bits dithering (data bit 2 to 1)
1
1
Select two bits dithering (data bit 3 to 2)
This bit is used to select the dither algorithm method. A logical 0 select the color modulation bit to
be the next bit of the two selected dithering bits in bit 5-6 of this register. A logical 1 select the color
modulation bit to be the LSB of the color data.
Bit 5-6
Bit 7
Extended Indexed Register CREG AA : Frame Buffer Start Address High register
This is a read/write register.
Port address is Hex 3D5.
Default value after hardware reset is Hex 00.
D0-3 Frame buffer start address bit 0 to 3
D4
Reserved
D5
M Pin selection
D6
LP Pin selection
D7
Reserved
Bit 0-3
With integrated frame accelerator technology . TP6508 can use the video memory space as internal
frame buffer to replace the external frame buffer . These bits is programming to set the internal
frame buffer starting address of video memory. They replace and do as memory address MA14 to
MA17.
Reserved.
This bit is used to select the M Pin(pin 69) output function.
Bit 5
Output function
0
M signal output
1
DE* signal output
This bit is used to select the LP Pin(pin 68) output function.
Bit 6
Output function
0
LP signal output
1
DE* signal output
Reserved.
Bit 4
Bit 5
Bit 6
Bit 7
Extended Indexed Register CREG AB : Line Buffer Terminal Count Register
This is a read/write register.
Port address is Hex 3D5.
Default value after hardware reset is Hex 00.
D0-5 Line buffer terminal count bit 0 to 5 (Unit : 32 pixels)
D6-7 Reserved
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