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)： 134/134頁
文件大?。?/td> 600K
代理商： TP6508
P131
F. Pins Selection Configuration
*1. Disable internal dual frequency synthesizer
( SREG D0 D4 = 0 )
PIN Name
PIN Number
OFF
178
XTAL1
203
Selected Multipelx Function
EXVCLK ~ External VCLK input
EXMCLK ~ External MCLK input
*2. VGA BIOS ROM interface
( SREG D0 D2-0 = 101 ) ~ ISA Bus
PIN Name
ROMCS*
PIN Number
29
Selected Multipelx Function
BIOS ROM chip_select signal output
*3. OFF pin control selection (Pin Number =178 )
( if SREG CE D0 = 1 & if *1 isn't true ) ~ SREG CB D1-0 = selection bits
D1
D0
Selected Multipelx Function
0
0
VESA DPMS OFF mode pin trigger input/output pin
0
1
Output internal MCLK frequency signal
1
x
Output internal VCLK frequency signal
*4. 24-bit TFT panel interface selection
( CREG AC D5 = 1 )
PIN Name
CA[7:0]
PIN Number
97-90
Selected Multipelx Function
P[23:16] ~ Flat panel data signals
*5. Video interface selection
[a]. ( SREG D9 D1-0 = 01 ) ~ 18-bit video port interface
PIN Name : RASC* , WEC*, CASCH*, CASCL* , MCD[15:0]
Selected Multipelx Function : KEY , PCLK , VR[7:2] ,VG[7:2] , VB[7:2]
[b]. ( SREG D9 D1-0 = 11 , SREG D0 D6 = 1 ) ~ 24-bit video port interface
PIN Name : RASC* , CASCH*, CASCL* , WEC*, MCD[15:0] , OEC* , 32KHZ , CA8 , CA9 ,
Selected Multipelx Function : KEY , PCLK , VR[7:2] ,VG[7:2] , VB[7:2] , VR[1,0] , VG[1,0] ,
[c]. ( SREG D9 D0 = 0 , SREG D0 D6 = 1 , SREG C0 D6=1) ~ VAFC interface
PIN Name : RASC* , CASCH*, CASCL* , WEC*, MCD[15:0] , OEC* , 32KHZ , CA8 , CA9 , A27 , A26
Selected Multipelx Function : VRDY , PCLK , GRDY , EVID# , VP[15:0] , VCLK , BLANK*
A27 , A26
VB[1:0]
*6. External LCD frame buffer interface selection
( if *4,*5 isn't true)
PIN Name : RASC* , CASCH*, CASCL* , WEC*, MCD[15:0] , OEC* , CA[9:0]
Selected Multipelx Function : External LCD frame buffer DRAM interface
*7. ACTI & FPBACK output selection
( CREG D0 D6 = 1 , & if *5 [b] )
PIN Name
A26
A27
PIN Number
53
54
Selected Multipelx Function
ACTI ~ responses high during valid VGA access
FPBACK ~ Flat panel power control signal output
*8. Pin-61 output control
( SREG D1 D4 = selection bit )
D7
0
1
Selected Multipelx Function
FPVEE ~ Flat panel power control signal output
FPBACK ~ Flat panel power control signal output
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