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參數(shù)資料
| 型號： | STPCI2HEYI |
| 英文描述： | PERIPHERAL (MULTIFUNCTION) CONTROLLER |
| 中文描述： | 周邊（多功能）控制器 |
| 文件頁數(shù)： | 22/71頁 |
| 文件大?。?/td> | 1071K |
| 代理商： | STPCI2HEYI |
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PIN DESCRIPTION
22/69
Issue 2.4 - February 11, 2002
2.2.13 MONITOR INTERFACE
RED, GREEN, BLUE
RGB Video Outputs. These
are the three analog color outputs from the RAM-
DACs. These signals are sensitive to interference,
therefore they need to be properly shielded.
VSYNC
Vertical Synchronisation Pulse. This is
the vertical synchronization signal from the VGA
controller.
HSYNC
Horizontal Synchronisation Pulse. This is
the horizontal synchronization signal from the
VGA controller.
VREF_DAC
DAC Voltage reference. This pin is
an input driving the digital to analog converters.
This allows an external voltage reference source
to be used.
RSET
Resistor Current Set. This is the reference
current input to the RAMDAC. Used to set the full-
scale output of the RAMDAC.
COMP
Compensation. This is the RAMDAC com-
pensation pin. Normally, an external capacitor
(typically 10nF) is connected between this pin and
V
DD
to damp oscillations.
DDC[1:0]
Direct Data Channel Serial Link. These
bidirectional pins are connected to CRTC register
3Fh to implement DDC capabilities. They conform
to I
2
C electrical specifications, they have open-
collector output drivers which are internally con-
nected to V
DD
through pull-up resistors.
They can instead be used for accessing I2C devic-
es on board. DDC1 and DDC0 correspond to SCL
and SDA respectively.
2.2.14 FLAT PANEL INTERFACE SIGNALS
(Combined with Serial 1)
FPFRAME,
Vertical Sync. pulse Output.
FPLINE,
Horizontal Sync. Pulse Output.
DE,
Data Enable.
R5-0,
Red Output.
G5-0,
Green Output.
B5-0,
Blue Output.
ENAVDD
Enable VDD of Flat Panel.
ENVCC
Enable VCC of Flat Panel.
PWM
PWM Back-Light Control.
2.2.15 MISCELLANEOUS
SPKRD
Speaker Drive. This is the output to the
speaker and is the AND of the counter 2 output
with bit 1 of Port 61h and drives an external speak-
er driver. This output should be connected to a
7407 type high voltage driver.
SCAN_ENABLE
Reserved This pin is reserved
for Test and Miscellaneous functions. It has to be
set to ‘0’ or connected to ground in normal opera-
tion.
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相關(guān)代理商/技術(shù)參數(shù) |
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| STPCINDUSTRIAL | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PC Compatible Embedded Microprocessor |
| STP-CN04 | 功能描述:烙鐵 Cartridge Conical 0.4mm (0.016in) RoHS:否 制造商:Weller 產(chǎn)品:Soldering Stations 類型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大溫度:+ 850 F 電纜類型:US Cord Included |
| STP-CN05 | 功能描述:烙鐵 Cartridge Conical 0.5mm (0.02in) RoHS:否 制造商:Weller 產(chǎn)品:Soldering Stations 類型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大溫度:+ 850 F 電纜類型:US Cord Included |
| STP-CN10 | 功能描述:烙鐵 Cartridge Conical 1mm (0.039in) RoHS:否 制造商:Weller 產(chǎn)品:Soldering Stations 類型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大溫度:+ 850 F 電纜類型:US Cord Included |
| STP-CNB04 | 功能描述:烙鐵 Cartridge Conical Bent 0.4mm (0.016in) RoHS:否 制造商:Weller 產(chǎn)品:Soldering Stations 類型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大溫度:+ 850 F 電纜類型:US Cord Included |
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