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VGA Signal Timing
R
Generally, a counter clocked by the pixel clock controls the horizontal timing. Decoded
counter values generate the HS signal. This counter tracks the current pixel display
location on a given row.
A separate counter tracks the vertical timing. The vertical-sync counter increments with
each HS pulse and decoded values generate the VS signal. This counter tracks the current
display row. These two continuously running counters form the address into a video
display buffer. For example, the on-board fast SRAM is an ideal display buffer.
No time relationship is specified between the onset of the HS pulse and the onset of the VS
pulse. Consequently the counters can be arranged to easily form video RAM addresses, or
to minimize decoding logic for sync pulse generation.
Spartan-3 FPGA Starter Kit Board User Guide
UG130 (v1.2) June 20, 2008
25
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相关PDF资料
HW-SPAR3E-DISP-DK-UNI-G
KIT DEV SPARTAN3E DISPLAY
HW-SPAR3E-SK-UK-G
KIT STARTER SPARTAN-3E
HW-USB-II-G
PLATFORM CABLE USB II
HW-USBN-2A
ACCY USB DOWNLOAD CABLE STD SPD
HW-V4-ML401-USA
EVALUATION PLATFORM VIRTEX-4
HW-V4-ML423-UNI-G
EVALUATION PLATFORM VIRTEX-4
HW-V4SX35-VIDEO-SK-UK
VIRTEX-4 VIDEO STARTER KIT
HW-V5-ML521-UNI-G
EVALUATION PLATFORM VIRTEX-5
相关代理商/技术参数
HW-T126
制造商:IDEC Corporation 功能描述:120V/6V Xfrmr w/G Trmnls
HW-T246
制造商:IDEC CORPORATION 功能描述:240V/6V Xfrmr w/G Trmnls
HWT9/17
制造商:Talco Tool Storage 功能描述:9 TRAY CANTILEVER TOOLBOX
HW-USB-1A
功能描述:程序设计器配件 ispDOWNLOAD Cable - USB CONNECTION RoHS:否 制造商:Lattice 产品:ispDOWNLOAD Cables 用于:In-system Programming
HW-USB-2A
功能描述:程序设计器配件 ispDOWNLOAD Cable USB Connection RoHS:否 制造商:Lattice 产品:ispDOWNLOAD Cables 用于:In-system Programming
HW-USB-FLYLEADS-G
功能描述:BOARD ADAPTER AND FLY LEADS RoHS:是 类别:编程器，开发系统 >> 配件 系列:- 标准包装:1 系列:- 附件类型:适配器板 适用于相关产品:RCB230，RCB231，RCB212 配用:26790D-ND - RCB BREAKOUT BOARD RS232 CABLE
HW-USB-G
功能描述:PLATFORM CABLE USB RoHS:是 类别:编程器，开发系统 >> 过时/停产零件编号 系列:- 标准包装:1 系列:- 传感器类型:CMOS 成像，彩色（RGB） 传感范围:WVGA 接口:I²C 灵敏度:60 fps 电源电压:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相关产品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP
HW-USB-IIG
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