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ML87V2107TB 参数 Datasheet PDF下载

ML87V2107TB图片预览
型号: ML87V2107TB
PDF下载: 下载PDF文件 查看货源
内容描述: [Consumer Circuit, PQFP100, 14 X 14 MM, 0.50 MM PITCH, PLASTIC, TQFP-100]
分类和应用: 商用集成电路
文件页数/大小: 152 页 / 739 K
品牌: OKI [ OKI ELECTRONIC COMPONETS ]
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FEDL87V2107-01  
OKI Semiconductor  
ML87V2107  
1.1.2 Input System Field Detection  
The IC detects the input data field from the phase of IVS and IHS to generate the input field pulse (IF) which  
determines the generation phase of the output Sync. signal (OVS and OHS).  
The field detection pulse can be selected from the IHS (IFLS = 0) or from 0.5H pulse IHALF (IFLS = 1) by setting  
the I2C-bus setting register IFLS (SUB:42h-bit[3]).  
In the rear edge of judgment area, since the field judgment uncertainty area contains 10 clocks of IICLK (internal  
input system clock), external phase adjustment will be necessary if the phase of IVS lies in this area. (However,  
there is no problem if the change of IVS and IHS is in the same phase.)  
The device also has the function to automatically generate a field pulse by judging a single field Sync. signal input  
(continuous for more than 8 fields) with the setting of FCON (SUB:42h-bit[7]) = 1. For example, if there is only  
field A input, the pulse toggled by IVS is regarded as the field pulse.  
IVS  
Field A detection  
phase  
IHS  
Field A detection  
phase  
0.5H  
pulse  
#IF  
Figure F1-1-2 (1) Input System Field A Detection Timing  
IVS  
Field B detection  
phase  
IHS  
Field B detection  
phase  
0.5H  
pulse  
#IF  
Figure F1-1-2 (2) Input System Field B Detection Timing  
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