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TPU3035 参数 Datasheet PDF下载

TPU3035图片预览
型号: TPU3035
PDF下载: 下载PDF文件 查看货源
内容描述: 图文电视处理器 [Teletext Processors]
分类和应用: 电视
文件页数/大小: 73 页 / 1175 K
品牌: MICRONAS [ MICRONAS ]
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TPU 3035, TPU 3040  
PRELIMINARY DATA SHEET  
0292 H  
0294 H  
Write  
ACQ TTX BITSLICER FREQUENCY HIGH  
ACQ VPS BITSLICER FREQUENCY HIGH  
Bit  
3
Reset  
1
Function  
1 = PHINC enable  
0 = PHINC disable  
phase inc = Freq*(1)1/8) before framing code  
phase inc = Freq*(1)1/16) after framing code  
phase inc = Freq  
11  
2 to 0  
3 MSBs of bitslicer frequency  
Freq = 2 * Bitfreq / 20.25MHz  
= 702 for PAL  
= 579 for NTSC  
= 506 for VPS or WSS  
= 153 for CAPTION  
0295 H  
Bit  
Write  
Reset  
07 H  
ACQ FILTER COEFFICIENT  
Function  
5 to 0  
high pass filter coefficient in 2’s complement  
100000 = not allowed  
100001 = *31  
000000 =  
0
011111 = )31  
0296 H  
Bit  
Write  
Reset  
0D H  
ACQ DATA SLICER  
Function  
5 to 0  
6-bit binary data slicer level is compared with ABS[data]  
(*32data)31)  
0297 H  
Write  
Reset  
0
ACQ ACCUMULATOR MODE  
Bit  
3
Function  
1 = soft error correction disable  
0 = soft error correction enable  
2
1
0
1
0
0
1 = AC & FLT accu disable  
0 = AC & FLT accu enable  
(only during VPS&CAPTION line)  
1 = DC accu disable  
0 = DC accu enable  
1 = reset DC & AC & FLT accu  
0 = no action  
(one shot)  
0298 H  
0299 H  
Read  
ACQ AC ACCUMULATOR  
ACQ FLT ACCUMULATOR  
Bit  
all  
Reset  
Function  
8 MSBs of 16bit accu  
accu increment is 6-bit binary ABS[data-slicer_level]  
these 8 MSBs are reset after read  
(*32data)31)  
read must occur when accu is not active  
029A H  
Write  
Reset  
00 H  
ACQ PACKET HEADER LOW  
Function  
Bit  
all  
8 LSBs of MAC packet address  
60  
MICRONAS INTERMETALL  
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