參數(shù)資料
型號(hào): TPU3040PO
元件分類: 圖文
英文描述: TELETEXT DECODER, PDIP52
封裝: PLASTIC, DIP-52
文件頁(yè)數(shù): 61/72頁(yè)
文件大小: 347K
代理商: TPU3040PO
TPU 3035, TPU 3040, TPU 3050
PRELIMINARY DATA SHEET
64
Micronas
029B H
Write
ACQ PACKET HEADER HIGH
Bit
Reset
Function
7 to 4
6
4-bit framing code window
every detected clock-runin loads window counter with 4-bit value * 2 (e.g. 6
→ 12-bit window)
window counter is clocked down to 0 with teletext bit rate
slicer will ignore text line if no framing code is found inside framing code window
0000 = disable framing code window
3
0
1 = subframe 2 MAC packet acquisition enable
0 = subframe 2 MAC packet acquisition disable
2
0
1 = subframe 1 MAC packet acquisition enable
0 = subframe 1 MAC packet acquisition disable
1 to 0
0
2 MSBs of MAC packet address
029C H
Read
ACQ SOFT ERROR COUNTER
Bit
Reset
Function
5 to 0
6-bit soft error counter
counts number of soft error corrected bytes
counter stops at 63
reset after read
029D H
Write
ACQ SYNC SLICER
Bit
Reset
Function
7
0
1 = vertical sync window disable
0 = vertical sync window enable
6 to 0
00 H
7-bit binary sync slicer level is compared with binary data
(0
≤data≤127)
029E H
Read
ACQ SYNC STATUS
Bit
Reset
Function
7
1 = field 1
set at line 624 (PAL) or line 524 (NTSC)
0 = field 2
reset at line 313 (PAL) or line 263 (NTSC)
6
1 = vertical retrace
set at line 628 (PAL) or line 528 (NTSC)
0 = vertical window
reset at line 624 (PAL) or line 524 (NTSC)
相關(guān)PDF資料
PDF描述
TPU3040PQ TELETEXT DECODER, PQCC44
TPU3040PK TELETEXT DECODER, PDIP40
TPU3040PO TELETEXT DECODER, PDIP52
TPU3040PQ TELETEXT DECODER, PQCC44
TPU3050PO TELETEXT DECODER, PDIP52
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