參數(shù)資料
型號(hào): TPU3050PO
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
元件分類: 圖文
英文描述: TELETEXT DECODER, PDIP52
封裝: SHRINK, PLASTIC, DIP-52
文件頁數(shù): 53/72頁
文件大小: 576K
代理商: TPU3050PO
TPU 3035, TPU 3040, TPU 3050
PRELIMINARY DATA SHEET
MICRONAS INTERMETALL
57
HSYNC
Clamping
Blanking
Fig. 2–6: Internal Timing
0253 H
Write
HALFLINE CODE
Bit
Reset
Function
all
37 H
horizontal position to reset HSYNC flip-flop in normal sync mode (in character)
horizontal position of halfline HSYNC in self-timed interlaced mode (in character)
0254 H
Write
DISPLAY MODE 1
Bit
Reset
Function
7
0
1 = OSD layer always uses FONT 1
0 = OSD layer changes from FONT 1 to FONT 2 if ASCII
≥20H
6
1
1 = enable OSD layer
0 = disable OSD layer
5
1
1 = active flash phase of OSD layer
0 = inactive flash phase of OSD layer
4
0
1 = 13 scanlines/character
0 = 8 scanlines/character
3 to 0
0
With this scan line the OSD layer starts display of the first text line. By slow incrementing of this value soft
scroll begins.
0255 H
Write
DISPLAY MODE 2
Bit
Reset
Function
6
1
1 = skew delay enable
0 = skew delay disable
5
0
1 = VSYNC active high
0 = VSYNC active low
4
0
1 = HSYNC active high
0 = HSYNC active low
3
1
1 = 10.125MHz display clock
0 = 20.25MHz display clock
2
1
1 = font pointer offset 10 scanlines/character
0 = font pointer offset 8 or 16 scanlines/character (depending on bit 1)
1
0
1 = font pointer offset 16 scanlines/character
0 = font pointer offset 8 scanlines/character
0
1
1 = 10 scanlines/character
0 = 8 or 13 scanlines/character (depending on bit 4 in register 0254 H)
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