MC141543 Просмотр технического описания (PDF) - Motorola => Freescale
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MC141543 Datasheet PDF : 14 Pages
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Although there are 30 character display registers that can
be programmed for each row, not every programmed charac-
ter can be shown on the screen in 320–dot resolution. Usual-
ly only 24 characters can be shown in this resolution at most.
This is induced by the time that is required to retrace the H
scan line. In other resolutions, 480–dot and 640–dot, a total
of 30 characters can be displayed on the screen if the hori-
zontal delay register is set properly.
Figure 9 illustrates the timing of all output signals as a
function of window and fast–blanking features. Line 3 of all
three characters is used to illustrate the timing signals. The
shaded area depicts the window area. The characters on the
left and right appear identical except for the FBKGC bit. The
middle character does not have a window as its background.
Notice that signal HTONE/PWMCK is active only in the win-
dow area. Timing of the signal FBKG depends on the config-
uration of the FBKGC bit. The configuration of the FBKGC bit
affects only the FBKG signal timing; it has no effect on the
timing of HTONE/PWMCK. Waveform ‘R, G, or B’, which is
the actual waveform at R, G, or B pin, is the logical OR of
waveform ‘character R, G, or B’ and waveform ‘window R, G,
or B’. ‘Character R, G, or B’ and ‘window R, G, or B’ are inter-
nal signals for illustration purpose only. Also notice that
HTONE/PWMCK has exactly the same waveform as ‘win-
dow R, G, or B’.
ÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌ
ÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌ
Figure 9. Timing of Output Signals as a Function
of Window and FBKGC Bit Features
FONT
Icon Combination
MC141543 contains 128–character ROM. The user can
create an on–screen menu based on those characters and
icons. Refer to Table 3 for icon combinations. Addresses $00
and $7F are predefined characters, and $7E is for testing.
They cannot be modified in any AMOSDs.
Table 3. Combination Map
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ICON
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Volume Bar I
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Volume Bar II
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Volume Bar III
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Size
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Position
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Geometry
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Contrast
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Brightness
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Horizontal Position
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Horizontal Sizing
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Vertical Position
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Vertical Sizing
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Pin Cushion
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Deguassing
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Video Mode
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Trapezoid
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Parallelogram
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Rotation
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Color Select
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Video Level
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Input Select
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Recall
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Save
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Left/Right Arrows
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ INC/DEC sign
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Speaker
ROM ADDRESS (HEX)
01, 02, 03, 04, 05, 06, 4A
48, 49, 57
47
4F, 50
51, 52
53, 54, 55, 56
58,59
5A, 5B
5C, 5D
5E, 5F
60, 61
62, 63
64, 65
66, 67
68, 69
6A, 6B
6C, 6D
6E, 6F
70, 71
72, 73
74, 75
76,77
78, 79
7A, 7B
7C, 7D
07, 08
ROM CONTENT
Figures 10 – 13 show the ROM content of MC141543.
Mask ROM is optional for custom parts.
MC141543
10
MOTOROLA
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