參數(shù)資料
型號: PCE84C882
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Microcontroller for monitor OSD and auto-sync applications(監(jiān)視器屏幕顯示和自動同步應(yīng)用的微控制器)
中文描述: 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PDIP42
封裝: 0.600 INCH, PLASTIC, SDIP-42
文件頁數(shù): 34/60頁
文件大小: 409K
代理商: PCE84C882
1996 Jan 08
34
Philips Semiconductors
Preliminary specification
Microcontroller for monitor OSD
and auto-sync applications
PCE84C882
12.3.1
T
HE DISPLAY OF
S
PACE AND
C
ARRIAGE
R
ETURN
C
HARACTERS IN THE
4
DISPLAY MODES
Figures 23 to 26 show the display of Space and Carriage
Return Characters in the 4 display modes, with the
Blinking function ON and OFF.
Mode 0: No background mode. Both the Space Code
and the Carriage Return Code are displayed as
transparent (no bit) patterns, with the video signal as the
background. This is shown in Fig.23.
Mode 1: North shadowing mode. Both codes are
displayed in the same manner as for Mode 0. This is
shown in Fig.24.
In Mode 2: Box shadowing mode. The Space Code is
displayed as a transparent pattern with selected
background colour. This will also be the background
colour of the character following the Space Code.
However, when the Space Code is used as an end bit, it
will be displayed as a transparent pattern superimposed
on the video (see Fig.30). The Carriage Return Code in
Mode 2 is also displayed as a transparent pattern
superimposed on the video signal.
Mode 3: Frame shadowing mode. The Space Code and
the Carriage Return Code are both displayed as
transparent patterns with background colour (see
Fig.26).
Fig.23 Blinking in No background (superimpose) mode.
MLB397
Character ON
Character OFF
CR code
SP code
CR code
SP code
Fig.24 Blinking in North shadowing mode.
MLB398
Character ON
Character OFF
CR code
SP code
CR code
SP code
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