参数资料
型号: M37280MKH-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP64
封装: 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64
文件页数: 8/172页
文件大小: 2033K
代理商: M37280MKH-XXXSP
104
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37280MFH–XXXSP, M37280MKH–XXXSP
M37280EKSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
8.11.14 Window Function
The window function can be set windows on-screen, and output OSD
within only the area where the window is set.
The ON/OFF for vertical window function is performed by bit 5 of
OSD control register 1 and is used to select vertical window function
or vertical blank function by bit 6 of OSD control register 2. Accord-
ingly, the vertical window function cannot be used simultaneously
with the vertical blank function. The display mode to validate the win-
dow function is selected by bits 5 to 7 of OSD control register 3. The
top boundary is set by top border control registers 1 and 2 (TB1,
TB2) and the bottom boundary is set by bottom border control regis-
ters 1 and 2 (BB1, BB2).
The ON/OFF for horizontal window function is performed by bit 4 of
OSD control register 2 and is used interchangeably for the horizontal
blank function with bit 5 of OSD control register 2. Accordingly, the
horizontal blank function cannot be used simultaneously with the
horizontal window function. The display mode to validate the window
function is selected by bits 5 to 7 of OSD control register 3. The left
boundary is set by left border control registers 1 and 2 (LB1 and
LB2), and the right boundary is set by right border control registers 1
and 2 (RB1 and RB2).
Fig. 8.11.38 Example of window function (When CC Mode Is Valid)
CDOSD mode
F
G HI
J
KL
M N O
PQ R
S
T
OSD mode
AB CD E
UV
W X
Y
Screen
CC mode
Window
Bottom boundary
of window
Top boundary
of window
Right boundary
of window
Left boundary
of window
Window
Notes 1: When using vertical window, do not set “0016” or “0116” to TB1 at TB2
= “0016.”
2: When using horizontal window, do not set LB1 = LB2 = “0016.”
3: Horizontal blank and horizontal window, as well as vertical blank and
vertical window can not be used simultaneously.
4: When using horizontal window, set as follows:
(LB1 + LB2 162) < (RB1 + RB2 162).
5: When using vertical window, set as follows:
(TB1 + TB2 162) < (BB1 + BB2 162).
6: When the window function is ON by OSD control registers 1 and 2,
the window function of OUT2 is valid in all display mode regardless
of setting value of OSD control register 3 (bits 5 to 7). For example,
even when make the window function valid in only CC mode, the
function of OUT2 is valid in OSD and CDOSD modes.
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