參數(shù)資料
型號: M37273MFH-XXXSP
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
中文描述: 單芯片8位CMOS微機(jī)隱蔽字幕解碼器和屏幕顯示控制器
文件頁數(shù): 66/130頁
文件大?。?/td> 1663K
代理商: M37273MFH-XXXSP
65
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37273MFH
XXXSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
8.11.1 Display Position
The display positions of characters are specified in units called a
“block.” There are 2 blocks, blocks 1 and 2. Up to 32 characters can
be displayed in each block (refer to “8.11.5 Memory for OSD”).
The display position of each block can be set in both horizontal and
vertical directions by software.
The display start position in the horizontal direction can be selected
for all blocks in common from 128-step display positions in units of
4T
OSC
(T
OSC
= OSD oscillation cycle).
The display start position in the vertical direction for each block can
be selected from 512-step display positions in units of 1 T
H
( T
H
=
H
SYNC
cycle).
Blocks are displayed in conformance with the following rules:
When the display position of block 1 is overlapped with that of block
2 (Figure 8.11.5 (b)), the block 1 is displayed on the front.
When another block display position appears while one block is
displayed (Figure 8.11.5 (c)), the block with a larger set value as
the vertical display start position is displayed.
Fig. 8.11.5 Display Position
(HP)
P
V
P
2
Block 1
Block 2
(a) Example when each block is separated
Block 1
(B
(b) Example when block 2 overlaps with block 1
l
o
c
k
2
i
s
n
o
t
d
i
s
p
l
a
y
e
d
)
(H
P
)
VP1
V
P
2
(c) Example when block 2 overlaps in process of block 1
Block 1
Block 2
N
o
t
e
:
V
P
1
o
r
V
P
2
i
n
d
i
c
a
t
e
s
t
h
e
v
e
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t
i
c
a
l
d
i
s
p
l
a
y
s
t
a
r
t
p
o
s
i
t
i
o
n
o
f
d
i
s
p
l
a
y
b
l
o
c
k
1
o
r
2
.
V
1
(H
P
)
VP1 = VP2
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