參數(shù)資料
型號： M37274MA-052SP
廠商： Mitsubishi Electric Corporation
英文描述： PHOTO SM DETECTOR
中文描述： 單芯片8位CMOS微機隱蔽字幕解碼器和屏幕顯示控制器
文件頁數(shù)： 71/147頁
文件大?。?/td> 2042K
代理商： M37274MA-052SP
71
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274EFSP
PRELIMINARY
Notice: This is not a final specification.
Some paramentic limits are subject to change.
MITSUBISHI MICROCOMPUTERS
Fig. 70. Vertical Position Register 1
The vertical position for each block can be set in 1024 steps (where
each step is 1T
H
(T
H
: H
SYNC
cycle)) as values “00
16
” to “FF
16
” in
vertical position register 1i (i = 1 to 12) (addresses 0220
16
to 022B
16
)
and values “00
16
” to “03
16
” in vertical position register 2i (i = 1 to 12)
(addresses 0230
16
to 023B
16
). The structure of the vertical position
registers is shown in Figure 70 and 71.
Fig. 71. Vertical Position Register 2
b7b6b5b4b3b2b1b0
Vertical position register 1i (VP1i) (i = 1 to 16) [Addresses 0220
16
to 022F
16
]
B
0
to
7
Name
Functions
After reset
Indeterminate
R W
R W
Vertical Position Register 1i
Control bits of vertical
display start positions
(VP1i0 to VP1i7)
(See note 1)
Vertical display start positions
(low-order 8 bits)
T
H
(setting value of low-order 2 bits of VP2i
16
2
+ setting value of low-order 4 bits of VP1i
16
1
+ setting value of low-order 4 bits of VP1i
16
0
)
Notes 1:
Set values except “00
16
” “01
16
” to VP1i when VP2i is “00
16
.”
2:
T
H
is cycle of H
SYNC
.
b7b6b5b4b3b2b1b0
Vertical position register 2i (VP2i) (i = 1 to 16) [Addresses 0230
16
to 023F
16
]
B
Name
Functions
After reset
Indeterminate
R W
R W
Vertical Position Register 2i
0, 1 Control bits of vertical
display start positions
(VP1i0, VP1i1)
(See note 1)
Vertical display start positions
(high-order 2 bits)
T
H
(setting value of low-order 2 bits of VP2i
16
2
+ setting value of low-order 4 bits of VP1i
16
1
+ setting value of low-order 4 bits of VP1i
16
0
)
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are indeterminate.
2
to
7
Indeterminate
R —
Notes 1:
Set values except “00
16
” “01
16
” to VP1i when VP2i is “00
16
.”
2:
T
H
is cycle of H
SYNC
.
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