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MITSUBISHI MICROCOMPUTERS
M37271MF-XXXSP
M37271EF-XXXSP, M37271EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
73
Fig. 82. Structure of window L registers
Fig. 81. Structure of window H registers
Window L register 1
(WL1 : address 021D
)
Control bits of window bottom boundary (Note)
Bottom boundary position (low-order 8bits)
T
H
(setting value of low-order 2bits of
WL216 +setting value of high-order
4bits of WL116 +setting value of
low-order 4bits of WL116 )
2
0
1
Window L register 2
(WL2 : address 021F
)
Control bits of window bottom boundary (Note)
Bottom boundary position (high-order 2bits)
T
H
(setting value of low-order 2bits of
WL216 +setting value of high-order
4bits of WL116 +setting value of
low-order 4bits of WL116 )
2
0
1
Note : Set values fit for the following condition : (WH1+WH2)< (WL1+WL2).
16
16
Window H register 1
(WH1 : address 021C
)
Control bits of window top boundary (Note)
Top boundary position (low-order 8bits)
T
H
(setting value of low-order 2bits of
WH216 +setting value of high-order
4bits of WH116 +setting value of
low-order 4bits of WH116 )
2
0
1
Window H register 2
(WH2 : address 021E
)
Control bits of window top boundary (Note)
Top boundary position (high-order 2bits)
T
H
(setting value of low-order 2bits of
WH216 +setting value of high-order
4bits of WH116 +setting value of
low-order 4bits of WH116 )
2
0
1
Note : Set values except “00
16
” and “01
16
” to the WH1 when the WH2 is “00
16.
16
16
7
0
7
0
7
0
7
0
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