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79
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274MA-XXXSP
PRELIMINARY
Notice:
This
is not
a final
specification.
Some
paramentic
limits
are
subject
to change.
MITSUBISHI MICROCOMPUTERS
Fig. 87. Window L Registers
Fig. 86. Window H Registers
7
Window L register 1
(WL1 : address 021D 16)
Control bits of window bottom boundary (Note)
Bottom boundary position (low-order 8bits)
TH ! (setting value of low-order 2bits of
WL2 ! 16 + setting value of high-order
4bits of WL1 ! 16 + setting value of
low-order 4bits of WL1 ! 16 )
2
0
1
Window L register 2
(WL2 : address 021F16)
Control bits of window bottom boundary (Note)
Bottom boundary position (high-order 2bits)
TH ! (setting value of low-order 2bits of
WL2 ! 16 + setting value of high-order
4bits of WL1 ! 16 + setting value of
low-order 4bits of WL1 ! 16 )
2
0
1
Note : Set values fit for the following condition : (WH1 + WH2) < (WL1 + WL2).
7
Window H register 1
(WH1 : address 021C 16)
Control bits of window top boundary (Note)
Top boundary position (low-order 8bits)
TH ! (setting value of low-order 2bits of
WH2 ! 16 + setting value of high-order
4bits of WH1 ! 16 + setting value of
low-order 4bits of WH1 ! 16 )
2
0
1
Window H register 2
(WH2 : address 021E16)
Control bits of window top boundary (Note)
Top boundary position (high-order 2bits)
TH ! (setting value of low-order 2bits of
WH2 ! 16 + setting value of high-order
4bits of WH1 ! 16 + setting value of
low-order 4bits of WH1 ! 16 )
2
0
1
Note : Set values except “00 16” and “0116” to the WH1 when the WH2 is “0016.”
0