Renesas PCA7401 Technical Information PDF herunterladen (Seite 73)

MITSUBISHI MICROCOMPUTERS

M37270MF-XXXSP

M37270EF-XXXSP, M37270EFSP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER

and ON-SCREEN DISPLAY CONTROLLER

Fig. 79. Structure of window L registers

Fig. 78. Structure of window H registers

Window L register 1

(WL1 : address 021D16)

Control bits of window bottom boundary (Note)

Bottom boundary position (low-order 8bits)

H✕(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 )

Window L register 2

(WL2 : address 021F16)

Control bits of window bottom boundary (Note)

Bottom boundary position (high-order 2bits)

H✕(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 )

Note : Set values fit for the following condition : (WH1+WH2) < (WL1+ WL2) .

Window H register 1

(WH1 : address 021C16)

Control bits of window top boundary (Note)

Top boundary position (low-order 8bits)

H✕(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 )

Window H register 2

(WH2 : address 021E16)

Control bits of window top boundary (Note)

Top boundary position (high-order 2bits)

H✕(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 )

Note : Set values except “0016” and “0116” to the WH1 when the WH2 is “0016.”

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Renesas PCA7401 Technical Information Seite 73