M37280MF Datasheet, PDF (167/178 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

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MITSUBISHI MICROCOMPUTERS
M37280MF–XXXSP, M37280MK–XXXSP
M37280EKSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Address 021C16
Top Border Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Top border control register 1 (TB1) [Address 021C16]
B
Name
0 Control bits of
to top border
7 ^{(TB10 to TB17)}
Functions
After reset R W
Top border position (low-order 8 bits)
TH !
Indeterminate R W
(setting value of low-order 2 bits of TB2 ! 16²
+ setting value of high-order 4 bits of TB1 ! 16¹
+ setting value of low-order 4 bits of TB1 ! 16⁰)
Notes 1: Do not set “0016” or “0116” to the TB1 at TB2 = “0016.”
2: TH is cycle of HSYNC.
3: TB2 is top border control register 2.
Address 021D16
Bottom Border Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Bottom border control register 1 (BB1) [Address 021D16]
B
Name
0 Control bits of
to bottom border
7 ^{(BB10 to BB17)}
Functions
After reset R _W
Bottom border position (low-order 8 bits)
Indeterminate R W
TH !
(setting value of low-order 2 bits of BB2 ! 16²
+ setting value of high-order 4 bits of BB1 ! 16¹
+ setting value of low-order 4 bits of BB1 ! 16⁰)
Notes 1: Set values fit for the following condition:
(TB1 + TB2 ! 16²) < (BB1 + BB2 ! 16²).
2: TH is cycle of HSYNC.
3: BB2 is bottom border control reigster 2.
Rev. 1.0
167