M37281EKSP Datasheet, PDF (142/172 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

M37281MAH–XXXSP,M37281MFH–XXXSP,M37281MKH–XXXSP, M37281EKSP
Address 00CE16
OSD Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
OSD control register 1 (OC1) [Address 00CE16]
B
Name
Functions
0 ^{OSD control bit}
0 : All-blocks display off
(OC10) (See note 1) 1 : All-blocks display on
1 ^{Scan mode selection 0 : Normal scan mode}
bit (OC11)
1 : Bi-scan mode
After reset R _W
0 RW
0 RW
2 ^{Border type selection 0 : All bordered}
0 RW
bit (OC12)
1 : Shadow bordered (See note 2)
3 ^{Flash mode selection 0 : Color signal of character background 0 R W}
bit (OC13)
part does not flash
1 : Color signal of character background
part flashes
4 Automatic solid space 0 : OFF
control bit (OC14) _{1 : ON}
0 RW
5 _{Vertical window/blank} 0 : OFF
control bit (OC15) 1 : ON
6, 7 Layer mixing control
bits (OC16, OC17)
(See note 3)
b7 b6
0 0: Logic sum (OR) of layer 1’s
color and layer 2’s color
0 1: Layer 1’s color has priority
1 0: Layer 2’s color has priority
1 1: Do not set.
0 RW
0 RW
Notes 1 : Even this bit is switched during display, the display screen
remains unchanged until a rising (falling) of the next VSYNC.
2 : Shadow border is output at right and bottom side of the font.
3 : OUT2 is always ORed, regardless of values of these bits.
Address 00CF16
Horizontal Position Register
b7 b6 b5 b4 b3 b2 b1 b0
Horizontal position register (HP) [Address 00CF16]
B
Name
Functions
0 _{Control bits of horizontal} ^{Horizontal display start positions}
to _{display start positions}
7 (HP0 to HP7)
4TOSC ✕
(setting value of high-order 4 bits ✕ 16¹
+setting value of low-order 4 bits ✕ 16⁰)
After reset R W
0 RW
Notes 1. The setting value synchronizes with the VSYNC.
2. TOSC = OSD oscillation period.
Rev.1.01 2003.07.16 page 142 of 170