M37281EKSP Datasheet, PDF (112/172 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
Right Border Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Right border control register 1 (RB1) [Address 025216]
B
Name
Functions
After reset R W
0 ^{Control bits of Right border position (low-order 8 bits)}
to ^{right border}
TOSC ✕
7 ^{(RB10 to RB17)} (setting value of low-order 3 bits of RB2 ✕16²
1 RW
+ setting value of high-order 4 bits of RB1 ✕16¹
+ setting value of low-order 4 bits of RB1 ✕16⁰)
Notes 1: Set values fit for the following condition:
(LB1 + LB2 ✕ 16²) < (RB1 + RB2 ✕ 16²).
2: TOSC is OSD oscillation period.
3: RB2 is right border control register 2.
Fig. 8.11.52 Right Border Control Register 1
Right Border Control Register 2
b7 b6 b5 b4 b3 b2 b1 b0
Right border control register 2 (RB2) [Address 025316]
B
Name
Functions
After reset R W
0 Control bits of Right border position (high-order 3 bits)
1
to right border
TOSC✕
2 (RB20 to RB22) _{(setting value of low-order 3 bits of RB2 ✕16}2
+ setting value of high-order 4 bits of RB1 ✕ 16¹
+ setting value of low-order 4 bits of RB1 ✕16⁰)
3 _{Nothing is assigned. These bits are write disable bits.}
to _{When these bits are read out, the values are “0”.}
0
7
Notes 1: Set values fit for the following condition:
(LB1 + LB2 ✕ 16²) < (RB1 + RB2 ✕ 16²).
2: TOSC is OSD oscillation period.
3: RB1 is right border control register 1.
RW
RW
Fig. 8.11.53 Right Border Control Register 2
Rev.1.01 2003.07.16 page 112 of 170