M37281EKSP Datasheet, PDF (111/172 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
Left Border Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Left border control register 1 (LB1) [Address 025016]
B
Name
0 Control bits of
left border
1 _{(LB10 to LB17)}
to
7
Functions
After reset R W
Left border position (low-order 8 bits)
1
TOSC ✕
(setting value of low-order 3 bits of LB2 ✕16²
0
+ setting value of high-order 4 bits of LB1 ✕16¹
+ setting value of low-order 4 bits of LB1 ✕16⁰)
RW
Notes 1: Do not set LB1 = LB2 = “0016.”
2: Set values fit for the following condition:
(LB1 + LB2 ✕ 16²) < (RB1 + RB2 ✕ 16²).
3: TOSC is OSD oscillation period.
4: LB2 is left border control register 2.
Fig. 8.11.50 Left BorderControl Register 1
Left Border Control Register 2
b7 b6 b5 b4 b3 b2 b1 b0
Left border controlregister 2 (LB2) [Address 025116]
B
Name
Functions
After reset R W
0 Control bits of
Left borderposition (high-order 3 bits)
0 RW
to left border
TOSC ✕
2 (LB20 to LB22) _{(setting value of low-order 3 bits of LB2 ✕16}2
+ setting value of high-order 4 bits of LB1 ✕16¹
+ setting value of low-order 4 bits of LB1 ✕16⁰)
3 _{Nothing is assigned. These bits are write disable bits.}
to _{When these bits are read out, the values are indeterminate.}
7
Notes 1: Do not set LB1 = LB2 = “0016.”
2: Set values fit for the following condition:
(LB1 + LB2 ✕ 16²) < (RB1 + RB2 ✕ 16²).
3: TOSC is OSD oscillation period.
4: LB1 is left border control register 1.
0 RW
Fig. 8.11.51 Left BorderControl Register 2
Rev.1.01 2003.07.16 page 111 of 170