M37160M8 Datasheet, PDF (54/131 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

M37160M8/MA/MF-XXXSP/FP,M37160EFSP/FP
OSD Control Register
b7 b6 b5 b4 b3 b2 b1 b0
0011
OSD control register (OC) [Address 00D016]
B
Name
0 OSD control bit
(OC0) (See note 1)
Functions
0 : All-blocks display off
1 : All-blocks display on
1 Automatic solid space 0 : OFF
control bit (OC1)
1 : ON
2 Window control bit
(OC2)
0 : OFF
1 : ON
3, 4 Fix these bits to “1.”
After reset R W
0 RW
0 RW
0 RW
0 RW
5, 6 Fix these bits to “0.”
0 RW
7 Pre-divide ratio
selection bit (OC7)
(See note 2)
0 : Divide ratio by the block
control register
1 : Pre-divide ratios = ✕ 1
for blocks 1 and 2
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: This bit's priority is higher than BCi4 of Block Control
Register i setting.
The pre-divide ratio 1 cannot be used in CD OSD mode.
Fig. 8.10.3 OSD Control Register
Rev.1.01 2003.11.13 page 54 of 130