M3727GM6 Datasheet, PDF (111/129 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

M3727GM6/M8–XXXSP/FP M37272E8SP/FP
OSD Port Control Register
b7 b6 b5 b4 b3 b2 b1 b0
00
OSD port control register (PF) [Address 00CB16]
B
Name
0, 1 Fix these bits to 0.
Functions
2 Port P52 output signal
selection bit (PF2)
0 : R signal output
1 : Port P52 output
3 Port P53 output signal
selection bit (PF3)
0 : G signal output
1 : Port P53 output
4 Port P54 output signal
selection bit (PF4)
0 : B signal output
1 : Port P54 output
5 Port P55 output signal
selection bit (PF5)
0 : OUT1 signal output
1 : Port P53 output
6 Nothing is assigned. This bit is write disable bit.
When this bit is read out, the value is 0.
7 Port P10 output signal
selection bit (PF7)
0 : Port P10 output
1 : OUT2 signal output
Address 00CB16
After reset R W
0R
0 RW
0 RW
0 RW
0 RW
0R
0 RW
Address 00D016
OSD Control Register
b7 b6 b5 b4 b3 b2 b1 b0
0
OSD control register (OC) [Address 00D016]
B
Name
Functions
After reset R W
0 OSD control bit
(OC0) (See note)
0 : All-blocks display off
1 : All-blocks display on
1 Automatic solid space 0 : OFF
control bit (OC1)
1 : ON
0 RW
0 RW
2 Window control bit
(OC2)
0 : OFF
1 : ON
0 RW
3 ^{CC mode clock}
0 : Data slicer clock
selection bit (OC3) 1 : Clock from OSC1 pin
0 RW
4 OSD mode clock
0 : Data slicer clock
selection bit (OC4) _{1 : Clock from OSC1 pin}
0 RW
5, 6 OSC1 clock
selection bit
(OC5, OC6)
b6 b5
0 0: 32 kHz oscillating
0 1: Do not set.
1 0: LC oscillating,
Ceramic oscillating
1 1: Do not set.
0 RW
7 Fix this bit to 0.
0 RW
Note: Even this bit is switched during display, the display screen
remains unchanged until a rising (falling) of the next V SYNC.
Rev.1.00 Apr 01, 2001 page 111 of 127
REJ03B0132-0100Z