M3727GM6 Datasheet, PDF (61/129 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
Clock for OSD
OSC1 OSC2 ^{HSYNC VSYNC}
Data slicer clock
Display
oscillation
circuit
OSD Control circuit
RAM for OSD
2 bytes ✕ 32 characters ✕ 2 lines
Control registers for OSD
OSD control register
Horizontal position register
Block control register i
Vertical position register i
Window register i
I/O polarity control register
Raster color register
(address 00D016)
(address 00D116)
(addresses 00D216, 00D316)
(addresses 00D416, 00D516)
(addresses 00D616, 00D716)
(address 00D816)
(address 00D916)
ROM for OSD
16 dots ✕ 20 dots ✕ 254 characters
Shift register
16-bit
Data bus
Fig. 8.11.2 Block Diagram of OSD Circuit
Output circuit
R
G
B
OUT1 OUT2
Rev.1.00 Apr 01, 2001 page 61 of 127
REJ03B0132-0100Z