Z90251 Datasheet, PDF (10/97 Pages) Zilog, Inc. – eZVision 200 Television Controllers with OSD

Z90255 ROM and Z90251 OTP
32 KB Television Controller with OSD
2
FM Audio
Audio
Color
Decoder
R.G.B.
MUX
R.G.B. _RGB
Output
CRT
Television
Stages
Tuner
Composite
IF Demodulator
Video
Deflection
HSYNC, VSYNC
Unit
R.G.B.
VBLANK
SYNC
Control
Tuning
Control
Z90255 Television
OSD Controller
I²C Bus
Front Panel
Keypad
I/R
Detector
Figure 1 Z90255-Based TV System Application
PS001301-0800