Z90T365 ROM, Z90T366 ROM, Z90T361 OTP
eZVision 32/64 KWord Television Controller
with On-Screen Display
PB003103-0301
PRODUCT BRIEF
Product Block Diagram
On-Screen Display Features
Relocatable CGROM for large and multiple character
sets
32/64 KWords ROM or OTP
DSP Core RAM
16x16, 16x18, and 16x20 pixel matrices
ADC
Hardware cursor with 4 colors per pixel and
pixel-by-pixel positioning
OSD Engine
Semi-transparency, blinking, multi-color icons, italic,
bold and underline characters
Hardware Cursor
2
Integrated Vertical Blank Interval (VBI) decoding
PWM
I C
I/O Ports
General Description
TV Control Features
ZiLOG’s eZVision Z90T36x TV controller with
On-Screen Display (OSD) is a highly integrated solution
for television design. The Z90T36x features a high-speed
16-bit, advanced Digital Signal Processor (DSP) and
powerful OSD engine. Flexible and sophisticated, the
OSD includes video display attributes, semi-transparency,
programmable color palettes, and a hardware cursor for
easy user interface. The Z90T36x supports parental
control, closed captioning, and Extended Data System
(XDS).
Six Channel, 4-bit Analog-to-Digital Converter that
supports:
Automatic frequency tuning
Analog front-panel buttons
Audio level input adjustment
VBI decoding
Six Pulse Width Modulators (PWM) to control video,
audio, and tuners
2
I C bus interface
The Z90T36x is an ideal choice for mainstream television
sets for both PAL and NTSC standards.
Twenty-four programmable I/Os
On-chip Infrared (IR) capture register
The Z90T36x family consists of three basic devices
the Z90T365 masked ROM (32 KWords)
the Z90T366 masked ROM (64 KWords)
the Z90T361 One Time Programmable (OTP) device
Controller Features
16-bit Single-cycle instruction execution
In addition, ZiLOG provides a comprehensive
development suite for television system developers
including an emulator capable of OTP programming,
OSD evaluation board, C-compiler, Application
Programming Interface (API), ZiLOG’s Developer Studio
(ZDS) software, and Graphical User Interface (GUI) OSD
design tools. These tools enable TV developers to work
efficiently and effectively to bring new products to
market.
Phase Lock Loop (PLL), controlled by a 32 KHz
external crystal
32/64 KWord ROM or OTP with re-locatable
Character Generation ROM
1 KWord of RAM
52-pin SDIP package