Z90102
| Model | Z90102 |
| Description | 40-Pin Low-Cost Digital Television Controller |
| PDF file | Total 36 pages (File size: 233K) |
| Chip Manufacturer | ZILOG |
P
RODUCT
S
PECIFICATION
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Z90102/103/104
40-P
IN
L
OW
-C
OST
D
IGITAL
T
ELEVISION
C
ONTROLLER
FEATURES
8-Bit CMOS Microcontroller for Consumer
Television, Cable and Satellite Receiver Ap-
plications.
Device
Z90102
Z90103
Z90104
ROM
(KB)
4
6
8
RAM*
(Bytes)
236
236
236
I/O
24
24
24
s
s
1
Clock Speed up to 4 MHz
On-Chip Oscillator that Accepts a Crystal, Ceramic
Resonator, LC or External Clock Drive
Permanently Enabled
Watch-Dog/Power-On Reset Timer
3K x 6-Bit Character Generator ROM
120 x 7-Bit Video RAM
Mask Programmable 96-Character Set Display. The
90102 and 90103 6-Row x 20 Column Format, 12x15
Pixel Character Cell. The 90104 8-Row x 20 Column
Format 12x15 Pixel Character Cell. The 90102, 90103
90104 Capable of supporting English, Korean, Thai,
Chinese and Japanese High Resolution Characters.
Fully Programmable Color Attributes Including Row
Character,
Row
Background/Fringes,
Frame
Background/Position, Bar Graph Color Change, and
Character Size.
Programmable Display Position and Character Size
Control
One Pulse Width Modulator (14-Bit Resolution) for
Voltage Synthesis Tuner Control.
Three Pulse Width Modulator (8-Bit Resolution) for
Picture Control
Three Pulse Width Modulators (6-Bit Resolution) for
Audio Control
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Note:
*General-Purpose
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Lowest Cost DTC Family Member
Low Power Consumption
Fast Instruction Pointer - 1.5
m
s @ 4 MHz
Two Standby Modes - STOP and HALT
Low Voltage Detection/Voltage Sensitive Reset
Port 2 (8-Bit Programmable I/O) and Port 3 (2-Bit Input,
3-Bit Output) Register Mapped Ports
Port 6 (6-Bit Input and Tristate Comparator AFC Input)
Memory Mapped I/O Ports
All Digital CMOS Levels Schmitt-Triggered
Two Programmable 8-Bit Counter/Timers each with 6-
Bit Programmable Prescaler.
Six Vectored, Priority Interrupts from Six Different
Sources
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GENERAL DESCRIPTION
The Z90102/3/4 40-pin Low-Cost Digital Television Con-
troller are members of the Z8
®
STOP Mode MCU single-
chip family with 4, 6, and 8 KB of ROM and 236 bytes of
RAM. The device is offered in a 40-pin package and is
DS97TEL1902
CMOS compatible. The DTC offers mask programmed
ROM which enables the Z8
®
MCU to be used in a high vol-
ume production application device embedded with a cus-
tom program (customer supplied program) and combines
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