Z90102 Datasheet, PDF (1/36 Pages) Zilog, Inc. – 40-Pin Low-Cost Digital Television Controller

PRODUCT SPECIFICATION
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Z90102/103/104
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40-PIN LOW-COST DIGITAL
TELEVISION CONTROLLER
FEATURES
8-Bit CMOS Microcontroller for Consumer
Television, Cable and Satellite Receiver Ap-
plications.
Device
ROM
RAM*
(KB)
(Bytes)
I/O
Z90102
4
236
24
Z90103
6
236
24
Z90104
8
236
24
Note: *General-Purpose
s Lowest Cost DTC Family Member
s Low Power Consumption
s Fast Instruction Pointer - 1.5 ms @ 4 MHz
s Two Standby Modes - STOP and HALT
s Low Voltage Detection/Voltage Sensitive Reset
s Port 2 (8-Bit Programmable I/O) and Port 3 (2-Bit Input,
3-Bit Output) Register Mapped Ports
s Port 6 (6-Bit Input and Tristate Comparator AFC Input)
Memory Mapped I/O Ports
s All Digital CMOS Levels Schmitt-Triggered
s Two Programmable 8-Bit Counter/Timers each with 6-
Bit Programmable Prescaler.
s Six Vectored, Priority Interrupts from Six Different
Sources
s Clock Speed up to 4 MHz
s On-Chip Oscillator that Accepts a Crystal, Ceramic
Resonator, LC or External Clock Drive
s Permanently Enabled
Watch-Dog/Power-On Reset Timer
s 3K x 6-Bit Character Generator ROM
s 120 x 7-Bit Video RAM
s 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.
s Fully Programmable Color Attributes Including Row
Character, Row Background/Fringes, Frame
Background/Position, Bar Graph Color Change, and
Character Size.
s Programmable Display Position and Character Size
Control
s One Pulse Width Modulator (14-Bit Resolution) for
Voltage Synthesis Tuner Control.
s Three Pulse Width Modulator (8-Bit Resolution) for
Picture Control
s Three Pulse Width Modulators (6-Bit Resolution) for
Audio Control
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
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
DS97TEL1902
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