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Z90218 Datasheet

  • Z90218

  • Z8 Digital Television Controllers

  • 10頁(yè)

  • ZILOG   ZILOG

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P
RELIMINARY
C
USTOMER
P
ROCUREMENT
S
PECIFICATION
1
Z90219/213/212/211/218
Z8
廬
D
IGITAL
T
ELEVISION
C
ONTROLLERS
FEATURES
Device
Z90211
Z90218
Z90212
Z90213
Z90219
ROM
(KB)
16 (OTP)
8
12
16
32 (ext.)
RAM*
(Bytes)
237
237
237
237
237
I/O
Lines
20
20
20
20
N/A
Voltage
Range
4.5V to 5.5V
4.5V to 5.5V
4.5V to 5.5V
4.5V to 5.5V
4.5V to 5.5V
s
s
s
s
1
On-Chip Infrared (IR) Capture Registers
Four Channel 3-bit Analog-to-Digital Converter
Twenty General Purpose I/O Pins
I
2
C Serial Communication Port)
Note:
OTP and Z9021x products under development
On Screen Display (OSD) Section
s
Z8-Based CMOS Microcontroller for Consumer
Television, Cable Box, and Satellite Receiver
Applications.
s
s
s
s
Supports Displays up to 10 rows by 24 Columns with
256 Characters
Character Cell Resolution of 14 Pixels by 18 Scan lines
Variable Inter-row Spacing from 0-15 Horizontal Scan
Lines
Foreground
and
Background
Programmable by Character
Colors
Fully
s
s
42-Pin SDIP Package
Z8
廬
Microcontroller Core at 6 MHz
Mask ROM sizes Available in 8, 12 and 16 Kbytes
Eleven Pulse Width Modulators
s
GENERAL DESCRIPTION
The Z9021x Digital Television Controller (DTC) family is
Zilog鈥檚 latest and most powerful Z8-based DTC product of-
fering. These parts feature larger system RAM and ROM
options, together with a host of new features including a
new color palette system, flexible inter-row spacing, higher
character cell resolution, background mesh effect, dedicat-
ed I.R. capture registers, on-chip Analog-to-Digital conver-
sion, and a hardware Master mode I
2
C interface. The fa-
miliar Z8 core in combination with these advanced features
makes the Z9021x family an ideal choice for low to mid-
range televisions in both PAL and NTSC markets.
The Z9021x family consists of two basic device types;
Z9020x and Z9021x. The only difference between the two
types is the presence of a hardware I
2
C serial communica-
tion port and half-tone OSD circuitry on the Z9021x family.
Of course I
2
C communication is supported on the Z9020x
family in software with the dedication of any two I/O pins to
the task.
The Z9021x family takes full advantage of the Z8鈥檚 ex-
panded register file space to offer greater flexibility in On
Screen Display creation.
CP96TEL2400
PRELIMINARY
1

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