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PDF Z90348 Data sheet ( Hoja de datos )

Número de pieza Z90348
Descripción DIGITAL TELEVISION CONTROLLER IN-CIRCUIT EMULATOR (ICE) DEVICE
Fabricantes Zilog. 
Logotipo Zilog. Logotipo



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No Preview Available ! Z90348 Hoja de datos, Descripción, Manual

Zilog
PRELIMINARY
Z90349/Z90348
PRELIMINARY
CUSTOMER PROCUREMENT SPECIFICATION
FEATURES
s Part
ROM
Number (Word)
Z90349 0
Z90348 0
RAM
(Word)
1K
1K
Speed
(MHz)
12
12
s 144-Pin Grid Array (PGA) Package (Z90349)
100-Pin Quad Flat Pack (QFP) Package (Z90348)
s 4.5- to 5.5-Volt Operating Range
s Z89C00 RISC Processor Core
s 0°C to +70°C Temperature Range
Z90349/348
DIGITAL TELEVISION CONTROLLER
IN-CIRCUIT EMULATOR (ICE) DEVICE
s Direct Closed Caption Decoding
s TV Tuner Serial Interface
s Customized Character Set
s Character Control Mode
s Directly Controlled Receiver Functions
s V-Chip Decode
GENERAL DESCRIPTION
The Z90349 and Z90348 are ROMless versions of the
Z89300 family of Zilog's Digital Television Controllers
designed for use in emulators and development boards to
provide complete audio and video control of television
receivers, video recorders, and advanced on-screen
display facilities.
The powerful Z89C00 RISC processor core allows users to
control on-board peripheral functions and registers using
the standard processor instruction set.
In closed caption mode, text can be decoded directly from
the composite video signal and displayed on the screen
with assistance from the processor's digital signal
processing capabilities. The character representation in
this mode allows for a simple attribute control through the
insertion of control characters.
The character control mode provides access to the full set
of attribute controls. The modification of attributes is allowed
on a character-by-character basis. The insertion of control
characters permits direction of other character attributes.
Display attributes, including underlining, italics, blinking,
eight foreground/background colors, character position
offset delay, and background transparency, are made
possible through a fully customized 512 character set.
Serial interfacing with the television tuner is provided
through the tuner serial port. Digital channel tuning
adjustments may be accessed through the industry-
standard I2C port.
Additional hardware provides the capability to display two
to three times normal size characters. The smoothing logic
contained in the on-screen display circuit improves the
appearance of larger fonts. Special circuitry can be
activated to improve the visibility of text by adding a right-
sided shadow effect to the characters.
Receiver functions such as color and volume can be
directly controlled by six 8-bit pulse width modulated
ports.
Notes:
All Signals with a preceding front slash, "/", are active Low, e.g.:
B//W (WORD is active Low); /B/W (BYTE is active Low, only).
Power connections follow conventional descriptions below:
Connection
Power
Ground
Circuit
VCC
GND
Device
VDD
VSS
CP97TEL2600
1

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Z90348 pdf
Zilog
Number
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110
111
112
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114
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118
119
120
121
122
123
124
Pin Name
PWM2
gnd
P1A
P1B
PIC
PWM3
PWM4
PWM5
int_bus10
PWM6
int_bus11
P10/4<0>
int_bus12
P08/R<1>
VCC
P18/G<0>
P13/G<1>
gnd
P14/B<0>
P15/B<1>
int_bus13
P16/SCLK
int_bus14
IRIN
int_bus15
P0C
P0B
P0A
P19
P09
V
CC
P0D
address14
P07/CSync
address13
P06/Cnter
P1D
P1E
P1F
144-Pin
D15
C13
B14
A15
C12
B13
A14
B12
C11
A13
B11
A12
C10
B10
A11
B9
C9
A10
A9
B8
A8
C8
C7
A7
A6
B7
B6
C6
A5
B5
A4
A3
B4
C5
B3
A5
C4
C3
B2
PRELIMINARY
100-Pin
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
Z90349/Z90348
CP97TEL2600
5

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