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Número de pieza SAA5290ZP
Descripción One page Economy Teletext/TV microcontroller
Fabricantes NXP Semiconductors 
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No Preview Available ! SAA5290ZP Hoja de datos, Descripción, Manual

INTEGRATED CIRCUITS
DATA SHEET
SAA5290
One page Economy Teletext/TV
microcontroller
Preliminary specification
File under Integrated Circuits, IC02
February 1995
Philips Semiconductors

1 page




SAA5290ZP pdf
Philips Semiconductors
One page Economy Teletext/TV
microcontroller
Preliminary specification
SAA5290
SYMBOL
VSYNC
VDDA
VDDT
OSCGND
OSCIN
OSCOUT
RESET
VDDM
P1.0/INT1
P1.1/T0
P1.2/INT0
P1.3/T1
P1.6/SCL
P1.7/SDA
P1.4
P1.5
PIN DESCRIPTION
37 Vertical sync dedicated input for a TTL-level version of the vertical sync pulse. The
polarity of this pulse is programmable by register bit TXT1.V POLARITY.
38 +5 V analog power supply.
39 +5 V teletext power supply.
40 Crystal oscillator ground.
41 12 MHz crystal oscillator input.
42 12 MHz crystal oscillator output.
43 If the reset input is HIGH for 2 machine cycles (24 oscillator periods) while the oscillator
is running, the SAA5290 is reset. This pin should be connected to VDDM via a 2.2 µF
capacitor.
44 +5 V microcontroller power supply.
45 PORT 1: 8-bit open-drain bidirectional port with alternative functions. P1.0/INT1 is
46 external interrupt 1 which can be triggered on the rising and falling edge of the pulse.
47
P1.1/T0 is the counter/timer 0. P1.2/INT0 is external interrupt 0. P1.3/T1 is the
counter/timer 1. P1.6/SCL is the serial clock input for I2C-bus. P1.7/SDA is the serial
48 data port for the I2C-bus.
49
50
51
52
February 1995
5

5 Page





SAA5290ZP arduino
Philips Semiconductors
One page Economy Teletext/TV
microcontroller
Preliminary specification
SAA5290
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
ADC0, ADC1 AND ADC2
VIL LOW level input voltage
Analog input/output
0.3 VDD V
BLACK
Cblack
Vblack
storage capacitor to ground
black level voltage for nominal
sync amplitude
ILI input leakage current
Crystal oscillator
100 nF
1.8 2.15 2.5 V
10 +10 µA
OSCIN
VIL LOW level input voltage
VIH HIGH level input voltage
CI input capacitance
0.3
0.7VDD
0.2VDD 0.1 V
VDD + 0.3 V
10 pF
OSCOUT
fosc crystal oscillator frequency
CO output capacitance
12 MHz
10
pF
CRYSTAL SPECIFICATION (note 2)
fxtal nominal frequency
CL load capacitance
C1 series capacitance
C0 parallel capacitance
Rr resonance resistance
Txtal temperature range
Xj adjustment tolerance
Xd drift
Tamb = 25 °C
Tamb = 25 °C
Tamb = 25 °C
Tamb = 25 °C
12 MHz
32 pF
18.5 fF
4.9 pF
35 − Ω
20 +25 +70 °C
− − ±50 × 106
− − ±30 × 106
Notes
1. All RGB current is sourced from the RGBREF pin. The maximum effective series resistance between RGBREF and
the R, G and B pins is 150 .
2. Crystal order number 4322 143 05561.
February 1995
11

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