saa5290ps NXP Semiconductors, saa5290ps Datasheet - Page 10
saa5290ps
Manufacturer Part Number
saa5290ps
Description
Economy Teletext And Tv Microcontrollers
Manufacturer
NXP Semiconductors
Datasheet
1.SAA5290PS.pdf
(72 pages)
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Philips Semiconductors
1998 Dec 14
RGBREF
B
G
R
VDS
HSYNC
VSYNC
V
V
OSCGND
XTALIN
XTALOUT
RESET
V
P1.0/INT1
P1.1/T0
P1.2/INT0
P1.3/T1
P1.6/SCL
P1.7/SDA
P1.4
P1.5
REF+
REF
RD
WR
PSEN
ALE
EA
AD0 to AD7
A8 to A15
DDA
DDT
DDM
Economy teletext and TV microcontrollers
SYMBOL
SDIP52
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
PIN
55 to 52,
69 to 76
35 to 32
QFP80
39
40
41
42
43
45
47
49
51
56
57
58
59
62
63
64
60
61
65
66
67
68
50
19
10
17
18
13
11
DC input voltage to define the output HIGH level on the RGB pins.
Pixel rate output of the BLUE colour information.
Pixel rate output of the GREEN colour information.
Pixel rate output of the RED colour information.
Video/data switch push-pull output for dot rate fast blanking.
Schmitt trigger input for a TTL level version of the horizontal sync pulse; the
polarity of this pulse is programmable by register bit TXT1.H POLARITY.
Schmitt trigger input for a TTL level version of the vertical sync pulse;
the polarity of this pulse is programmable by register bit TXT1.V POLARITY.
+5 V analog power supply.
+5 V teletext power supply.
Crystal oscillator ground.
12 MHz crystal oscillator input.
12 MHz crystal oscillator output.
For a recommended reset circuit refer to the application diagram shown in
Fig.29.
+5 V microcontroller power supply.
Port 1: 8-bit open-drain bidirectional port with alternate functions.
P1.0/INT1 is external interrupt 1 which can be triggered on the rising and
falling edge of the pulse.
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 the I
P1.7/SDA is the serial data port for the I
Positive reference voltage for software driven ADC.
Negative reference voltage for software driven ADC.
Read control signal to external Data Memory.
Write control signal to external Data Memory.
Enable signal for external Program Memory.
External latch enable signal; active HIGH.
Control signal used to select external (LOW) or internal (HIGH) Program
Memory.
Address lines A0 to A7 multiplexed with data lines D0 to D7.
Address lines A8 to A15.
10
DESCRIPTION
2
C-bus.
2
C-bus.
SAA5x9x family
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