參數(shù)資料
型號: SAA5553PS
廠商: NXP Semiconductors N.V.
英文描述: Standard TV Microcontrollers with On-Screen Display(OSD)
中文描述: 微控制器與標準電視屏幕顯示(OSD)
文件頁數(shù): 3/80頁
文件大?。?/td> 340K
代理商: SAA5553PS
1999 Oct 27
3
Philips Semiconductors
Preliminary specification
Standard TV microcontrollers with
On-Screen Display (OSD)
SAA55xx
1
FEATURES
Single-chip microcontroller with integrated On-Screen
Display (OSD)
Versions available with integrated data capture
One Time Programmable (OTP) memory for both
program Read Only Memory (ROM) and character sets
Single power supply: 3.0 to 3.6 V
5 V tolerant digital inputs and I/O
29 I/O lines via individual addressable controls
Programmable I/O for push-pull, open-drain and
quasi-bidirectional
Two port lines with 8 mA sink (at <0.4 V) capability, for
direct drive of Light Emitting Diode (LED)
Single crystal oscillator for microcontroller, OSD and
data capture
Power reduction modes: Idle and Power-down
Byte level I
2
C-bus with dual port I/O
Pin compatibility throughout family
Operating temperature:
20 to +70
°
C.
2
GENERAL DESCRIPTION
The SAA55xx standard family of microcontrollers are a
derivative of the Philips industry-standard 80C51
microcontroller, and are intended for use as the central
control mechanism in a television receiver. They provide
controlfunctionsforthetelevisionsystem,OSD,andsome
versions include an integrated data capture and display
function.
The data capture hardware has the capability of decoding
and displaying both 525 and 625-line World System
Teletext (WST), Video Programming System (VPS) and
Wide Screen Signalling (WSS) information. The same
display hardwareisused bothforTeletext andOSD, which
means that the display features available give greater
flexibility to differentiate the TV set.
The SAA55xx standard family offers a range of
functionality from non-text, 16-kbyte program ROM and
256-byte Random Access Memory (RAM), to a 10-page
text version, 64-kbyte program ROM and 1.2-kbyte RAM.
3
QUICK REFERENCE DATA
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
Supply
V
DDX
I
DDP
I
DDC
I
DDC(id)
I
DDC(pd)
I
DDC(stb)
I
DDA
I
DDA(id)
I
DDA(pd)
I
DDA(stb)
f
xtal
T
amb
T
stg
any supply voltage (V
DD
to V
SS
)
periphery supply current
core supply current
Idle mode core supply current
Power-down mode core supply current
Standby mode core supply current
analog supply current
Idle mode analog supply current
Power-down mode analog supply current
Standby mode analog supply current
crystal frequency
operating ambient temperature
storage temperature
3.0
1
20
55
3.3
15
4.6
0.76
5.11
45
0.87
0.45
0.95
12
3.6
18
6
1
6.50
48
1.0
0.7
1.20
+70
+125
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
MHz
°
C
°
C
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