參數(shù)資料
型號: SAA5491PS
廠商: NXP Semiconductors N.V.
英文描述: DPST MINIATURE POWER RELAY
中文描述: 經(jīng)濟(jì)圖文電視和電視微控制器
文件頁數(shù): 5/68頁
文件大小: 612K
代理商: SAA5491PS
1997 Jul 07
5
Philips Semiconductors
Preliminary specification
Economy teletext and TV microcontrollers
SAA5x9x family
5
BLOCK DIAGRAM
Fig.1 Block diagram.
handbook, full pagewidth
MGK462
PORT 1
PORT 0
PORT 3
PORT 2
TIMER/
CTRS
I
2
C-BUS
INTERFACE
ADC
SAA5x9x
PWM
8051
MICRO-
CONTROLLER
OSCILLATOR
TEXT
INTERFACE
512
×
8
AUX RAM
256
×
8
RAM
32K
×
8
ROM
ACQUISITION
TIMING
PAGE
RAM
DISPLAY
TIMING
DATA SLICER
DISPLAY
TELETEXT
ACQUISITION
BLACK
IREF
VDDA
VDDM
VDDT
VSSA
VSSD
CVBS0,
CVBS1
RESET
P1.0 to P1.7
P0.0 to P0.7
P3.0 to P3.7
P2.0 to P2.7
XTALIN
XTALOUT
OSCGND
VSYNC
HSYNC
FRAME
R, G, B,
VDS,
COR
data
address
int
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