參數(shù)資料
型號: SAA567X
廠商: NXP Semiconductors N.V.
英文描述: Enhanced TV microcontrollers with On-Screen Display (OSD)
中文描述: 與微控制器在強化電視屏幕顯示(OSD)
文件頁數(shù): 66/116頁
文件大?。?/td> 532K
代理商: SAA567X
2002 May 06
66
Philips Semiconductors
Objective specification
Enhanced TV microcontrollers with
On-Screen Display (OSD)
SAA567x; SAA569x
23 DISPLAY
The display section (see Fig.25) is based on the
requirements for a Level 1.5 WST Teletext and US Closed
Caption. There are some enhancements for use with
locally generated on-screen displays.
The display section reads the contents of the Display
memory and interprets the control/character codes. From
this information and other global settings, the display
produces the required RGB signals and Video/Data (Fast
Blanking) signal for a TV signal processing device.
The display is synchronized to the TV signal processing
device by horizontal and vertical sync signals from
external circuits (Slave Sync mode). All display timings are
derived from these signals. The SAA567x; SAA569x
display section incorporates enhancements over the rest
of the SAA56xx family, to allow the device to support basic
Progressive Scan mode and Progressive Scan with
Interlace mode. In basic Progressive Scan mode the
DISP FIELD bit will be forced to toggle every Vsync
enabling software to distinguish a notional display field.
handbook, full pagewidth
MICROPROCESSOR
INTERFACE
DISPLAY
TIMING
HSYNC
VSYNC
CHARACTER
FONT
ADDRESSING
address
data
data
address
address
data
data
address
data
control
to memory interface
from memory interface
PHASE
SELECTOR
FUNCTION REGISTERS
FOR PAGE A AND PAGE B
PAGE B
PARALLEL/SERIAL
CONVERTER WITH
SMOOTHING AND FRINGING
ATTRIBUTE HANDLING
FOR PAGE A AND PAGE B
CLUT RAM
DISPLAY DATA ADDRESSING
FOR PAGE A AND PAGE B
GSA062
CLK
12/24 MHz display
CHARACTER
ROM
AND
DRCs
DATA
BUFFER
DAC
DAC
DAC
G
B
FB
R
Fig.25 Display block diagram.
相關PDF資料
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SAA5695HL Enhanced TV microcontrollers with On-Screen Display (OSD)
SAA569x Enhanced TV microcontrollers with On-Screen Display (OSD)
SAA5677HL Enhanced TV microcontrollers with On-Screen Display (OSD)
SAA5700GP Chinese Character System Teletext CCST decoder
SAA5700 Chinese Character System Teletext CCST decoder
相關代理商/技術參數(shù)
參數(shù)描述
SAA5695HL 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display (OSD)
SAA5697HL 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display (OSD)
SAA569X 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display (OSD)
SAA5700 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Chinese Character System Teletext CCST decoder
SAA5700GP 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Chinese Character System Teletext CCST decoder