參數(shù)資料
型號(hào)： SAA5290PS
廠商： NXP Semiconductors N.V.
英文描述： Economy teletext and TV microcontrollers
中文描述： 經(jīng)濟(jì)圖文電視和電視微控制器
文件頁(yè)數(shù)： 20/33頁(yè)
文件大?。?/td> 360K
代理商： SAA5290PS
February 1995
20
Philips Semiconductors
Preliminary specification
One page Economy Teletext/TV
microcontroller
SAA5290
S1SCS - Serial I
2
C-bus control (WRITE)
SDO
SCO
CLH
STR
ENS
Serial data output at SDA.
Serial clock output at SCL.
Clock LOW-to-HIGH transition.
Clock stretching enable (logic 1).
Enable serial I/O (logic 1).
TDACH - 14-bit PWM MSB register
PWE
TD8 to TD13
Activate this 14-bit PWM and take over port pin (logic 1).
6 LSBs of this value to be output by the 14-bit PWM.
TDACL - 14-bit PWM LSB register
TD0 to TD7
8 LSBs of this value to be output by the 14-bit PWM.
TXT0 - Teletext register 0 (WRITE only)
X24 POSITION
AUTO FRAME
DISABLE HDR ROLL Do not write rolling headers and time into memory (logic 1).
STATUS ROW ONLY
Display only memory row (logic 1).
DISABLE FRAME
Frame output always LOW (logic 1).
Store packet 24 in extension packet memory (logic 0) or page memory (logic 1).
Frame output switched off automatically if any video displayed (logic 1).
TXT1 - Teletext register 1 (WRITE only)
8-BIT
ACQ OFF
X26
FULL FIELD
FIELD POLARITY
H POLARITY
V POLARITY
Data in packets 0 to 24 written into memory without error checking (logic 1).
Prevent teletext acquisition section writing to memory (logic 1).
Disable automatic processing of packet 26 data (logic 1).
Accept teletext on TV lines 2 to 22 only (logic 0) or on any line (logic 1).
VSYNC in first half of the line (logic 0) or second half of the line (logic 1) at start of even field.
HSYNC input positive-going (logic 0) or negative-going (logic 1).
VSYNC input positive-going (logic 0) or negative-going (logic 1).
TXT2 - Teletext register 2 (WRITE only)
SC0 to SC2
Start column at which page request data written into TXT3 SFR is placed.
TXT3 - Teletext register 3 (WRITE only)
PRD0 to PRD4
Page request data.
TXT4 - Teletext register 4 (WRITE only)
B MESH ENABLE
C MESH ENABLE
TRANS ENABLE
SHADOW ENABLE
EAST/WEST
Enable meshing of area with black background (logic 1).
Enable meshing of area with other background colours (logic 1).
Black background colour is transparent i.e. video is displayed (logic 1).
Enable south-east shadowing (logic 1).
Western European languages displayed (logic 0) or Eastern European languages displayed
(logic 1).
REGISTER
FUNCTION
相關(guān)PDF資料
PDF描述
SAA5290ZP One page Economy Teletext/TV microcontroller
SAA5291PS Economy teletext and TV microcontrollers(經(jīng)濟(jì)的圖文電視和TV控制器)
SAA5296APS Economy teletext and TV microcontrollers(經(jīng)濟(jì)的圖文電視和TV控制器)
SAA5296PS Economy teletext and TV microcontrollers(經(jīng)濟(jì)的圖文電視和TV控制器)
SAA5355 Single-chip colour CRT controller FTFROM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAA5290ZP 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:One page Economy Teletext/TV microcontroller
SAA5290ZP/NV 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:One page Economy Teletext/TV microcontroller
SAA5291 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers
SAA5291A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers
SAA5291AH 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers
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