參數(shù)資料
型號: SAA5647HL
廠商: NXP Semiconductors N.V.
英文描述: Enhanced TV microcontrollers with On-Screen Display (OSD)(帶全屏顯示的增強型TV控制器)
中文描述: 與微控制器在強化電視屏幕顯示(OSD)(帶全屏顯示的增強型電視控制器)
文件頁數(shù): 93/112頁
文件大?。?/td> 436K
代理商: SAA5647HL
2000 Jun 30
93
Philips Semiconductors
Objective specification
Enhanced TV microcontrollers with
On-Screen Display (OSD)
SAA56xx
Status read
BUSY
FIELD
FLR
SCR3 to SCR0
access to Display memory could cause display problems (logic 1)
even field (logic 1)
active flash region background only displayed (logic 1)
first scroll row
Status write
SCON
FLR
SCR3 to SCR0
scroll area enabled (logic 1)
active flash region background colour only displayed (logic 1)
first scroll row
HSYNC Delay
HSD6 to HSD0
HSYNC delay, in full size characters
VSYNC Delay
VSD6 to VSD0
VSYNC delay in number of 8-bit 12 MHz clock cycles
Top Scroll Line
SCL3 to SCL0
top line for scroll
Configuration
CC
VDEL2 to VDEL0
Closed Caption mode (logic 1)
pixel delay between VDS and RGB output
000 = VDS switched to video, not active
001 = VDS active one pixel earlier then RGB
010 = VDS synchronous to RGB
100 = VDS active one pixel after RGB
BUSY signal switch; horizontal (logic 1)
100 Hz mode select; 100Hz/120Hz timing mode (logic 1)
two page mode select; dual page (logic 1)
TXT/V
100 Hz
Two_Page
Text Area Start B
HOP1 to HOP0
TAS5 to TAS0
fine horizontal offset in quarter of characters
text area start
Text Area End B
TAE5 to TAE0
text area end, in full characters
Page B Position
PGB7 to PGB0
Page B position
Text Position Vertical B
VOLB5 to VOLB0
Page B display start vertical offset from VSYNC (lines) should equal VOL5 to VOL0 in
double window mode (MMR 87F1H<5:0>)
REGISTER
FUNCTION
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參數(shù)描述
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