參數(shù)資料
型號(hào)： P83C566
廠商： NXP Semiconductors N.V.
英文描述： Microcontrollers for PAL/SECAM TV with OSD and VST
中文描述： 微控制器對(duì)于PAL / SECAM電視的OSD和偉仕
文件頁數(shù)： 69/92頁
文件大?。?/td> 382K
代理商： P83C566
1999 Mar 10
69
Philips Semiconductors
Product specification
Microcontrollers for PAL/SECAM TV
with OSD and VST
P8xCx66 family
17.16 FB to RGB delay compensation
The P8xCx66 is connected to an analog video mixer. In the past analog mixers had different delays between FB and
RGB. To compensate for these differences, FB to RGB delay compensation is implemented on-chip. The delay time is
selected using the OSFBD register.
The delay compensation can be done with a resolution of
1
2
f
OSC
. The OSC clock runs at 4 times the OSD clock
frequency for OSD frequencies from 4 up to 6.75 MHz, and at 2 times the OSD clock frequency from OSD frequencies
from 6.75 MHz up to 12 MHz. At 4 MHz the delay unit is 33 ns, at 6.5 MHz the delay unit is 19 ns, at 8 MHz the delay
unit is 33 ns, at 10 MHz the delay unit is 25 ns and at 12 MHz the delay unit is 21 ns.
17.16.1 OSD FB D
ELAY
R
EGISTER
(OSFBD)
Table 79
OSD FB Delay Register (SFR address C7H)
Table 80
Description of OSFBD bits
Table 81
Selection of FB to RGB delay
7
6
5
4
3
2
1
0
0
FBD3
FBD2
FBD1
FBD0
BIT
SYMBOL
DESCRIPTION
7 to 5
4
These 3 bits are not used.
This bit must be set to a logic 0. If set to a logic 1, the character font will come from
internal logic instead of character ROM.
FB to RGB delay select.
These 4 bits select the delay unit multiple that will determine
the delay time between FB and RGB; see Table 81.
3 to 0
FBD3 to FB
D0
FBD3
FBD2
FBD1
FBD0
DECIMAL
VALUE
7
6
5
4
3
2
1
0
+0
+1
+2
+3
+4
+5
+6
+7
FB to RGB DELAY
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
1
1
0
0
0
0
1
1
0
0
1
1
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
Delay RGB with 7 units in relation to FB.
Delay RGB with 6 units in relation to FB.
Delay RGB with 5 units in relation to FB.
Delay RGB with 4 units in relation to FB.
Delay RGB with 3 units in relation to FB.
Delay RGB with 2 units in relation to FB.
Delay RGB with 1 units in relation to FB.
Delay RGB with 0 unit in relation to FB.
Delay FB with 0 unit in relation to RGB.
Delay FB with 1 unit in relation to RGB.
Delay FB with 2 units in relation to RGB.
Delay FB with 3 units in relation to RGB.
Delay FB with 4 units in relation to RGB.
Delay FB with 5 units in relation to RGB.
Delay FB with 6 units in relation to RGB.
Delay FB with 7 units in relation to RGB.
相關(guān)PDF資料
PDF描述
P83C566BDR Microcontrollers for PAL/SECAM TV with OSD and VST
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P87C766BDR Microcontrollers for PAL/SECAM TV with OSD and VST
P87C766CBA Microcontrollers for PAL/SECAM TV with OSD and VST
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P83C566BDA 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Microcontrollers for PAL/SECAM TV with OSD and VST
P83C566BDR 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Microcontrollers for PAL/SECAM TV with OSD and VST
P83C570 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Microcontrollers for NTSC TVs with On-Screen Display OSD and Closed Caption CC
P83C570AAR 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Microcontrollers for NTSC TVs with On-Screen Display OSD and Closed Caption CC
P83C575EBA 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
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