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參數(shù)資料
| 型號(hào)： | PNX8510 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Analog companion chip |
| 中文描述： | 模擬伴隨芯片 |
| 文件頁數(shù)： | 34/92頁 |
| 文件大?。?/td> | 3064K |
| 代理商： | PNX8510 |
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Philips Semiconductors
PNX8510/11
Analog companion chip
Product data
Rev. 04 – 12 January 2004
34 of 92
9397 750 12612
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Quick mute
This is an overriding quickmute on the master channel, which mutes the interpolator
output signal in 32 samples using the cosine roll-off coefficients instead of 32x32
samples to mute the output. This means whenever the quickmute register is set to
one, independent of what the mute setting of the micro controller is, the output is
muted.
Mute mode
This register sets the mute mode for the MASTER MUTE to either soft mute (setting
is ‘0’) or to quick mute (setting = ‘1’). For the master channel the quickmute function
and the micro controller mute function are OR’d.
Figure 26
shows the signal flow for the mute control.
7.4 Programming interface
The configuration of the various interface modes and the digital video encoder setup
can be controlled via an I
2
C interface or a special VBI data packet sent during the
horizontal blanking interval. With the VBI programming interface, a reliable real-time
programming for the PNX8510/11 video blocks can be accomplished. For instance,
this mode makes it very easy to carry the necessary programming data over to the
digital encoder to encode a certain teletext packet in a specific scanline without
Table 21:
Quick mute
0
0
Mute mode control
Micro controller mute
0
1
Function
No mute
1 micro controller mute...mute mode depends on
the ‘mutemode’ setting.
Overriding quick mute function
1
X
Table 22:
While in Mute Mode, releasing the ‘mute’ bit applies a graduated cosine startup
Mute mode
Function
0
Mute function via micro controller interface is set to “soft mute.”
Mute Mode Function
1
Mute function via micro controller interface is set to “quick-mute.”
Fig 26.
Mixing possibilities in interpolator 4v0
MDB654
DE-EMPHASIS
VOLUME
BASS
BOOST
TREBLE
HB
(1)
VOLUME
MUTE
MUTE
VM1
channel 1
master channel
mutemix
double speed
input
conditional shift
when mixing
mute2
mute1
mute1
0.25 dB steps
0.25 dB steps
DE-EMPHASIS
VOLUME
MUTE
VM2
channel 2
+
+
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PNX8511 | Analog companion chip |
| PNX8526 | Programmable source decoder with integrated peripherals |
| PNX8526EH | Programmable source decoder with integrated peripherals |
| PPC5001T | NPN microwave power transistor |
| PRLL4001 | Rectifiers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PNX8510HW/B1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Analog companion chip |
| PNX8511 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Analog companion chip |
| PNX8511HW/B1 | 功能描述:視頻 IC ANALOG BACKEND COMPANION RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| PNX8511HW/B1,557 | 功能描述:視頻 IC ANALOG BACKEND RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| PNX8526 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Programmable source decoder with integrated peripherals |
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