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參數(shù)資料
| 型號： | UCB1100 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Advanced modem/audio analog front-end |
| 中文描述： | 先進的調(diào)制解調(diào)器/音頻模擬前端 |
| 文件頁數(shù)： | 25/36頁 |
| 文件大?。?/td> | 290K |
| 代理商： | UCB1100 |
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Philips Semiconductors
Preliminary specification
UCB1100
Advanced modem/audio analog front-end
1998 May 08
25
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sample D
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A,#1
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sample C
D,#1
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E,#1
E,#2
sibclk/128
sample
sample pulse
sibdin
codec data
SN00153
Figure 28.
Codec input data transfer, sib frame x,#1 contains sample x data with the associate data valid flag set to ‘1’,
the sib frame indicated with x,#2 contain the codec sample x, with the associated data valid flag set to ‘0’.
The codec output data is transmitted in the first SIB frame following the sample moment of the codec. The sibdout data stream contains a data
valid bit for each codec (bit 30 and bit 31) to simplify the data transfer from the UCB1100 to the system controller. The audio and telecom data
valid bits are set to ‘1’ in the sibdout data stream when the codec generate reliable data. This is the case when the codec circuitry is stabilized
after it was enabled. This mode of operation is chosen when the dyn_vflag_enabit (register 13) equals ‘0’. A second mode is available to
simplify the transfer of data, which is set when the dyn_vflag_enabit is set to ‘1’. In that case the audio and the telecom data valid flag bits will
be ‘1’ in the sib frame following the codec sample moment, which contains at all times the most recent codec result.
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sibclk/128
sample counter
sample pulse
audio data
telecom data
data valid flag
SN00154
Figure 29.
Sample counter synchronization (divisor set to 7), audio and telecom data placement shown in sibdout data stream,
including the associated audio/telecom data valid flags (dynamic data valid flag mode).
The audio and telecom codec data each are positioned as if they had 16 bits of resolution. For the 12-bit audio codec the low 4 bits are ignored
on input and forced to 0 on output. For the 14-bit telecom codec, the low 2 bits are treated similarly.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UCB1100LP | Advanced modem/audio analog front-end |
| UCB1200 | Advanced modem/audio analog front-end |
| UCB1200BE | Advanced modem/audio analog front-end |
| UCB1300 | Advanced modem/audio analog front-end |
| UCB1300BE | Advanced modem/audio analog front-end |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UCB1100LP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Advanced modem/audio analog front-end |
| UCB1100LP/X3 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Advanced modem/audio analog front-end |
| UCB-12 | 功能描述:斷路器 CIRCUIT BREAKER RoHS:否 制造商:Phoenix Contact 產(chǎn)品:Device Circuit Breakers 產(chǎn)品類型:Thermomagnetic 電流額定值:2 A 電壓額定值 AC:240 V, 277 V 電壓額定值 DC:50 V 極數(shù):1 Pole 執(zhí)行器類型:Slide 電路功能:Trip Free 系列:CB TM1 工作溫度范圍:- 30 C to + 60 C 照明:No |
| UCB1200 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Advanced modem/audio analog front-end |
| UCB1200B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:UCB1200B |
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