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參數資料
| 型號： | UCB1200 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Advanced modem/audio analog front-end |
| 中文描述： | 先進的調制解調器/音頻模擬前端 |
| 文件頁數： | 26/54頁 |
| 文件大小： | 1052K |
| 代理商： | UCB1200 |
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1998 Jul 22
26
Philips Semiconductors
Product specification
Advanced modem/audio analog front-end
UCB1200
The applied clock signal to the SIBCLK pin is used as clock signal inside the UCB1200; all internal clock signals are
derived from that. It is required that the SIBCLK signal is applied if one or more analog or digital functions are activated
in the UCB1200; only the interrupt controller is implemented asynchronously. SIBCLK may be stopped when all digital
and analog functions are disabled; in that case the lowest possible power consumption is met. The SIBCLK should not
be stopped during a SIB frame, but only at the end of the SIB-frame, to ensure that all analog and digital functions are
stopped properly.
Note: The interrupt controller is still active, due to its asynchronous implementation. The UCB1200 can therefore still
generate interrupts to the system controller, when the SIBCLK is stopped.
The generation of the audio and telecom sample clocks requires that the SIBCLK signal is symmetrical: a non
symmetrical SIBCLK will lead to non equidistant sample moments, when an odd frequency divisor is set in either of the
audio or telecom control register.
Fig.21 Serial data transmission of the UCB1200
bit 0
bit 1
bit 63
bit 64
bit 65
bit 126 bit 127 bit 0
sibclk
sibsync
sibdin
sibdout #1
sibdout #2
相關PDF資料 |
PDF描述 |
|---|---|
| UCB1200BE | Advanced modem/audio analog front-end |
| UCB1300 | Advanced modem/audio analog front-end |
| UCB1300BE | Advanced modem/audio analog front-end |
| UCB1400BE | Audio codec with touch screen controller and power management monitor |
| UCB1400 | Audio codec with touch screen controller and power management monitor |
相關代理商/技術參數 |
參數描述 |
|---|---|
| UCB1200B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:UCB1200B |
| UCB1200BE | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Advanced modem/audio analog front-end |
| UCB1300 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Advanced modem/audio analog front-end |
| UCB1300BE | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Advanced modem/audio analog front-end |
| UCB1400 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Audio codec with touch screen controller and power management monitor |
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