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| 型號： | TEA5766UK/N1/S21,1 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | FM, AUDIO SINGLE CHIP RECEIVER, PBGA25 |
| 封裝： | 3.30 X 3.25 MM, 0.60 MM HEIGHT, WLCSP-25 |
| 文件頁數(shù)： | 14/59頁 |
| 文件大?。?/td> | 273K |
| 代理商： | TEA5766UK/N1/S21,1 |
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TEA5766UK_1
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 01 — 22 March 2007
21 of 59
NXP Semiconductors
TEA5766UK
Stereo FM radio + RDS
9.
RDS data processing
The RDS demodulator and decoder perform the following operations:
Demodulation of the RDS/RBDS data stream from the MPX signal
Symbol decoding
Obtain block and group synchronization
Error detection and correction
Store last and previous data block received with associated ID and error status
Set the DAVFLG when new data is received
Set the SYNC status bit according to the current synchronization state
Set the LSYNCFL ag when synchronization is lost
The RDS decoder can be set in different modes, each meant to look for specic
information. The modes DAV-A, DAV-B and DAV-C are described in the next paragraphs.
9.1 DAV-A processing mode
The DAV-A processing mode is the standard processing mode. In this mode each time
when a data block has been decoded it is transferred to the bus registers. It generates
interrupts on the INTX line after every new block of RDS data that has been processed
and also the DAVFLG is set. This is shown in Figure 9. The DAVFLG is reset by a read of
the bus registers.
(1) Flag is set immediately after the reset, because event is still present.
(2) When ag is set next interrupts are blocked until read or write INTMSK.
(3) When ag A is set, the interrupt is not extended beyond 10 ms.
(4) Read INTMSK clears ag, INTMSK and INTX.
(5) Write INTMSK enables INTX.
Fig 8.
Interrupt line behavior
001aaf446
flag B(1)
INTX
read INTMSK(4)
10 ms
< 10 ms
read clears INTX
(3)
write INTMSK(5)
flag A(1)
(2)
VCC
interrupt event
10 ms
< 10 ms
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| TEA5767 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:single-chip FM stereo radio |
| TEA5767HL | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-power FM stereo radio for handheld applications |
| TEA5767HN | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-power FM stereo radio for handheld applications |
| TEA5767HN/V3 | 功能描述:射頻收發(fā)器 FM RECEIVER RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
| TEA5767HN/V3,118 | 功能描述:射頻收發(fā)器 FM RECEIVER RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
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