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參數資料
| 型號： | LC72711LW |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, SQFP-64 |
| 文件頁數： | 17/26頁 |
| 文件大小： | 157K |
| 代理商： | LC72711LW |
LC72711W, 72711LW
No.6167-24/26
Additional Notes
In addition to the above processing, processing required for layer 3 (data group) level processing includes “deletion of
inappropriate data.” Although rare, in certain cases the IC will send inappropriate packet data that does not belong to
any data group currently being broadcast. The following three points are possible reasons for this occurring.
(1) The IC frame synchronization circuit generates an incorrect synchronization state, and the IC incorrectly outputs
parity packet data as normal packet data. This can occur when the back protection count is less rigorous (2 or lower),
or during weak field reception.
(2) While extremely rare, incorrect correction can occur. (This almost never happens.)
(3) Noise entering the data transfer lines between the FMD IC and the CPU within the end product set.
Inappropriate packet data that occurs for these reasons and does not belong to any data group, will not be updated, and
will remain in the program storage memory indefinitely. If the application does not include a routine that searches for
and deletes inappropriate data, program storage memory will overflow at some point.
Also, applications should perform a layer 4 CRC check after data group completion and before program display.
Prefix discrimination
Recend?
update?
END
Store in the corresponding
data group storage area.
Check the correctness of
the received data packet.
Update the data in the
existing data storage area.
Allocate a storage area
the size of the data group.
YES
NO
YES
Is the data
group complete?
Is this the
data group for the
first reception?
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| LC72711LW-E | 制造商:ON Semiconductor 功能描述:DARC DECODE-LSI - Trays |
| LC72711LWHS-E | 功能描述:射頻接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
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| LC72713W | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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