參數(shù)資料
型號: MICRF405YML TR
廠商: Micrel Inc
文件頁數(shù): 14/46頁
文件大?。?/td> 649K
描述: TRANSMITTER ASK/FSK 24-MLF
標(biāo)準(zhǔn)包裝: 1
頻率: 290MHz ~ 980MHz
應(yīng)用: ISM
調(diào)制或協(xié)議: ASK,F(xiàn)SK
數(shù)據(jù)傳輸率 - 最大: 200 kbps
功率 - 輸出: 10dBm
電流 - 傳輸: 18mA
數(shù)據(jù)接口: PCB,表面貼裝
天線連接器: PCB,表面貼裝
電源電壓: 2.2 V ~ 3.6 V
工作溫度: -40°C ~ 125°C
封裝/外殼: 24-VFQFN 裸露焊盤,24-MLF?
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面: 571 (CN2011-ZH PDF)
其它名稱: 576-1965-6
Micrel
MICRF405
 
 
 
 
April 2006 
14
M9999-041906
 (408) 955-1690
 
Preamble
SyncID
Frame length
Payload
CRC
1-4 bytes
1-4 bytes
1 byte
2/2/1-253/254/255 bytes     2/1/0 bytes
Table 7. Virtual Wire Packet Structure Overview.
 
 
SyncID_Len   SynchID_Len    Start of transmitted packet. Leftmost byte transmitted first
0
0
Preamble
SyncIDO
Frame length
0
1
Preamble
SyncIDO
SyncID1
Frame length
1
0
Preamble
SyncIDO
SyncID1
SyncID2
Frame length
1
1
Preamble
SyncIDO
SyncID1
SyncID2
SyncID3
Frame length
Table 8. Virtual Wire Packet Structure, SyncID field.
 
Packet Engine Overview:
" Preamble generated by packet engine: 1-4 bytes equal 10101010. Length set by Pream_Len[1:0]
" SyncID field added by packet engine: 1-4 bytes of user defined content. Length set by SyncID_Len[1:0].
Content set in registers SyncID0, SyncID1, SyncID2 and SyncID3, address 28-25.
" The frame length is entered by user for each packet. Specify the length of the payload and CRC fields in
bytes, ranging from 2 to (255 ?# CRC bytes). # CRC bytes can be 0 to 2.
" For each payload byte, wait for falling edge of RDY before writing the byte into the DATA register.
" The optional CRC field ends the packet. Its length is programmable 0, 1 or 2 bytes by the Sel_CRC[1:0].
 
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