參數(shù)資料
型號(hào): HCS473-PQTP
廠商: Microchip Technology Inc.
英文描述: Code Hopping Encoder and Transponder
中文描述: 跳碼編碼器和轉(zhuǎn)發(fā)器
文件頁數(shù): 36/68頁
文件大小: 1629K
代理商: HCS473-PQTP
HCS473
DS40035C-page 34
Preliminary
2002 Microchip Technology Inc.
FIGURE 3-23:
RFEN BEHAVIOR DURING LF COMMUNICATION
ACK Response Sequences Concluding with CRC
- Present Transport Code
- Write
- Anticollision Off
Data Response Sequences Concluding with CRC
- IFF
Read
- Request Hopping Code
Transponder Select Sequence
CRC
Response
Time
Command
Inductive In (LC)
RF (DATA)
PLL (RFEN)
RF (DATA)
PLL (RFEN)
ASK
FSK
1 LF
TE
CRC
Command
RF (DATA)
PLL (RFEN)
RF (DATA)
PLL (RFEN)
ASK
FSK
Inductive In (LC)
TID=0
12-Bit VID
TID=1
TID=2
TID=3
Next
Command
RF (DATA)
PLL (RFEN)
RF (DATA)
PLL (RFEN)
ASK
FSK
Inductive In (LC)
1 LF
TE
Response
Time
T
SF
Command
T
CMD
Inductive In (LC)
RF (DATA)
T
CMD
Wake-up Sequence
PLL (RFEN)
RF (DATA)
PLL (RFEN)
ASK
FSK
1 LF
TE
1 LF
TE
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