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參數(shù)資料
| 型號(hào)： | HCS473-SLQTP |
| 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(yè)數(shù)： | 24/68頁(yè) |
| 文件大小： | 1629K |
| 代理商： | HCS473-SLQTP |
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HCS473
DS40035C-page 22
Preliminary
2002 Microchip Technology Inc.
3.2.2.4
Command Sequence
The transponder reader follows the HCS473’s Field
Acknowledge by sending the desired 3-bit command,
3-bit option or address, associated data and CRC;
each as required. LF commands are Pulse Position
Modulated (PPM) as shown in Figure 3-10. The last bit
(CRC bit) should be followed by leaving the field on for
T
FINH
.
T
FINH
should be appropriately adjusted to receive con-
secutive
commands
or
Section 3.2.4 and Section 3.2.5 for LF response and
consecutive command considerations.
LF
responses.
See
FIGURE 3-11:
HCS473 TRANSPONDER WAKE-UP SEQUENCE
Communication from reader to HCS473
Communication from HCS473 to reader
SKIPACK = 1 - Field Acknowledge is not sent
Inductive
(LC)
T
SF
Command
T
CMD
T
SF
MAX
SKIPACK = 0 - Field Acknowledge sent when device wakes
Inductive
(LC)
RF
Response
(DATA)
125kHz Field
(on LC pins)
T
CMD
b
b
b
Command
b
b
b
T
CMD
3LF
TE
3LF
TE
3LF
TE
Simultaneous LF
Acknowledge
(LFRSP=1)
RF Acknowledge
(RFRSP=1)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HCS473-SLROM | Code Hopping Encoder and Transponder |
| HCS473-SLSQTP | Code Hopping Encoder and Transponder |
| HCS473IPQTP | Code Hopping Encoder and Transponder |
| HCS473IPROM | Code Hopping Encoder and Transponder |
| HCS473IPSQTP | Code Hopping Encoder and Transponder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HCS473SLROM | 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:Code Hopping Encoder and Transponder |
| HCS473-SLROM | 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:Code Hopping Encoder and Transponder |
| HCS473SLSQTP | 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:Code Hopping Encoder and Transponder |
| HCS473-SLSQTP | 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:Code Hopping Encoder and Transponder |
| HCS473T/SL | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 w/ Passive Entry RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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