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參數(shù)資料
| 型號： | HCS473ISLQTP |
| 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)： | 24/68頁 |
| 文件大?。?/td> | 1629K |
| 代理商： | HCS473ISLQTP |
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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 |
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|---|---|
| HCS473ISLROM | IC EEPROM SRL 1024X16BIT 8DIP |
| HCS473ISLSQTP | IC EEPROM SPI BUS 1KBIT 8-SOIC |
| HCS473PQTP | IC EEPROM SPI BUS 8KBIT 8-SOIC |
| HCS473PROM | IC EEPROM SPI BUS 32KBIT 8-SOIC |
| HCS473PSQTP | Code Hopping Encoder and Transponder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HCS473ISLROM | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder and Transponder |
| HCS473ISLSQTP | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder and Transponder |
| HCS473PQTP | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder and Transponder |
| HCS473-PQTP | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder and Transponder |
| HCS473PROM | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder and Transponder |
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