參數(shù)資料
型號: HCS412IP
廠商: Microchip Technology Inc.
英文描述: KEELOQ Code Hopping Encoder and Transponder
中文描述: 而Keeloq跳碼編碼器和轉(zhuǎn)發(fā)器
文件頁數(shù): 19/44頁
文件大?。?/td> 704K
代理商: HCS412IP
2002 Microchip Technology Inc.
Preliminary
DS41099C-page 19
HCS412
FIGURE 4-1:
FIELD ACKNOWLEDGE SEQUENCE
FIGURE 4-2:
LC PIN PULSE POSITION MODULATION (PPM)
3LF
TE
T
PU
3LF
TE
3LF
TE
2LF
TE
Command
T
ATO
Communication from reader to HCS412
Filed ACK Sequence from HCS412 to reader
8LF
TE
Inductive
Comms
(LC)
RF
Comms
(DATA)
8LF
TE
RF
Comms
(DATA)
Field Ack sequence repeats every 255 LF
TE
if no command is received.
255LF
TE
255LF
TE
(LC)
Comms
0
1
0
1
Start or
previous
bit
Transponder reader communication to the HCS412
HCS412 response back to the reader
2 LF
TE
2 LF
TE
4 LF
TE
2 LF
TE
2 LF
TE
LF
TE
LF
TE
LF
TE
Start or
previous
bit
Extending the high time
is acceptable but the low
time should minimally
be 1 LF
TE.
The HCS412 determines
bit values from rising edge
to rising edge times.
T
BITC
T
BITC
T
BITR
T
BITR
相關PDF資料
PDF描述
HCS412TSN KEELOQ Code Hopping Encoder and Transponder
HCS473 Code Hopping Encoder and Transponder
HCS473-PQTP Code Hopping Encoder and Transponder
HCS473-PROM Code Hopping Encoder and Transponder
HCS473-PSQTP IC EEPROM SRL 512X16BIT 8DIP
相關代理商/技術參數(shù)
參數(shù)描述
HCS412P 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ Code Hopping Encoder and Transponder
HCS412SN 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ Code Hopping Encoder and Transponder
HCS412T 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ Code Hopping Encoder and Transponder
HCS412T/SN 功能描述:編碼器、解碼器、復用器和解復用器 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
HCS412TI 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ Code Hopping Encoder and Transponder