參數(shù)資料
型號(hào)： T5743P3
廠商： Atmel Corp.
英文描述： UHF ASK/FSK Receiver
中文描述： 超高頻ASK / FSK接收器
文件頁(yè)數(shù)： 28/41頁(yè)
文件大?。?/td> 681K
代理商： T5743P3
28
T5743
4569A–RKE–12/02
Figure 34.
Data Interface
The configuration registers are programmed serially via the bi-directional data line
according to Figure 33 and Figure 34.
To start programming, the serial data line DATA is pulled to Low for the time period t1 by
the microcontroller. When DATA has been released, the receiver becomes the master
device. When the programming delay period t2 has elapsed, it emits 15 subsequent
synchronization pulses with the pulse length t3. After each of these pulses, a program-
ming window occurs. The delay until the program window starts is determined by t4, the
duration is defined by t5. Within the programming window, the individual bits are set. If
the microcontroller pulls down Pin DATA for the time period t7 during t5, the according
bit is set to “0”. If no programming pulse t7 is issued, this bit is set to “1”. All 15 bits are
subsequently programmed this way. The time frame to program a bit is defined by t6.
Bit 15 is followed by the equivalent time window t9. During this window, the equivalence
acknowledge pulse t8 (E_Ack) occurs if the just programmed mode word is equivalent to
the mode word that was already stored in that register. E_Ack should be used to verify
that the mode word was correctly transferred to the register. The register must be pro-
grammed twice in that case.
Programming of a register is possible both in sleep- and in active-mode of the receiver.
During programming, the LNA, LO, lowpass filter IF-amplifier and the FSK/ASK
Manchester demodulator are disabled.
The programming start pulse t1 initiates the programming of the configuration registers.
If bit 1 is set to “1”, it represents the OFF-command to set the receiver back to polling
mode at the same time. For the length of the programming start pulse t1, the following
convention should be considered:
t1(min) < t1 < 5632 T
Clk
: t1(min) is the minimum specified value for the relevant
BR_Range
Programming respectively OFF-command is initiated if the receiver is not in reset
mode.If the receiver is in reset mode, programming respectively Off-command is not ini-
tiated and the reset marker RM is still present at Pin DATA.
This period is generally used to switch the receiver to polling mode or to start the pro-
gramming of a register. In reset condition, RM is not cancelled by accident.
t1 > 7936 T
Clk
Data_In
Data_out
Input -
Interface
DATA
0 ... 20 V
0 V / 5 V
Interface
R
pup
C
L
I/O
T5743
I
D
Data_In
Data_out
DATA
0 ... 20 V
0 V / 5 V
V
X
= 5 V to 20 V
R
pup
C
L
VS= 4.5 V to 5.5 V
I/O
Serial bi-directional data line
T5743
Microcontroller
Out1 mcOut1 mcrocontroller
I
D
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
T5743P3-TG 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:UHF ASK/FSK Receiver
T5743P3-TGQ 功能描述:IC RCVR ASK/FSK 300MHZ 20-SOIC RoHS:否 類別:RF/IF 和 RFID >> RF 接收器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 09/Jan/2012 標(biāo)準(zhǔn)包裝:50 系列:* 頻率:850MHz ~ 2.175GHz 靈敏度:- 數(shù)據(jù)傳輸率 - 最大:- 調(diào)制或協(xié)議:- 應(yīng)用:* 電流 - 接收:* 數(shù)據(jù)接口:PCB，表面貼裝 存儲(chǔ)容量:- 天線連接器:PCB，表面貼裝 特點(diǎn):- 電源電壓:4.75 V ~ 5.25 V 工作溫度:0°C ~ 85°C 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤
T5743P3-TGS 功能描述:IC RCVR ASK/FSK 300MHZ 20-SOIC RoHS:否 類別:RF/IF 和 RFID >> RF 接收器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 09/Jan/2012 標(biāo)準(zhǔn)包裝:50 系列:* 頻率:850MHz ~ 2.175GHz 靈敏度:- 數(shù)據(jù)傳輸率 - 最大:- 調(diào)制或協(xié)議:- 應(yīng)用:* 電流 - 接收:* 數(shù)據(jù)接口:PCB，表面貼裝 存儲(chǔ)容量:- 天線連接器:PCB，表面貼裝 特點(diǎn):- 電源電壓:4.75 V ~ 5.25 V 工作溫度:0°C ~ 85°C 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤
T5743P6-TG 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:UHF ASK/FSK Receiver
T5743P6-TGQ 功能描述:IC RCVR ASK/FSK 600MHZ 20-SOIC RoHS:否 類別:RF/IF 和 RFID >> RF 接收器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 09/Jan/2012 標(biāo)準(zhǔn)包裝:50 系列:* 頻率:850MHz ~ 2.175GHz 靈敏度:- 數(shù)據(jù)傳輸率 - 最大:- 調(diào)制或協(xié)議:- 應(yīng)用:* 電流 - 接收:* 數(shù)據(jù)接口:PCB，表面貼裝 存儲(chǔ)容量:- 天線連接器:PCB，表面貼裝 特點(diǎn):- 電源電壓:4.75 V ~ 5.25 V 工作溫度:0°C ~ 85°C 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤
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