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參數(shù)資料
| 型號(hào)： | TDA5251F1 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | ASK/FSK 315MHz Wireless Transceiver |
| 中文描述： | 詢價(jià)/ FSK信號(hào)315MHz的無(wú)線收發(fā)器 |
| 文件頁(yè)數(shù)： | 30/88頁(yè) |
| 文件大小： | 2086K |
| 代理商： | TDA5251F1 |
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TDA5251 F1
Version 1.0
Functional Description
Preliminary Specification
30
2003-02-18
Confidential
2.4.16
Wakeup Logic
3_modes.wmf
Figure 2-9
Wakeup Logic States
SLAVE MODE:
The receive and transmit operation is fully controlled by an external control device
via the respective
RxTx
,
AskFsk
,
PwdDD
, and
Data
pins. The wakeup logic is inactive in this case.
After RESET or 1
st
Power-up the chip is in SLAVE MODE. By setting MODE_1 and MODE_2 in the
CONFIG register the mode may be changed.
SELF POLLING MODE:
The chip turns itself on periodically to receive using a built-in 32kHz RC
oscillator. The timing of this is determined by the
ON_TIME
and
OFF_TIME
registers, the duty cycle
can be set between 0 and 100% in 31.25μs increments. The data detect logic is enabled and a 15μs
LOW impulse is provided at
PwdDD
pin (Pin 27), if the received data is valid.
timing_selfpllmode.wmf
Figure 2-10
Timing for Self Polling Mode (ADC & Data Detect in one shot mode)
Table 2-28
MODE settings: CONFIG register
MODE_1
0
0
1
MODE_2
0
1
X
Mode
SLAVE MODE
TIMER MODE
SELF POLLING MODE
SLAVE MODE
(default)
MODE_1 = 0
MODE_2 = 0
SELF POLLING
MODE
TIMER MODE
MODE_1 = 1
MODE_2 = X
MODE_1 = 0
MODE_2 = 1
PwdDD pin in
SELF POLLING MODE
Action
RX ON: valid Data
OFF_TIME
t
RX ON: invalid Data
ON_TIME
ON_TIME
t
min. 2.6ms
15μs
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| TDA5251F1_07 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:ASK/FSK 315MHz Wireless Transceiver |
| TDA5251XUMA1 | 制造商:Infineon Technologies AG 功能描述:RF Transceiver ASK/FSK 2.5V/3.3V/5V T/R 制造商:Infineon Technologies AG 功能描述:CONTROL - Tape and Reel 制造商:Infineon Technologies AG 功能描述:TXRX FSK/ASK SGL LP TSSOP-38 |
| TDA5252 | 功能描述:射頻接收器 ASK/FSK WIRELESS TRANSCEIVER RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| TDA5252G2 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:ASK/FSK 915MHz Wireless Transceiver |
| TDA5252XUMA1 | 制造商:Infineon Technologies AG 功能描述:RF Transceiver ASK/FSK 2.5V/3.3V/5V 38-Pin TSSOP T/R 制造商:Infineon Technologies AG 功能描述:CONTROL - Tape and Reel 制造商:Infineon Technologies AG 功能描述:TXRX FSK/ASK SGL LP TSSOP-38 |
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