Datenblatt-Suchmaschine für elektronische Bauteile |
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KRX416-000-SS Datenblatt(PDF) 2 Page - Radiometrix Ltd |
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KRX416-000-SS Datenblatt(HTML) 2 Page - Radiometrix Ltd |
2 / 5 page Radiometrix Ltd KRX416 page 2 Typical Application Circuit Figure 2: KRX416 Function-Code display - example circuit Pin Name Input/Output Description 1 LRN Input Normally held-high: Momentarily connect to 0V to enter Learn Mode – stays in Learn Mode until a compatible Radiometrix transmitter is successfully learned or time-out occurs in approx. 18s. Connect to 0V for more than 10s (approx.) to clear NV memory: this removes all learnt transmitters. 2 LED-L Output1 Active high during Learning Phase – A code-hopping transmitter is Learnt during this time by receiving and decoding its transmission. Pin 2 then cycles low-high-low for a short period (flashes the LED) to indicate that a transmitter has been Learned. If Pin 1 is held low >10s Pin 2 goes low then momentarily high again (when Pin 1 returned high) to indicate NV Memory has been cleared. Active high (10ms or for as long as S0-S3 are active) when not in Learn Mode to indicate that the IC has decoded a Function Code (S0- S3 state) that was used previously in Learning a Transmitter. 3 NC - Do not connect anything to this pin 4 RST Input Normally held high. Taken low this pin will Reset the IC. The NV Memory is unaffected. 5 Vss Supply Supply Ground 6 S0 Output1 Function Code output S0 – active high 10ms pulse2 or a 350-500ms pulse and held high for repeat messages (see “Mode” description) 7 S1 Output1 Function Code output S1 – operation as above 8 S2 Output1 Function Code output S2 – operation as above 9 S3 Output1 Function Code output S3 – operation as above 10 NC - Do not connect anything to this pin 11 LED-V Output1 Active high when the received message indicates that the Transmitter encoder power supply is below 3.8V (approx.) 12, 13 NC - Do not connect anything to this pin 14 Vdd Supply 4.5-5.5V supply (decouple with 0.1µF close to IC) 15, 16 NC - Do not connect anything to this pin 17 RXD Input Data input from receiver, also connect to Vdd via 10k (no input =1) 18 MODE Input3 Can be held high or low. When high, outputs S0-S3 are active only for a brief period but when Mode is held low a “latency” is effected. Vss LRN Vdd NC NC LED-V NC LED-L NC MODE RXD NC NC 5V supply RST 470R 100nF S0 470R 470R 470R 470R 470R S1 S2 S3 Push-to-Learn 1k Vcc GND RXD RF |
Ähnliche Teilenummer - KRX416-000-SS |
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Ähnliche Beschreibung - KRX416-000-SS |
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