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KYL-500L-48 Datasheet(PDF) 6 Page - SHENZHEN KYL COMMUNICATION EQUIPMENT CO,LTD. |
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KYL-500L-48 Datasheet(HTML) 6 Page - SHENZHEN KYL COMMUNICATION EQUIPMENT CO,LTD. |
6 / 10 page Shenzhen KYL Communication Equipment Co., Ltd Fax: +86-755-83408785 sales02@rf-data.com www.rf-data.com 6 6. The Function-indicator light a. The LED indicator light will turn red for 0.5S once switched on. b. The LED indicator light will turn green continually while receiving data from air. c. The LED indicator light will turn red continuously when transmitting data into air after receiving data from COM. d. If the module moves to sleep mode, LED indicator light is always dark. 7. Supported protocol and Transmit capability KYL-500L standard transceivers offer transparent protocol to support various applications and protocols. If the user needs to decrease his cost or ease the workload of terminal CPU, we can add other specific functions based on the transparent protocol, such as addressing, data acquisition, command interpretation, etc. 8. Sleep function instruction: In order to reduce more consumption, KYL-500L transceivers support Sleep function. In sleep mode, the current consumption is less than 1uA. a. How to use the Sleep function: The Pin8 ‘SLP’ in JP1 is the signal of sleep control. At high power level, transceiver stays in working mode. At low power level (<0.5V), transceiver stays in sleep mode. The SLP signal can convert transceiver from working to sleep mode in 1ms after falling edge. If the Sleep signal arrives when the transceiver is transmitting data, the module will enter sleep mode after finishing transmission. From sleep mode to working, it takes the transceiver 1ms after rising edge. To disable the opened sleep function of KYL-500L, the SLP (SLEEP) pin should be definitely connected with 0 or ground. b. Attentions about the use of sleep function: When the sleep function enabled, any supply glitches, such as switch dithering, fire striking or quick switching on and off may cause the transceiver moving to wrong sleep mode. Users can avoid this error by making a compulsive restoration once the CPU |
Similar Part No. - KYL-500L-48 |
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Similar Description - KYL-500L-48 |
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