RN21-I/RM Roving Networks, RN21-I/RM Datasheet
RN21-I/RM
Specifications of RN21-I/RM
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RN21-I/RM Summary of contents
Page 1
... The RN21 provides a low power, high performance Bluetooth module that supports multiple protocols, including Enhanced Data Rate (EDR). The RN21 is the solution for developers needing to add wireless capability to their product but can not afford to spend significant time and money developing Bluetooth specific hardware and software ...
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... Tel (408) 395-6539 DS-RN21-V2 3/25/2010 Unit Bluetooth Units dBm ≤ -70 dBm dBm dBm ≤ 15 dBm dBm kHz 75 kHz kHz ≤ ...
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... No Connect No Connect Pull up 1.5K when active Input to RN21 with weak pulldown Input to RN21with weak pulldown Output from RN21 Input to RN21 with weak pulldown Input to RN21 with weak pulldown Output from RN21 Output from RN21 Output from RN21 Input to RN21 with weak pulldown ...
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... VDD ≤ 3.0V Input logic level LOW Input logic level HIGH Output logc level LOW Output logic level HIGH All I/O’s default to weakpull down Typical Application Circuit 809 University Avenue • Los Gatos, CA 95032 DS-RN21-V2 3/25/2010 Min Typ. Max. -0.4 - +0.8 0.7VDD - VDD+0.4 ...
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... PIO2 is an output which directly reflects the connection state, it goes HIGH when connected, and LOW otherwise. 4. HCI mode. The RN21 module must be loaded with special firmware to run in HCI mode. When in HCI mode the standard SPP/DUN profiles are disabled. 809 University Avenue • ...
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... The rf_out signal line should not run under of near the RN21 module. The GND plane should be on the side of the PCB which the module is mounted. The GND should be reinforced with through-hole connections and other means to stabilize the electric potential ...