EM260 ZigBee/802.15.4 Network Processor - 120-0260 ... - wless.ru

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EM2603.5 Digital I/O SpecificationsTable 6 contains the digital I/O specifications for the EM260. The digital I/O power (named VDD_PADS) comesfrom three dedicated pins (pins 13, 19, and 24). The voltage applied to these pins sets the I/O voltage.Table 6. Digital I/O SpecificationsParameter Name Min. Typ. Max. UnitVoltage supply VDD_PADS 2.1 3.6 VInput voltage for logic 0 V IL 0 0.2 xVDD_PADSVInput voltage for logic 1 V IH 0.8 x VDD_PADS VDD_PADS VInput current for logic 0 I IL -0.5 μAInput current for logic 1 I IH 0.5 μAInput pull-up resistor value R IPU 30 kΩInput pull-down resistor value R IPD 30 kΩOutput voltage for logic 0 V OL 0 0.18 xVDD_PADSVOutput voltage for logic 1 V OH 0.82 xVDD_PADSVDD_PADSVOutput source current (standardcurrent pad)Output sink current (standardcurrent pad)Output source current (high currentpad: pins 33, 34, and 35)Output sink current (high currentpad: pins 33, 34, and 35)I OHS 4 mAI OLS 4 mAI OHH 8 mAI OLH 8 mATotal output current (for I/O pads) I OH + I OL 40 mAInput voltage threshold for OSCA0.2 xVDD_CORE0.8 xVDD_PADSVOutput voltage level (TX_ACTIVE)0.18 xVDD_CORE0.82 xVDD_COREVOutput source current (TX_ACTIVE) 1 mA120-0260-000J Page 12
EM2603.6 RF Electrical Characteristics3.6.1 ReceiveTable 7 lists the key parameters of the integrated IEEE 802.15.4 receiver on the EM260.Note: Receive Measurements were collected with Ember’s EM260 Ceramic Balun Reference Design at 2440MHzand using the EmberZNet software stack Version 3.0.1. The Typical number indicates one standard deviationabove the mean, measured at room temperature (25C). The Min and Max numbers are measured over processcorners at room temperature (25C).Note: The adjacent channel rejection (ACR) measurements were performed by using an unfiltered, ideal IEEE802.15.4 signal of continuous pseudo-random data as the interferer. For more information on ACRmeasurement techniques, see Adjacent Channel Rejection Measurements (120-5059-000).Table 7. Receive CharacteristicsParameter Test Conditions Min. Typ. Max. UnitFrequency range 2400 2500 MHzSensitivity (boost mode)1% PER, 20byte packet defined byIEEE 802.15.4-100- 95 dBmSensitivity1% PER, 20byte packet defined byIEEE 802.15.4- 99 - 94 dBmHigh-side ACR IEEE 802.15.4 signal at -82dBm 35 dBLow-side ACR IEEE 802.15.4 signal at - 82dBm 35 dB2 nd high-side ACR IEEE 802.15.4 signal at - 82dBm 40 dB2 nd low-side ACR IEEE 802.15.4 signal at - 82dBm 40 dBChannel rejection for all otherchannels802.11g rejection centered at +12MHz or - 13MHzMaximum input signal level forcorrect operation (low gain)IEEE 802.15.4 signal at - 82dBm 40 dBIEEE 802.15.4 signal at - 82dBm 35 dB0 dBmImage suppression 30 dBCo-channel rejection IEEE 802.15.4 signal at - 82dBm - 6 dBcRelative frequency error(2 x 40 ppm required by IEEE802.15.4)-120+120ppmRelative timing error(2 x 40 ppm required by IEEE802.15.4)-120+120ppmLinear RSSI range 40 dBRSSI Range - 90 - 30 dBPage 13120-0260-000J
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