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EZR32LG230F256R55G датащи(PDF) 8 Page - Silicon Laboratories |
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EZR32LG230F256R55G датащи(HTML) 8 Page - Silicon Laboratories |
8 / 87 page 3.1.29 EZRadio® and EZRadioPro® Transceivers The EZR32LG family of devices is built using high-performance, low-current EZRadio and EZRadioPro RF transceivers covering the sub-GHz frequency bands from 142 to 1050 MHz. These devices offer outstanding sensitivity of upto –133 dBm (using EZRadioPro) while achieving extremely low active and standby current consumption. The EZR32LG devices using the EZRadioPro transceiver offer frequency coverage in all major bands and include optimal phase noise, blocking, and selectivity performance for narrow band and li- censed band applications, such as FCC Part 90 and 169 MHz wireless Mbus. The 69 dB adjacent channel selectivity with 12.5 kHz channel spacing ensures robust receive operation in harsh RF conditions, which is particularly important for narrow band operation. The active mode TX current consumption of 18 mA at +10 dBm and RX current of 10 mA coupled with extremely low standby current and fast wake times is optimized for extended battery life in the most demanding applications. The EZR32LG devices can achieve up to +27 dBm output power with built-in ramping control of a low-cost external FET. The devices can meet worldwide regulatory standards: FCC, ETSI, and ARIB. All devices are designed to be compliant with 802.15.4g and WMbus smart metering standards. The devices are high- ly flexible and can be programmed and configured via Simplicity Studio, available at www.silabs.com. Communications between the radio and MCU are done over USART, PRS and IRQ, which requires the pins to be configured in the following way: Table 3.1. Radio MCU Communication Configuration EZR32LG Pin Radio Assignment EZR32LG Function Assignment PE8 SDN GPIO Output PE9 nSEL Bit-Banged SPI.CS (GPIO Output) PE10 SDI US0_TX #0 PE11 SDO US0_RX #0 PE12 SCLK US0_CLK #0 PE13 nIRQ GPIO_EM4WU5 (GPIO Input with IRQ ena- bled) PE14 GPIO1 PRS Input PA15 GPIO0 PRS Input EZR32LG230 Data Sheet System Overview silabs.com | Smart. Connected. Energy-friendly. Rev. 1.1 | 7 |
Аналогичный номер детали - EZR32LG230F256R55G |
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Аналогичное описание - EZR32LG230F256R55G |
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