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EZR32WG230F256 Folha de dados(PDF) 8 Page - Silicon Laboratories

Nome de Peças EZR32WG230F256
Descrição Electrónicos  EZR32WG Wireless MCUs EZR32WG230 Data Sheet
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Fabricante Electrônico  SILABS [Silicon Laboratories]
Página de início  http://www.silabs.com
Logo SILABS - Silicon Laboratories

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3.1.29 EZRadio® and EZRadioPro® Transceivers
The EZR32WG 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 EZR32WG 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 EZR32WG 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
highly 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
EZR32WG Pin
Radio Assignment
EZR32WG 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
EZR32WG230 Data Sheet
System Overview
silabs.com | Smart. Connected. Energy-friendly.
Rev. 1.1 | 7


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