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PDF ( 数据手册 , 数据表 ) EZR32WG330

零件编号 EZR32WG330
描述 Wireless MCUs
制造商 Silicon Laboratories
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EZR32WG330 数据手册, 描述, 功能
EZR32WG Wireless MCUs
EZR32WG330 Data Sheet
EZR32WG330 Wireless MCU family with ARM Cortex-M4 CPU,
USB, and sub-GHz Radio
The EZR32WG Wireless MCUs are the latest in Silicon Labs family of wireless MCUs
delivering a high performance, low energy wireless solution integrated into a small form
factor package. By combining a high performance sub-GHz RF transceiver with an ener-
gy efficient 32-bit MCU, the EZR32WG family provides designers the ultimate in flexibili-
ty with a family of pin-compatible devices that scale with 64/128/256 kB of flash and sup-
port Silicon Labs EZRadio or EZRadioPRO transceivers. The ultra-low power operating
modes and fast wake-up times of the Silicon Labs energy friendly 32-bit MCUs, com-
bined with the low transmit and receive power consumption of the sub-GHz radio, result
in a solution optimized for battery powered applications.
32-Bit ARM Cortex wireless MCUs applications include the following:
• Energy, gas, water and smart metering
• Health and fitness applications
• Consumer electronics
• Alarm and security systems
• Building and home automation
KEY FEATURES
• Silicon Labs’ first 32-bit Wireless MCUs
• Based on ARM Cortex M3 (LG) and M4
(WG) CPU cores with 256 kB of flash and
32 kB RAM
• Best-in-class RF performance with EZradio
and EZRadioPro transceivers
• Ultra-low power wireless MCU
• Low transmit and receive currents
• Ultra-low power standby and sleep
modes
• Fast wake-up time
• Low Energy sensor interface (LESENSE)
• Rich set of peripherals including 12-bit ADC
and DAC, multiple communication
interfaces (USB, UART, SPI, I2C), multiple
GPIO and timers
• AES Accelerator with 128/256-bit keys
silabs.com | Smart. Connected. Energy-friendly.
Rev. 1.1







EZR32WG330 pdf, 数据表
EZR32WG330 Data Sheet
System Overview
3.1.30 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
PE8
PE9
PE10
PE11
PE12
PE13
PE14
PA15
Radio Assignment
SDN
nSEL
SDI
SDO
SCLK
nIRQ
GPIO1
GPIO0
EZR32WG Function Assignment
GPIO Output
Bit-Banged SPI.CS (GPIO Output)
US0_TX #0
US0_RX #0
US0_CLK #0
GPIO_EM4WU5 (GPIO Input with IRQ ena-
bled)
PRS Input
PRS Input
silabs.com | Smart. Connected. Energy-friendly.
Rev. 1.1 | 7







EZR32WG330 equivalent, schematic
4.6 Transitions between Energy Modes
The transition times are measured from the trigger to the first clock edge in the CPU.
Table 4.6. Energy Modes Transitions
EZR32WG330 Data Sheet
Electrical Specifications
Parameter
Symbol
Min
Typ
Max
Unit
Transition time from EM1 to EM0
tEM10
0
─ HFCORECLK cycles
Transition time from EM2 to EM0
tEM20
2
µs
Transition time from EM3 to EM0
tEM30
2
µs
Transition time from EM4 to EM0
tEM40
163
µs
4.7 Power Management
The EZR32WG requires the AVDD_x, VDD_DREG and IOVDD_x pins to be connected together (with optional filter) at the PCB level.
For practical schematic recommendations, please see the application note, AN0002: EFM32 Hardware Design Considerations.
Table 4.7. Power Management
Parameter
Symbol
Test Condition
BOD threshold on falling external VBODextthr-
supply voltage
BOD threshold on falling internally VBODintthr-
regulated supply voltage
BOD threshold on rising external VBODextthr+
supply voltage
Power-on Reset (POR) threshold
on rising external supply voltage
VPORthr+
Delay from reset is released until
program execution starts
tRESET
Applies to Power-on Re-
set, Brown-out Reset and
pin reset.
Voltage regulator decoupling ca-
pacitor.
CDECOUPLE
X5R capacitor recommen-
ded. Apply between DE-
COUPLE pin and
GROUND
Min
1.74
1.57
Typ
1.85
163
1
Max
1.96
1.7
1.98
1.98
Unit
V
V
V
V
µs
µF
silabs.com | Smart. Connected. Energy-friendly.
Rev. 1.1 | 15










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