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RF ICs
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Core Processor
ARM® Cortex®-M3 (1)
ARM® Cortex®-M33F (4)
ARM® Cortex®-M4F (1)
N/A (1)
Core Size
32Bit (6)
N/A (1)
Family Name
EFR32BG1 (1)
EFR32FG23 (1)
EFR32MG24 (2)
EFR32ZG23 (1)
EM3581 (1)
WF200 (1)
GPIO
16 (1)
23 (1)
24 (1)
26 (1)
31 (1)
32 (1)
N/A (1)
Lifecycle Status
Active (3)
Active (NRND) (1)
Active (Unconfirmed) (1)
Obsolete (2)
Maximum Clock Speed
24MHz (1)
40MHz (1)
78MHz (4)
N/A (1)
Maximum Data Rate
12Mbps (1)
1Mbps (1)
2Mbps (4)
72.2Mbps (1)
Maximum Operating Frequency
169.475MHz, 169.8125MHz, 315MHz, 316MHz, 434.79MHz, 510MHz, 869.2MHz, 869.65MHz, 870MHz, 928MHz, 928MHz, 928.1MHz (1)
2.4GHz (4)
2.5GHz (1)
434.79MHz, 869.2MHz, 869.65MHz, 870MHz, 928MHz (1)
Maximum Operating Temperature
105°C (TA) (1)
125°C (TA) (2)
85°C (1)
85°C (TA) (3)
Maximum Receiving Current
10.9mA (1)
30mA (1)
47.6mA (1)
5.1mA (2)
7.6mA (1)
9.5mA (1)
Maximum Supply Voltage
1.32V, 1.9V (1)
3.6V (1)
3.8V (5)
Maximum Transmitting Current
108mA (1)
126.7mA (1)
155mA (2)
41.3mA (1)
45mA (1)
92mA (1)
Memory Size
1.5MB Flash, 192kB RAM (2)
256kB Flash, 32kB RAM (2)
512kB Flash, 64kB RAM (2)
N/A (1)
Minimum Operating Frequency
169.4MHz, 169.5875MHz, 314MHz, 314MHz, 433MHz, 470MHz, 863MHz, 863MHz, 869.4MHz, 902MHz, 920MHz, 922.3MHz (1)
2.4GHz (1)
433MHz, 863MHz, 863MHz, 869.4MHz, 902MHz (1)
N/A (4)
Minimum Operating Temperature
-40°C (1)
-40°C (TA) (6)
Minimum Receiving Current
23.5mA (1)
3.7mA (1)
4.4mA (2)
41.6mA (1)
4mA (1)
7.6mA (1)
Minimum Sensitivity
-101dBm (1)
-102dBm (1)
-104.9dBm (2)
-110dBm (1)
-126.9dBm (1)
-96.7dBm (1)
Minimum Supply Voltage
1.18V, 1.7V (1)
1.62V (1)
1.71V (4)
1.85V (1)
Minimum Transmitting Current
24mA (1)
44.6mA (1)
5.1mA (2)
8.2mA (2)
9.8mA (1)
Modulation
2-FSK, 4-FSK, 2-GFSK, 4-GFSK, DSSS, GMSK, MSK, OOK, O-QPSK (2)
2-FSK, 4-FSK, ASK, BPSK, DBPSK, DSSS, GFSK, GMSK, MSK, OOK, O-QPSK (1)
2-FSK, DSSS, GFSK, GMSK, MSK, O-QPSK (2)
DSSS (1)
O-QPSK (1)
Number of Cores
1 (6)
N/A (1)
PK Package Dimensions Note
Popular package size 45% from Suppliers use this Dimension (1)
Popular package size 59% from Suppliers use this Dimension (1)
Package Type
32-QFN (4x4) (1)
32-QFN (5x5) (1)
40-QFN (5x5) (2)
48-QFN (6x6) (2)
48-QFN (7x7) (1)
Packaging Quantity
2000 (1)
N/A (3)
Packaging Type
Tape and Reel (4)
Protocol
802.11b/g/n (1)
802.11g, Zigbee® (1)
Bluetooth v5.1 (1)
Bluetooth v5.3, Matter, Thread, Zigbee® (2)
Proprietary, Sidewalk, Wi-Sun, Wireless M-Bus (1)
Sidewalk, Z-Wave® (1)
RF Family Standard
802.15.4 (1)
802.15.4, Bluetooth (2)
802.15.4, Bluetooth, WiFi (1)
802.15.4, General ISM < 1GHz (1)
Bluetooth (1)
WiFi (1)
ROHS
Compliant (7)
Reach Status
Not Affected (6)
RoHs China
Compliant (6)
RoHs Exemption Type
None (5)
RoHS (2015/863) (5)
Serial Interfaces
ADC, GPIO, I²C, I²S, IrDA, PWM, SPI, UART (1)
ADC, I²C, I²S, IrDA, PWM, SPI, UART, USART (1)
ADC, I²C, I²S, PWM, SPI, IrDA, UART, USART (2)
I²C, I²S, IrDA, JTAG, SPI, UART, USART (1)
I²C, JTAG, PWM, SPI, UART, USB (1)
SDIO, SPI (1)
Transceiver Type
TxRx + MCU (7)
Typical Output Power
10.5dBm (1)
14dBm (1)
17dBm (1)
19.5dBm (2)
20dBm (1)
8dBm (1)
RF ICs
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Silicon Labs
EFR32BG1B232F256GM32-C0R
MFR#
EFR32BG1B232F256GM32-C0R
FPN#
EFR32BG1B232F256GM32-C0R-FL
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Silicon Labs
EFR32FG23A020F512GM48-BR
MFR#
EFR32FG23A020F512GM48-BR
FPN#
EFR32FG23A020F512GM48-BR-FL
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Silicon Labs
EFR32MG24A020F1536IM40-BR
MFR#
EFR32MG24A020F1536IM40-BR
FPN#
EFR32MG24A020F1536IM40-BR-FL
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Silicon Labs
EFR32MG24A020F1536IM48-BR
MFR#
EFR32MG24A020F1536IM48-BR
FPN#
EFR32MG24A020F1536IM48-BR-FL
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Silicon Labs
EFR32ZG23A010F512GM40-BR
MFR#
EFR32ZG23A010F512GM40-BR
FPN#
EFR32ZG23A010F512GM40-BR-FL
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Multiples of: 2500
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Silicon Labs
EM3581-RTR
MFR#
EM3581-RTR
FPN#
EM3581-RTR-FL
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Multiples of: 2000
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Silicon Labs
WF200SDR
MFR#
WF200SDR
FPN#
WF200SDR-FL
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