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RF-BM-BG22A
Shenzhen RF-star Technology Co., Ltd.
Page 2 of 19
Transmitter (EUART)
-
2
×
I
2
C interface with SMBus support
-
Digital microphone interface (PDM)
-
Precision Low-Frequency RC Oscillator enabling
single-crystal operation
-
RFSENSE with selective OOK mode
-
Die temperature sensor with +/-2 degree C
accuracy across temperature range
•
Wide Operation Range
-
1.71 V to 3.8 V single power supply
-
Operating temperature: -40
°
C to +85
°
C
•
Security Features
-
Secure Boot with Root of Trust and Secure Loader
(RTSL)
-
Hardware
Cryptographic
Acceleration
for
AES128/256, SHA-1, SHA-2 (up to 256-bit), ECC
(up to 256-bit), ECDSA, and ECDH
-
True Random Number Generator (TRNG) compliant
with NIST SP800-90 and AIS-31
-
ARM
®
TrustZone
®
-
Secure Debug with lock/unlock
1.3 Applications
•
Asset tags and beacons
•
Consumer electronics remote controls
•
Portable medical
•
Bluetooth Mesh Low energy nodes
•
Sports, fitness and wellness devices
•
Connected home
•
Building automation and security
1.4 Functional Block Diagram
Figure 1. Functional Block Diagram of RF-BM-BG22A
EFR32
BG22
GPIOs
Debug
Reset
Low-Pass
Filter
Power Supply
1.71 V ~ 3.8 V
Antenna
Matching
38.4 MHz
Matching
Half-Hole
Interface
PCB
Antenna
Antenna
Switch