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EM300 SoC
Extended Features


Block Diagram

APL - Application Layer NWK - Network Layer
APS - Application Support Sub-Layer SSP - Security Service Provider
ZDO - ZigBee Device Object  

The EM351 and EM357 ZigBee chips from Ember are the industry’s first ARM Cortex-M3 based family of SoCs delivering unmatched performance, power consumption and code density in a compact package. The EM351 and EM357 combine a 2.4 GHz IEEE 802.15.4 radio transceiver with a 32-bit microprocessor, Flash memory and RAM with powerful hardware supported network-level debugging features. This, combined with the powerful ecosystem of ARM tools, enables OEMs to simplify development and accelerate time to market.

The EM300 family is tightly integrated with EmberZNet PRO, Ember’s ZigBee compliant mesh networking software which is the most deployed ZigBee platform in the market.

• EM351—integrates a programmable ARM Cortex-M3 processor, IEEE 802.15.4 RF radio transceiver, 128 KB Flash and 12 KB RAM and EmberZNet PRO network protocol stack supporting the ZigBee PRO Feature Set
• EM357—optimized for applications that require more memory, it has 192 KB Flash but incorporates all the other characteristics and features of the EM351.

Block Diagram Circuit Diagram
EM300 Diagram EM300 Diagram
Click Images to Enlarge

Features
  • Industry’s first ARM Cortex-M3 based family of SoCs
  • Exceptional, industry leading RF performance
  • 128 KB (EM351) and 192 KB (EM357) flash variants available
  • 12 KB RAM
  • High code density to accommodate the most sophisticated applications
  • Lowest deep sleep current and multiple sleep modes
  • Excellent immunity to other 2.4 GHz devices for reliable co-existence
  • Built in memory protection
  • Flexible Antenna Interface allows easy antenna connection with or without PA
  • Flash guaranteed for 20,000 write cycles, enhances token storage capability via SIM-EEPROM
  • AES 128 hardware encryption engine with true random number generator
  • Hardware supported network level debugging with “InSight Port”
  • Capable of being ZigBee Coordinator(ZC), full function device (FFD)and reduced function device (RFD)
General Characteristics
Deep Sleep Current (with sleep timer running) 1uA max

RX Current 

26 mA
TX Current  31mA at +3 dBm
Crystal Frequency 24MHz
Operating Temperature Range -40° to +85° C
Voltage (internal reg) 2.1 to 3.6V
Package  7mm x 7mm, 48QFN

RF Characteristics
Data Rate 250kbps

Frequency

2400 MHz to 2500 MHz
16 total 5 MHz Channels
RX Sensitivity -100 dBm - Normal Mode
-102 dBm - Boost Mode
Adj Channel Rejection (15.4) 35dB
Alt Channel Rejection (15.4) 46dB
802.11g Rejection (+12/-13 MHz) 36dB
TX Power -32dBm to +3dBm - Normal Mode
-32dBm to +8dBm - Boost Mode
Total Link Budget
Up to 110 dB

Micro Characteristics
Operating Fequency 12MHz

Flash

EM351 - 128KB
EM357 - 192KB
RAM 12KB

For further information, please see the Documentation Page.

 

   
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