EM34x Zigbee Remote Control IC

EM341 is a fully integrated system-on-chips (SOC) that integrate a 2.4 GHz, IEEE 802.15.4-2003-compliant transceiver, 32-bit ARM® Cortex®-M3 microprocessor, flash and RAM memory and peripherals of use to designers of Zigbee-based RF4CE systems. The integrated receive channel filtering allows for robust co-existence with other communication standards in the 2.4 GHz spectrum, such as IEEE 802.11-2007 and Bluetooth®.  The integrated 32-bit ARM Cortex-M3 microprocessor is highly optimized for high performance, low power consumption, and efficient memory utilization.

Due to the evolution of the Zigbee protocol, Flash and RAM requirements have increased.  We recommend migrating to EFR32MG devices with more Flash and memory to future-proof designs:

  • EFR32MG13 for battery-powered Zigbee or Thread applications
  • EFR32MG12 for Zigbee, Thread and multiprotocol applications
  • EFR32MG21 for mains powered mesh applications including lighting, gateways and voice assistants

EM34x Common Specs

  • 32-bit ARM Cortex-M3 processor
  • 2.4 GHz IEEE 802.15.4-2003 transceiver & lower MAC
  • 192 kB flash, with optional read protection
  • 12 kB RAM memory
  • AES128 encryption accelerator
  • UART/SPI serial communications
  • 24 GPIOs

Innovative Network and Processor Debug

  • Packet Trace Port for non-intrusive packet trace with Ember development tools
  • Serial Wire/JTAG interface
  • Standard ARM debug capabilities: Flash Patch & Breakpoint; Data Watchpoint & Trace; Instrumentation Trace Macrocell

Application Flexibility

  • Single voltage operation: 2.1–3.6 V with internal 1.8 and 1.25 V regulators
  • Low external component count with single 24 MHz crystal
  • Small 7 mm x 7 mm 48-pin QFN package

Low Power Consumption

  • RX Current (w/ CPU): 26 mA
  • TX Current (w/ CPU, +3 dBm TX): 31 mA
  • Low deep sleep current, with retained RAM and GPIO: 400 nA without/800 nA with sleep timer
  • Low-frequency internal RC oscillator for low-power sleep timing

Exceptional RF Performance

  • Link budget up to 110 dB
  • –100 dBm normal RX sensitivity; configurable to –102 dBm (1% PER, 20 byte packet)
  • Configurable up to +8 dBm
  • Robust Wi-Fi and Bluetooth coexistence
Status
Find the Right EM34x Device Select Columns
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Part Number MCU Core Flash RAM GPIO TX Power (dBm) Adj Channel Rejection (15.4) +12/-13 MHz 802.11g Rejection Deep Sleep Current RX Current TX Current Crystal Frequency
EM341 (NRND)
ARM Cortex-M3 128 12 24 8 46 36 0.4 (no timer) 26.5 31 (normal @ +3 dBm) 24

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