EM9305 (em | bleu)
em | bleu is a versatile single chip Bluetooth Low Energy solution for the smallest and lowest power consumption connected devices. In a market with billions of Bluetooth devices sold every year, em | bleu stands out for:
- As small as a pen tip, EM9305 is the smallest Bluetooth LE chip that will fit anywhere.
- True Ultra Low Power performance for sustainable lightweight applications, always ready-to-use.
- Robust RF performance for transferring large amounts of data in noisy environments, and over long distances;
- Cost-effective implementations with a small bill of materials (BOM).
Redefining Connectivity and Efficiency
Engineered for flexibility, performance, and energy efficiency, the EM9304 delivers state-of-the-art Bluetooth® 5.0 technology in a compact, cost-effective design for IoT and connected applications.
Optimized for long lifetimes with coin-cell batteries or energy harvesting.
Compatible with multiple communication protocols for flexible applications.
Ideal for compact, space-saving designs.
Reduces external components and manufacturing costs.
Documents
Energy efficient, industry standard, ARC EM7D, 32-bit MCU with DMA and Cache for minimum power consumption…
Features / Block Diagram
Energy efficient, industry standard, ARC EM7D, 32-bit MCU with DMA and Cache for minimum power consumption
- DSP and FPU for signal processing
- 64kB ROM for secure boot
- 512kB flash memory for protocol and applications
- 64kB data/instruction RAM, all retainable starting from 4kB
- 48MHz MCU and memory-read speed
- Full Speed USB, UART, I2C, I2S/TDM and SPI interfaces
- ADC
- 12 GPIO on QFN, 10 GPIO on WLCSP
Bluetooth 5.4 Implementation and upgradable
- High Data Rate (HDR) and Long Range (LR) support
- Periodic Advertising with Response (PAwR) support
- SPI, UART, and USB HCI transportation layers
Sophisticated Power Management System
- Digital step up/down DCDC operation
- supporting 1.1-3.6V
- Inductor-less voltage multiplier mode for minimal BOM
- Direct power from 5V USB port
- Low frequency RC or 32kHz crystal oscillator time base
Security Features
- True Random Number Generator
- AES-128 Hardware Encryption/Decryption Engine
- Key Generation (ECC-P256)
- Secure Key Containers
- Secure lifecycle management
Low Current Consumption at 3V
- 3.1mA typical receiver current
- 3.4mA typical transmitter current at 0dBm
- 390nA Bluetooth LE sleep mode with XTAL (4kB RAM retention)
- 200nA in deep sleep mode (no RAM retention)
- 7.5nA in disable mode
High Performance RF
- -94/-97/-103dBm RX sensitivity for 2Mbps/1Mbps/125kbps modes and 37 byte payload
- -57dBm to +10dBm transmitter output power range
Low Component Count and Cost
- Single ended antenna pin with matching network
- Minimal DC component network
- 48MHz XTAL, and optional 32kHz XTAL
- QFN-28 (4x4mm), WLCSP23 (1.8×1.8mm), bare-die/wafer
Operating temperature: -40°C to +85°C
Datasheet
