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DA14594

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SmartBond Dual-Core Bluetooth LE SoC (Qualified Against Bluetooth Core 5.3) with Embedded Flash

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Features

  • Dual-core: Cortex-M33F at 64MHz as application core, M0+ at 64MHz as configurable MAC
  • Bluetooth features: Direction Finding, Extended Advertising, Periodic Advertising
  • Locationing 2.0 Tx: AoA/AoD, ATLAS AoA, Eddystone, iBeacon, WiRa Gen3 Responder
  • Receive sensitivity -97dBm, Transmit +6dBm
  • 96kB RAM (+16kB Cache), 256kB Flash, 288kB ROM (incl. stack), QSPI external Flash or RAM expansion
  • 8-ch, 15-bit Sigma-delta analog-to-digital converter (ADC)
  • Power consumption: Rx = 1.2mA, Tx = 2.3mA, Active = 34uA/MHz, Hibernation = 90nA
  • Only requires 6 external components
  • Security: Secure key storage, secure boot
  • Quad-decoder (active in hibernation)
  • WLCSP (3.32x2.48mm), FCQFN (5.1x4.3mm)
Find Other Products in Bluetooth Low Energy
DA14594 Block Diagram
DA14594 Locationing 2.0 Bluetooth LE System on Chip Overview
DA14594 Block Diagram
DA14594 Locationing 2.0 Bluetooth LE System on Chip Overview

Description

The DA14594 is a dual-core wireless microcontroller, combining the latest Arm® Cortex®-M33™ application processor with floating-point unit, Cortex-M0+™, advanced power management functionality, a cryptographic security engine, analog and digital peripherals, a software configurable protocol engine with a radio that supports Bluetooth® LE (qualified against Bluetooth Core 5.3) and 256KB of embedded flash accompanied by 96KB of RAM, 16KB of cache RAM, and 288KB ROM (containing the Bluetooth Low Energy (LE) stack). The embedded flash or SRAM may be expanded externally through QSPI.

The DA1459x family offers the lowest power consumption in its class, and the DA14594 also offers ‘Locationing 2.0’ customers the lowest power and lowest cost SoC for implementing Asset Tracking and Locationing At Scale (ATLAS) Angle of Arrival (AoA) Tags and Wireless Ranging (WiRa™) phase-based ranging Responders.

The DA14594 is based on an Arm Cortex-M33 CPU with an 8-region MPU and a single-precision FPU offering up to 96dMIPS at 64MHz. The dedicated application processor executes code from embedded flash or RAM via an 8KB 4-way associative cache controller. The authenticity and integrity of Bluetooth connectivity is guaranteed by a new software-configurable Cipher-based Message Authentication Code (CMAC) implementation based on an Arm Cortex-M0+ with an ultra-low-power radio transceiver, capable of +6dBm output power and -97dBm sensitivity, offering a total link budget of 103dB.

A variety of standard and advanced peripherals enable interaction with other system components and the development of advanced user interfaces and feature-rich applications.

Parameters

AttributesValue
Wireless StandardBLE 5.3 Core specification
Proprietary 2G4 protocolYes
CPUM33 & M0+
Flash Memory (KB)256
ROM (KB)288
Memory Size (OTP) (KB)2
RAM (KB)96
GPIOs (#)32
Supply Voltage Vcc Range1.7-3.6
Integrated DCDCIntegrated Buck DC-DC converter
Integrated Battery ChargerNo
External Rails and Load CapacityNone
Tx Current (mA)2.3
Rx current (mA)1.2
Output Power Range (dBm)-23 - 6
Sensitivity (dBm) (dBm)-97
Clock Rate (MHz)64
Flexible System ClockYes
Execute from FLASHYes
Hardware Crypto EngineYes
QSPI Interface (#)1
SPI (#)1
I2C (#)1
UART (#)2
ADC15-bit x 8-ch, 10-bit x 8-ch
USB Ports (#)0
LE Data Length ExtensionsSupported
2MbpsSupported
LE Coded PHY (Long Range)Not Supported
Extended AdvertisingSupported
Periodic AdvertisingSupported
AoATX Supported
AoDTX Supported
GATT CachingNot Supported
Bluetooth® MeshNot Supported
Temp. Range (°C)-40 to +85°C

Package Options

Pkg. TypePkg. Dimensions (mm)Lead Count (#)Pitch (mm)
FCQFN5.1 x 4.3 x 0.78520.4
WLCSP2.48 x 3.32 x 0.37390.42

Product Comparison

DA14594DA14592
RAM (KB)9696
Extended AdvertisingSupportedNot Supported
Periodic AdvertisingSupportedNot Supported
AoATX SupportedTX Supported
AoDTX SupportedTX Supported
ApplicationATLAS, AoA, AoD, Asset tracking, Beacons, HID, IoT, Medical, Metering, PoS, Wireless Ranging (WiRa)AoA, AoD, Asset tracking, Beacons, Connected health, Crowd-sourced location tracking, HID, IoT, Medical, Metering, PoS, Proximity tags & trackers, RCU
GPIOs (#)3232
Pkg. TypeFCQFN, WLCSPFCQFN, WLCSP

Application Block Diagrams

Automatic pet door and tracking system block diagram featuring Wi-Fi and Bluetooth Low Energy connectivity, versatile HMI, mixed-signal ICs, and NFC.
Automatic Pet Door & Tracking System
Smart pet door with tag system for automatic entry and lost-pet tracking via proximity detection.
Interactive block diagram of the NFC-rechargeable user badge compatible with Renesas' Universal Bluetooth Low Energy Angle of Arrival Locator.
User Badge for Access and Tracking
Rechargeable user badge with real-time tracking for secure access and personnel safety.
Single Antenna Proximity and Tracking Tag Block Diagram
Bluetooth Low Energy Tags for Proximity and Asset Tracking
Ultra-low power Bluetooth Low Energy asset tracker tag with high-precision accuracy.

Additional Applications

  • Locationing 2.0 Tag (AoA/AoD, ATLAS AoA, Eddystone, iBeacon, WiRa Gen3 Responder)
  • Asset Tracking
  • Connected Health
  • Human Interface Device
  • Activity Tracker
  • Data Logger
  • PoS Reader
  • Metering
  • High-end Voice RCU
  • IoT End Node
  • Toys

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The DA14594 is a Bluetooth® Low Energy (LE) System on Chip (SoC) designed for high performance and efficiency. Featuring a dual-core architecture, advanced power management, and a cryptographic engine, this SoC supports Bluetooth 5.3 LE and Locationing 2.0 technology for scalable asset tracking and precise positioning. This video provides an overview of its capabilities and applications.

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