Renesas / Dialog DA14706 Highly Integrated Advanced Wireless MCU

Renesas / Dialog DA14706 Highly Integrated Advanced Wireless MCU has integrated application processors, 2D Graphics processors, Voice Activity Detector (VAD), and Power Management Unit (PMU).  It’s the only product in the BLUETOOTH^® LE space to offer this level of integration. This allows for cost-effective and reliable form factor designs for complex sensor and graphical processing applications.

Features

Compatible with BLUETOOTH^® 5.2, ETSI EN 300 328 and EN 300 440 Class 2 (Europe), FCC CFR47 Part 15 (US), and ARIB STDT66 (Japan)
Flexible processing power
- 32kHz up to 160MHz 32-bit Arm® Cortex-M33 with 8kB, four-way associative cache, FPU, and eight-segment MPU
- Flexible and configurable BLUETOOTH Low Energy MAC engine implementing the controller stack up to HCI
- An Arm^® Cortex M0+ based sensor node controller for sensors manipulation
- 2D GPU for advanced graphics processing
- Optimized power modes (Extended sleep, Deep sleep, and Hibernation)
Memory
- 1.5MB Data SRAM with retention
- 4kB One-Time-Programmable (OTP) memory for secure key storage
- 8kB ICache SRAM with retention
- 8kB DCache SRAM with retention
- 32kB ROM (boot, PKI routines)
Power management
- Low Iq SIMO Buck DC-DC converter
- Boost DC-DC converter (4.5V to 5.0V)
- 4x power supply pins for external devices DCDC supported
- Hardware charger (up to 5.0V) with programmable curves and JEITA support
- Integrated Power Path Management
Digital controlled oscillators
- High-speed RC 32/64/96MHz (RCHS) with 1.5% precision
- 32MHz crystal oscillator
- Low Power RC 32/512kHz (RCLP)
- RCX oscillator (±500ppm maximum) and optional 32kHz crystal oscillator
Real-Time Clock with 10ms resolution
6x general-purpose, 24-bit up/down timers with PWM
Application cryptographic engine with AES128/192/256, SHA-224/256/384/512, and a True Random Number Generator (TRNG)

Digital interfaces
- Up to 79x general-purpose I/Os
- Decrypt-on-the-fly Octa/Quad SPI FLASH interface
- Dedicated QSPI PSRAM and QSPI FLASH interfaces
- eMMC interfaces supporting up to 48MHz SDR mode
- Parallel-DPI/DBIB/JDI, SPI/Dual SPI/QSPI Display Controller with own DMA and two-layer support
- 3x UARTs up to 6Mbps, one UART extended to support ISO7816
- 3x SPI+™ controllers
- MIPI I³C controller at 12.5MHz
- 3x I²C controllers at 100kHz, 400kHz, or 3.4MHz
- PDM interface with dual HW sample rate converter (SRC)
- I²S/PCM master/slave interface, up to eight channels
- USB 1.1 Full Speed device interface
Analog interfaces
- Ultra-Low Power Voice Activity Detection (VAD) enabling seamless audio processing with system-on current of <26µA
- Four-channel 10-bit SAR General Purpose ADC, 2.6Msps
- 11 ENOB, 16Ksps Audio ADC with Programmable Gain Amplifier
- 3x matched white LED drivers
Radio transceiver
- Single wire antenna, no RF matching or RX/TX switching required
- Supply current at VBAT
  - TX: 3mA
  - RX: 1.85mA (with ideal DCDC)
- Configurable transmit output power from -18dBm to +6dBm
- -97dBm receiver sensitivity
VFBGA-142 package, 6.2mm x 6mm, 0.45mm pitch

Applications

Fitness trackers
Sport watches
Smartwatches
Consumer medical devices

Consumer and home appliances
Home automation
Industrial automation and security systems
Gaming consoles

Specifications

2.4GHz operating frequency
6Mbps maximum data rate
6dBm output power
-97dBm sensitivity
2.9V to 4.75V supply voltage range
160MHz, 2.4GHz maximum clock frequency

Supply current
- 1.85mA receiving
- 3mA transmitting
4kB, 32kB program memory size
1.5MB data RAM size
-40°C to +85°C operating temperature range

Block Diagram

Digital Power Domains

Renesas / Dialog DA14706 Highly Integrated Advanced Wireless MCU

The DA14706 MCU supports a number of digital power domains that can be turned ON and OFF independently from one another.