Features
- Cortex M0+, 16MHz
- 1Mbit onboard FLASH
- 64KB RAM
- 160KB ROM
- 12KB OTP
- Receiver current consumption: 2.7mA at VBAT = 3V
- Transmitter current consumption: 2.6mA TX@ 0dBm at VBAT = 3V
- Sleep current: 1.7μA with all 64KB RAM retained
- Radio programmable RF transmit power: -18 to +3 dBm
- Receiver sensitivity: -92.5dBm
- Interfaces to a quadrature decoder with 3 channels
- Channel 10-bit analog-to-digital converter (ADC)
- Two general-purpose timers with pulse-width modulation (PWM)
- 9 GPIOs, SPI, 2x UART, 1-wire UART, I2C
- Operating range: 1.8V – 3.6V with inrush current management (extended battery life)
Description
The DA14535MOD is a lowest-power consumption, low-cost, fully self-contained Bluetooth® Low Energy (LE) v5.3 Module that is worldwide certified and ideal for a range of applications, including fast-upgrade projects to wirelessly connect your product to a smartphone for quick and simple commissioning, control, alerts, and data collection usage. The DA14535MOD is a pin-equivalent and functional-equivalent alternative to the market-adopted DA14531MOD, with both modules utilizing Cortex-M0+, clocking at 16MHz and on-die RAM, ROM, and OTP with integrated 1Mbit Flash, 32MHz crystal, power inductor, RF matching, and printed antenna. The DA14535MOD differs from the DA14531MOD with the following key features:
- Transmit Pout up to +3dBm
- 64KB RAM, 160KB ROM, 12KB OTP
- Compliance with Bluetooth Low Energy 5.3
- 2-wire UART support for Host-MCU-based operation*
*This feature is supported by the inclusion of a secondary boot loader in Flash during factory programming. For applications where a host MCU SoC is also present, this feature permits use of the host MCU’s memory to store and download DA14535MOD code for a Bluetooth LE data pump. This feature can also remove the need for DA14535MOD factory programming during end-product production test.
Parameters
| Attributes | Value |
|---|---|
| Wireless Standard | BLE 5.3 Core specification |
| Proprietary 2G4 protocol | No |
| CPU | M0+ |
| Flash Memory (KB) | 128 |
| ROM (KB) | 160 |
| Memory Size (OTP) (KB) | 12 |
| RAM (KB) | 64 |
| GPIOs (#) | 9 |
| Supply Voltage Vcc Range | 1.8-3.6 |
| Integrated DCDC | Buck |
| Integrated Battery Charger | No |
| External Rails and Load Capacity | None |
| Tx Current (mA) | 2.6 |
| Rx current (mA) | 2.7 |
| Output Power Range (dBm) | - |
| Sensitivity (dBm) (dBm) | -92.5 |
| Clock Rate (MHz) | 16 |
| Flexible System Clock | Yes |
| Execute from FLASH | No |
| Hardware Crypto Engine | Yes |
| QSPI Interface (#) | 0 |
| SPI (#) | 1 |
| I2C (#) | 1 |
| UART (#) | 2 |
| ADC | 10-bit x 4-ch |
| USB Ports (#) | 0 |
| LE Data Length Extensions | Supported |
| 2Mbps | Not Supported |
| LE Coded PHY (Long Range) | Not Supported |
| Extended Advertising | Not Supported |
| Periodic Advertising | Not Supported |
| AoA | Not Supported |
| AoD | Not Supported |
| GATT Caching | Not Supported |
| Bluetooth® Mesh | Not Supported |
| Temp. Range (°C) | -40 to +85°C |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| MODULE | 12.5 x 14.5 x 2.8 | 16 | 1.5 |
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Additional Applications
- Rapid/simple ‘bolt-on’ to upgrade (any) product to include Bluetooth LE (enabling smartphone application control)
- Disposables
- Beacons
- Proximity tags and trackers
- Wireless sensor nodes
- Fitness trackers
- Consumer health
- Smartwatches
- Human interface devices
- Toys
Filters
Software & Tools
Sample Code
Simulation Models
GitHub Examples Repository
Browse the GitHub example code repository for the DA145xx family.