MK14 nRF52805 Bluetooth Module is a powerful, highly flexible and ultra-low power Bluetooth® 5 modules based on Nordic® Semiconductor lower-end nRF52805 SoC solution, which has a 32-bit Arm® Cortex™-M4 CPU with floating-point unit running at 64 MHz.
MK14 series is a powerful, highly flexible and ultra-low power Bluetooth® 5 modules based on Nordic® Semiconductor lower-end nRF52805 SoC solution, which has a 32-bit Arm® Cortex™-M4 CPU with floating-point unit running at 64 MHz.
MK14A integrates a high-performance PCB antenna
MK14B uses a u.FL connector and requires an external antenna
Bluetooth® Low Energy
1M LE PHY
CSA #2
Concurrent peripheral and broadcaster roles
GFSK at 1 Mbps data rates
+4 dBm maximum
Configurable down to -40dBm
MK14A – PCB trace antenna
MK14B – External 2.4Ghz antenna
Length:12.1mm±0.2mm
Width: 8.9mm±0.2mm
Height: 2.0mm±0.1mm/-0.15mm
16 Plated Half-hole pins
ARM® Cortex®-M4 32-bit processor with FPU, 64MHz
192kB flash, 24 kB RAM
SPI master/slave with EasyDMA
UART (CTS/RTS) with EasyDMA
Quadrature decoder (QDEC)
2x real-time counter (RTC)
2x 12-bit, 200ksps ADC
10 GPIOs
1.7V to 3.6V
-40 to 85°C
32.768 kHz +/-20 ppm crystal oscillator
DC/DC regulator setup
| Item | Description | Version | Size | Last Update |
|---|---|---|---|---|
| Datasheet | MK14_Bluetooth_Module_Datasheet.pdf | 1.1 | 823KB | 06/08/2020 |
| Schematic - MK14A | MK14A.pdf | 1.0 | 181KB | 06/08/2020 |
| Schematic - MK14B | MK14B.pdf | 1.0 | 182KB | 06/08/2020 |
| Support Link | nRF52805_Product_Specification.pdf | 1.0 | 5MB | 06/08/2020 |
| Product List | MOKO_Bluetooth_Module_Family.pdf | 1.0 | 907KB | 06/08/2020 |
| Technical Drawings | MK14 Library | 1.0 | - | 20/01/2021 |
| Certification | MK14-CE | 1.0 | - | 20/01/2021 |
| Certification | MK14-FCC | 1.0 | - | 20/01/2021 |
| Certification | MK14-IC | 1.0 | - | 20/01/2021 |
| Certification | MK14-RCM | 1.0 | - | 20/01/2021 |
| Certification | MK14-TELEC | 1.0 | - | 20/01/2021 |
