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MK15 RTL8762CMF Bluetooth Module is a powerful, highly flexible and ultra-low-power Bluetooth® 5.0 module based on Realtek Semiconductor Corp RTL8762CMF SoC solution, which combines the excellent performance of a leading RF transceiver with a 32-bit ARM® Cortex™-M4F CPU and rich powerful supporting features and peripherals.

• Realtek Semiconductor Corp RTL8762CMF SoC solution
• Bluetooth 5 – CSA#2, Advertising Extensions, Long-range
• 512kB Flash and 160kB RAM
• Highly flexible multiprotocol SoC ideally suited for Bluetooth® Low Energy and Bluetooth® mesh ultra-low-power wireless applications.

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MK15 series is a powerful, highly flexible, and ultra-low-power Bluetooth® 5.0 module based on Realtek Semiconductor Corp RTL8762CMF SoC solution, which combines the excellent performance of a leading RF transceiver with a 32-bit ARM® Cortex™-M4F CPU and rich powerful supporting features and peripherals.

• Realtek Semiconductor Corp RTL8762CMF SoC solution
• Bluetooth 5 – CSA#2, Advertising Extensions, Long-range
• 512kB Flash and 160kB RAM
• Highly flexible multiprotocol SoC ideally suited for Bluetooth® Low Energy and Bluetooth® mesh ultra-low-power wireless applications.

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MK15 RTL8762CMF Bluetooth Module has two different models — MK15A & MK15B.

MK15A

MK15A integrates a high-performance PCB antenna

MK15B

MK15B

MK15B uses an u.FL connector and requires an external antenna

General

Features

ARM® 32-bit Cortex®-M4F at 40 MHz

RAM

Total 160kByte RAM consists 4 sectors.
RAM1 – 112kByte Data RAM
RAM2 – 8kByte Cache Shared RAM
RAM3 – 8kByte Cache Shared RAM
RAM4 – 32kByte Buffer RAM
All the RAM regions can be used to execute code and hold data

Flash

Embedded 512kByteFlash (448kB for custom use, 64kB has been used for OS)
Flash Address Space is a virtual space that is mapped to external Flash to extend the code space in XIP (execute In Place) mode

Dimensions

Length: 21mm±0.2mm
Width: 13.8mm±0.2mm
Height: 2.3mm+0.1mm/-0.15mm

Bluetooth

Features

Bluetooth® Low Energy
Bluetooth® SIG Mesh
1M LE PHY
2M LE PHY (High speed)
LE Coded PHY (Long range)
Advertising Extensions
CSA #2 (Channel Selection Algorithm #2)
GAP, ATT/GATT, SMP, L2CAP
Bluetooth Mesh + GATT connection x 3

Roles

Concurrent central, observer, peripheral and broadcaster

Radio

Modulations

GFSK at 1 Mbps/2 Mbps Long range (125kbps and 500kbps) data rates

Transmit power

-20dBm, 0dBm, +3dBm, +4dBm, +7.5 dBm

Antenna

MK15A series – PCB trace antenna
MK15B series – u.FL connector

Receiver Sensitivity

-97 dBm sensitivity in 1 Mbps Bluetooth® LE mode
-101 dBm sensitivity in 125 kbps Bluetooth® LE mode

Hardware

Power Supply

1.8V to 3.3V DC

Power Regulator

Switching regulator for DC/DC buck setup

Clock control

Embedded 40MHz crystal oscillator
Embedded 32K RC oscillator and support external 32.768kHz crystal oscillator

Package

34 diameters of Half-holes

Interfaces

25 (max) flexible General Purpose IOs
Hardware key-scan
Embedded IR transceiver
Real-Time counters (RTC)
Generic 4-wire SPI master/slave
Low power comparators x 8
400ksps, 12bit, 6 channel AUXADC
SWD
Timers x 8
I2C x 2
PWM x 8
UART x 2

Storage Temperature

-55 to 125°C

Operating Temperature

-40 to 85°C
Extended Industrial temperature -40 to +105°C can be customized

Video

MK115B
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