Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

Overview

The KW31Z is an ultra-low-power, highly integrated single-chip device that enables portable, ultra-low-power embedded systems with Bluetooth® Low Energy (BLE) v4.2 RF connectivity. Applications include portable medical devices, wearable sports and fitness devices, AV remotes, computer keyboards and mice, game controllers, access security systems, smart energy and home networking.

The KW31Z wireless MCU integrates a 2.4GHz transceiver with FSK/GFSK modulation support, an ARM® Cortex-M0 + CPU, up to 512KB of flash memory and 128KB of SRAM, BLE link layer hardware, hardware security and peripherals to meet the needs of the target application.

Device: MKW31Z256VHT4

Type: Wireless Connected Microcontroller (MCU)

Package: VFLGA64

Features

Bluetooth Low energy radio function

Compliant with 2.4GHz Bluetooth Low Energy V4.2

Typical receiving sensitivity (BLE) = -95 dBm

Transmitter output power can be set up to +3.5 dBm

Kernel and memory

Up to 48 MHz Arm® Cortex®-M0+ core

Up to 512 KB flash memory

Up to 128 KB of SRAM

Excellent coexistence performance

Integrated scales reduce system costs and reduce PCB board space

Low power consumption, operating voltage range

9 low power modes to provide optimized power supply according to application requirements

Typical receive/transmit current (DC/DC supported) : 6.8/6.1mA

Bypass voltage: 1.71V to 3.6V

DCDC converter buck configuration: 2.1V to 4.2V

DCDC converter boost configuration: 0.9V to 1.795V

Analog module

16-bit analog-to-Digital Converter (ADC)

12-bit digital-to-analog Converter (DAC)

6-bit High Speed Analog Comparator (CMP)

security

AES-128 Accelerator (AESA), True Random Number Generator (TRNG)

Supporting software

BLE host protocol stack and data

General FSK link layer software

Kinetis® Software Development Kit (SDK)

FreeRTOS kernel and bare metal non-preemptive task scheduler

Supports MCUXpresso and IAR

If necessary, please contact Mr. Chen:

Tel: +8613410018555

Email: sales@hkmjd.com

Official website: www.hkmjd.com