RAFAVI_BLUETOOTH

KW31Z

恩智浦

0.00

RMB

Overview

The KW31Z is an ultra-low-power, highly-integrated single-chip device that enables Bluetooth® low energy v4.2 RF connectivity for portable, extremely low-power embedded systems. Applications include portable healthcare devices, wearable sports and fitness devices, AV remote controls, computer keyboards and mice, gaming controllers, access control security systems, smart energy and home area networks. The KW31Z Wireless MCU integrates a 2.4 GHz transceiver supporting FSK/GFSK modulations, an Arm® Cortex®-M0+ CPU, up to 512 KB Flash and up to 128 KB SRAM, Bluetooth Low Energy Link Layer hardware, hardware security and peripherals optimized to meet the requirements of the target applications.

Kinetis KW41Z 系列产品对比

Part Number	Wireless Connectivity Protocol	Memory	Package Size	Hardware Development Tool
MKW41Z512VHT4	Bluetooth Low Energy and IEEE 802.15.4	512 KB Flash, 128 KB RAM	7 mm x 7 mm x 1 mm 48-pin Laminate QFN	FRDM-KW41Z USB-KW41Z
MKW41Z256VHT4		256 KB Flash, 64 KB SRAM	7 mm x 7 mm x 1 mm 48-pin Laminate QFN
MKW41Z512CAT4R		512 KB Flash, 128 KB RAM	3.9 mm x 3.8 mm 75-pin WLCSP
MKW31Z512VHT4	Bluetooth Low Energy	512 KB Flash, 128 KB RAM	7 mm x 7 mm x 1 mm 48-pin Laminate QFN
MKW31Z256VHT4		256 KB Flash, 64 KB SRAM	7 mm x 7 mm x 1 mm 48-pin Laminate QFN
MKW31Z512CAT4R		512 KB Flash, 128 KB RAM	3.9 mm x 3.8 mm 75-pin WLCSP

Features

1. Excellent coexistence performance;
2.Integrated balun to reduce system cost and PCB board area
3.Nine low-power modes to provide power optimization based on application requirements
4.Typical Rx/Tx Current (DC/DC Enabled): 6.8/6.1 mA;
5. Bypass Voltage: 1.71V to 3.6V;
6. DCDC Converter Buck Configuration: 2.1V to 4.2V;
7. DCDC Converter Boost Configuration: 0.9V to 1.795V

Features

Block Diagram

KINETIS-KW31Z-BD.webp

Application Note

Industrial Air Conditioning (AC) Anesthesia Unit Monitor Avionics Blood Glucose Management Energy Gateway Heat Metering Hospital Admission Machine Intermediate Flight Controller Powered Patient Beds Vital Signs Monitors Mobile Smart Watch Wristband Smart Home Home Control Panel Small and Medium Appliances Toys and Board Games

Development Board

1. FRDM-KW41Z: Freedom Development Kit for Kinetis® KW41Z/31Z/21Z MCUs

2. USB-KW41Z: Bluetooth Low Energy/IEEE® 802.15.4 Packet Sniffer/USB Dongle

3. KW41Z Power Amplifier Reference Design

Core Type

Arm Cortex-M0+

CPU Clock Speed

48 MHz

CPU Architecture

CPU Features

Bluetooth Version

4.2

Operating Frequency [Max] (MHz)

48 MHz

Flash (kB)

512 KB

Cache

SRAM (kB)

128 KB

EEPROM (kB)

Debugging

Upgrade Type

Manual

Crystal

64 MHz

on chip (PLL)

64 MHz

crystal (optional)

32.768 kHz

on-chip RC

32.768 kHz

External clock

32.768 kHz

Timers [Number, bits]

Real-Time Clock

Watchdog timer

GPIO

Pins

Pitch

Channels

ADC [Number, bits]

16-bit

True Random Number Generator

Analog comp

low-power comp

Temperature sensor

NFC Tag

SPI

DAC [Number, bits]

12-bit

UART

SSI

PWM [Number, bits]

I2C

支持

TWI

1 × TWI master and slave

QDEC

PDM

USB

1 × USB Full-speed device

SPI

1 × high-speed SPI master

Quad SPI

I2S

支持

Debug interface

Human Machine Interface

Programmable channels

Fixed channels

Channel groups

Supply Voltage [Min to Max] (V)

1.71V to 3.6V

On-chip VBUS

Regulated supply for external components

Power fail

Crypto Accelerator

Public Key Hardware Accelerator

True Random Number Generator (TRNG)

Accelerator

AES-128 Accelerator (AESA)

Security

AES engine

Current

Typical Rx/Tx Current (DC/DC Enabled): 6.8/6.1 mA

Sensor Controller

Standby

Transceiver Compatible

Receiver Sensitivity

-95 dBm (Typical Receiver Sensitivity (Bluetooth Low Energy)

Output Power

+3.5 dBm (Programmable Transmitter Output Power)

Frequency Regulation

Protocols

Bluetooth Low Energy/2.4 GHz

Bluetooth 5 PHYs

bluetooth 5.1 support

Dimension

Package Type

DSP RAM

DSP Clock Speed

Voice Services

General

Datasheet:
MKW41Z512.pdf