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
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
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

-

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]

no

Real-Time Clock

no

Watchdog timer

no

GPIO

__

Pins

__

Pitch

__

Channels

__

ADC [Number, bits]

16-bit

True Random Number Generator

__

Analog comp

no

low-power comp

no

Temperature sensor

no

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

no

On-chip VBUS

no

Regulated supply for external components

-

Power fail

no

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

__

DSP Clock Speed

__

Voice Services

__

General

__