KW31Z
恩智浦
0.00
概述
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 |
特性
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
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
特性
-
应用说明
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
开发板
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
内核
Arm Cortex-M0+
CPU时钟频率
48 MHz
CPU构造
__CPU特性
__蓝牙版本
4.2
频率
48 MHz
Flash (kB)
512 KB
缓存
-
SRAM (kB)
128 KB
EEPROM (kB)
__调试
__升级方式
Manual
晶振
64 MHz
PLL时钟
64 MHz
可选晶振
32.768 kHz
RC时钟
32.768 kHz
外部时钟
32.768 kHz
时钟 [数量, 位]
no
实时时钟
no
看门狗计数器
no
GPIO
__针脚
__针距
__通道
__ADC [数量, 位]
16-bit
真随机数发生机器
__模拟组件
no
低功耗组件
no
温度传感器
no
NFC标签
__SPI
__DAC [数量, 位]
12-bit
UART
__同步串行接口
__PWM [数量, 位]
__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
调试界面
-
人机界面
-
可编程通道
__固定通道
__通道组
__电压 [最小~最大] (V)
1.71V to 3.6V
no
VBUS
no
可调供电输出
-
电源失效
no
加密加速计
__公钥硬件加速器
True Random Number Generator (TRNG)
加速器
AES-128 Accelerator (AESA)
安全
AES engine
__
电流
Typical Rx/Tx Current (DC/DC Enabled): 6.8/6.1 mA
传感器控制器
__待机
__兼容标准
__接收器灵敏度
-95 dBm (Typical Receiver Sensitivity (Bluetooth Low Energy)
输出功率
+3.5 dBm (Programmable Transmitter Output Power)
射频规范
__协议
Bluetooth Low Energy/2.4 GHz
蓝牙5性能
-
蓝牙5.1支持
-
尺寸
__封装型式
-
DSP RAM
__DSP时钟速度
__DSP时钟速度
__音频控制
__概要
__- 数据手册: