KW31Z: Kinetis KW31Z-2.4 GHz Bluetooth Low Energy (BLE 4.2) Microcontroller based on ARM® Cortex®-M0+
The KW31Z is an ultra low-power, highly-integrated single-chip device that enables Bluetooth® low energy (BLE) v4.2 RF connectivity for portable, extremely low-power embedded systems. Applications include portable health care 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, BLE Link Layer hardware, hardware security and peripherals optimized to meet the requirements of the target applications.
Kinetis® W Series KW31Z MCUs Block Diagram
Kinetis W Series MCUs: Expanding the Possibilities of the IoT
特性
- Bluetooth Low Energy Radio Features
- 2.4 GHz Bluetooth Low Energy version 4.2 Compliant
- Typical Receiver Sensitivity (BLE) = -95 dBm
- Programmable Transmitter Output Power up to +3.5 dBm
- 2.4 GHz Bluetooth Low Energy version 4.2 Compliant
- Typical Receiver Sensitivity (BLE) = -95 dBm
- Programmable Transmitter Output Power up to +3.5 dBm
- Core and Memories
- Up to 48 MHz ARM® Cortex®-M0+ core
- Up to 512 KB Flash memory
- Up to 128 KB SRAM
- Excellent coexistence performance
- Integrated balun to reduce system cost and PCB baord area
- Up to 48 MHz ARM® Cortex®-M0+ core
- Up to 512 KB Flash memory
- Up to 128 KB SRAM
- Excellent coexistence performance
- Integrated balun to reduce system cost and PCB baord area
- Low Power Consumption and Operating Voltage Ranges
- Nine low-power modes to provide power optimization based on application requirements
- Typical Rx/Tx Current (DC/DC Enabled): 6.8/6.1 mA
- 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
- Nine low-power modes to provide power optimization based on application requirements
- Typical Rx/Tx Current (DC/DC Enabled): 6.8/6.1 mA
- 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 modules
- 16-bit Analog-to-Digital Converter (ADC)
- 12-bit Digital-to-Analog Converter (DAC)
- 6-bit High Speed Analog Comparator (CMP)
- 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)
- AES-128 Accelerator (AESA), True Random Number Generator (TRNG)
- Supported Software
- BLE Host Stack and Profiles
- BLE Mesh
- IPv6 6LoBLE
- Generic FSK Link Layer Software
- Kinetis® Software Development Kit (SDK)
- FreeRTOS kernel and a bare-metal non-preemptive task scheduler
- Support for Kinetis Design Studio (KDS) and IAR
- BLE Host Stack and Profiles
- BLE Mesh
- IPv6 6LoBLE
- Generic FSK Link Layer Software
- Kinetis® Software Development Kit (SDK)
- FreeRTOS kernel and a bare-metal non-preemptive task scheduler
- Support for Kinetis Design Studio (KDS) and IAR
Data Sheets (1)
Errata (1)
Reference Manuals (1)
Users Guides (3)
Fact Sheets (1)
Ordering Information
| Product | Status | Status | Budgetary Price excluding tax(US$) | Core Type | Operating Frequency (Max) (MHz) | On-chip SRAM (KB) | Total Flash (KByte) | USB | Integrated wireless radio | Package type | Ambient Operating Temperature (Min-Max) (°C) | Transmit Current (mA) | Receive Current (mA) | RX Sensitivity | Radio Protocol Supported |
|---|
| MKW31Z512VHT4 | Active | | 10K @ US$3.06 | ARM Cortex-M0+ | 48 | 128 | 512 | | | | -40 to 105 | | | | |
| MKW31Z256VHT4 | Active | | 10K @ US$2.20 | ARM Cortex-M0+ | 48 | 64 | 256 | | | | -40 to 105 | | | | |
Package Information
| Package Description | Outline Version | Packing | Product Status | Part Number | Chemical Content | RoHS / Pb FreeChina RoHS Lookup | MSL | PPT (°C) |
|---|
| LamQFN 48 7*7*0.98 P0.5 | 98ASA00694D | MPQ - 260 TRAYPOQ - 1300 BRICK | Active | MKW31Z256VHT4 | MKW31Z256VHT4.pdf |   | 3 | 260 |
| MPQ - 260 TRAYPOQ - 1300 BRICK | Active | MKW31Z512VHT4 | MKW31Z512VHT4.pdf | | 3 | 260 |
