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As of 2025-07-24

TWELITE DIP Wireless Microcontroller Datasheet

v1.1.1

    TWELITE DIP BLUE (Certification Model: TWE-001 Lite) / TWELITE DIP RED (Certification Model: TWELITE RED) are TWELITE modules in an easy-to-handle DIP format. They feature an ultra-low power and high-performance microcontroller, flash memory, and a high-performance IEEE802.15.4-compliant wireless transceiver.

    By connecting power and sensors and storing programs in flash memory or EEPROM, the module can be operated.

    Supports SPI, I2C, and UART, allowing connection to various sensors and microcontrollers.

    Certified for use in Japan, making it ready for immediate productization.

    Features

    • Compliant with the global standard IEEE802.15.4
    • Supports proprietary protocol stack “TWELITE NET”
    • 28-pin (600mil) DIP IC form factor with 2.54mm pitch
    • PCB design maximizes chip performance enabling stable long-range communication
    • Equipped with 32KB RAM and 160KB/512KB flash memory, capable of running high-performance communication applications
    • Ultra-low standby current of 0.1μA (RAMOFF sleep mode) extends battery life
    • Rich I/O including 4 or 6 AD converters, 1 comparator, and 20 general-purpose I/Os allow direct connection to sensors
    • Built-in flash memory allows firmware updates
    • Firmware can be developed using free GNU and Eclipse-based environments
    • Robust 128-bit AES encryption ensures security
    • Certified under Japan’s ARIB STD-T66, no license or application required for domestic use
    • RoHS compliant, meets new environmental standards

    Specifications

    Product Model Numbers

    TWELITE DIP BLUE and TWELITE DIP RED are available in the variations shown in the table below. Please select the most appropriate one for your application.

    Since sales codes may change from time to time, please refer to our website for the latest information.

    Common NameSales CodeAntennaRemarks
    TWELITE DIP BLUETWE-L-DI-WStick Antenna TypePin header mounted
    TWE-L-DP-WPin header not mounted
    TWE-L-DI-P2D Stick Antenna TypePin header mounted
    TWE-L-DP-PPin header not mounted
    TWE-L-DI-UCoaxial Connector TypePin header mounted, antenna not included
    TWE-L-DP-UPin header not mounted, antenna not included
    TWELITE DIP REDMW-R-DI-WStick Antenna TypePin header mounted
    MW-R-DI-WPin header not mounted
    MW-R-DI-UCoaxial Connector TypePin header mounted, antenna not included
    MW-R-DI-UPin header not mounted, antenna not included

    Wireless Section

    TWELITE DIP BLUETWELITE DIP REDRemarks
    Communication Method2.4GHz
    IEEE 802.15.4 compliant    		2.4GHz
    IEEE 802.15.4 compliant
    Protocol StackTWELITE NET and
    IEEE 802.15.4 MAC    		TWELITE NET and
    IEEE 802.15.4 MAC
    Data RateUp to 250kbpsUp to 250kbps
    ModulationO-QPSK, DSSSO-QPSK, DSSS
    Number of Channels1616May differ by country
    Transmit Power2.5dBm9.19dBm25℃, 3V
    Receiver Sensitivity-95dBm-96dBm25℃, 3V, typ
    Transmit Current15.3mA23.3mA25℃, 3V, typ, max output
    -14.0mAAt 3dBm output
    Receive Current17.0mA14.7mA25℃, 3V, typ

    Microcontroller Section

    • 32-bit RISC processor
    • Variable clock for optimized power consumption
    • RAM: 32kBytes
    • EEPROM: 4kBytes
    • Flash memory: TWELITE DIP BLUE 160kBytes / TWELITE DIP RED 512kBytes
    • Watchdog timer, brown-out detection
    • Fine-grained power control for each block (digital/analog/RAM/wireless)
    • Built-in AES 128bit encryption circuit, 16bit random number generator

    Interfaces

    QtyRemarks
    ADC4/610bit. TWELITE BLUE: 4 ports, TWELITE RED: 6 ports
    PWM4
    Timer/PWM15 modes including PWM, Δ∑. 16MHz, 16bit precision
    Pulse Counter2Can operate in sleep mode. Up to 100kHz, 16bit
    UART216550A compatible
    SPI
    Master/Slave    		13 chip select, up to 16MHz
    Comparator1
    2-wire Serial
    Master/Slave
    (I2C, SMBUS compatible)    		1Up to 100kHz or 400kHz, 7/10bit address mode
    General-purpose Digital20Shared with other interfaces
    • Many are shared pins and may not be available depending on the combination used.

    Antenna

    TWE-*-W0 comes with a stick antenna, W7 comes with a question-mark type antenna.

    There is also a board antenna that can be mounted on the PCB. If you wish to use it, we will provide drawings, so please contact us via the inquiry form on our website.

    For TWE-*-U external antenna versions, please refer to our website.

    If you wish to use antennas other than the supported types with TWELITE, separate radio certification is required. Please contact us.

    Certifications

    TWELITE DIP BLUETWELITE DIP RED
    Certification ModelTWE-001 LiteTWELITE RED
    Technical Conformity Certification Number007-AB0031007-AF0062
    FCC ID2AINN-L1-
    IC ID21544-L1-
    RemarksRoHS compliantRoHS compliant

    ※1. When using TWELITE overseas, there may be various restrictions such as permitted antennas. Please consult us in the early stage of development.

    ※2. Depending on the country, it may be necessary to display FCC ID, IC ID, etc. on TWELITE or the product. If you think this applies, please contact us.

    Notes on Export

    • The built-in AES 128bit encryption circuit in TWELITE is subject to export control judgment. When exporting, we will issue an export control certificate, so please contact us.
    • In some countries, customs clearance may not be possible unless TWELITE has obtained radio certification in the exporting country. Please inquire about regulations for each country.

    Product Labeling

    The product bears product logos, certification numbers, etc., but these may change without notice.

    Block Diagram

    Block Diagram of TWELITE DIP Series

    Dimensions

    Outline Drawing of TWE-L-DI-W
    Sales CodeDimensionsWeightRemarks
    TWE-L-DI-W/TWE-L-DP-W35.7mm x 17.7mm x 3.5mm2.2gExcluding antenna, connector, and terminals
    TWE-L-DI-U/TWE-L-DP-U35.7mm x 17.7mm x 3.5mm2.2g
    TWE-L-DI-P/TWE-L-DP-P47.5mm x 17.7mm x 3.5mm2.7g
    MW-R-DI-W/ MW-R -DP-W35.7mm x 17.7mm x 3.5mm2.2g
    MW-R-DI-U/ MW-R-DP-U35.7mm x 17.7mm x 3.5mm2.2g

    DXF data for TWE-L-DI-W outline is available for download on our website.

    Pin Assignment

    Pin Number

    Pin Number

    Pin Mapping

    #(*1)IO Name (*2)Function Assignment (*3)Alternative Assignment (*4)Extremely Simple! Standard App Function Name (*5)
    1GNDGND
    2DIO14SIF_CLKTXD1TXD0SPISEL1SCL
    3DIO7RXD0PWM3RX
    4DIO5RTS0PWM1PC1PWM1
    5DIO18SPIMOSIDO1
    6DO0SPICLKPWM2(*6)PWM2
    7DO1SPIMISOPWM3(*6)PWM3
    8DIO19SPISEL0DO2
    9DIO4CTS0TIM0OUTPC0DO3
    10DIO6TXD0PWM2TX
    11DIO8TIM0CK_GTPC1PWM4PWM4
    12DIO9TIM0CAP32KTALINRXD1DO4
    13DIO10TIM0OUT32KTALOUTM1
    14GNDGND
    15DIO12PWM2CTS0DI1
    16DIO13PWM3RTS0DI2
    17DIO11PWM1TXD1DI3
    18DIO16COMP1PSIF_CLKDI4
    19DIO15SIF_DRXD1RXD0SPISEL2SDA
    20DIO17COMP1MPWM4SIF_DBPS
    21RESETNRESETNRST
    22ADC1AI1
    23DIO0SPISEL1ADC3AI2
    24ADC2VREFAI3
    25DIO1SPISEL2ADC4PC0AI4
    26DIO2ADC5(*7)TIM0CK_GTM2
    27DIO3ADC6(*7)TIM0CAPM3
    28VCCVCCVCC

    *1. Pin number. Different from TWELITE (SMD version) in numbering and assignment. Use IO Name to identify pins.

    *2. IO Name is the pin’s defined name, used in semiconductor datasheets and TWELITE app development. This is also the default naming used in our technical support.

    *3. Each pin can be used for general input/output or analog input, but can also be initialized via API to assign alternative functions. This column lists representative assignments.

    *4. Functions listed here are available when the pin is initialized via API for alternate use.

    *5. Function names specific to the “Extremely Simple! Standard App” (App_Twelite). These may resemble IO names but are distinct.

    *6. PWM2 and PWM3 can be reassigned from DIO6,7 or DIO12,13 to DO0,1.

    *7. ADC5 and ADC6 are available only on TWELITE RED.

    Function Description

    Signal NameFunction
    PCPulse Counter
    SPICLKSPI Master Clock
    SPISELSPI Select Output
    SPIMISOSPI Master Input
    SPIMOSISPI Master Output
    TIM0CK_GTTimer Clock, Gate Input
    TIM0CAPTimer Capture Input
    TIM0OUTTimer PWM Output
    32KTALINCrystal Input
    32KTALOUTCrystal Output
    VREFReference Voltage
    COMP1MComparator + Input
    COMP1PComparator - Input
    SIF_D2-wire Serial Data
    SIF_CLK2-wire Serial Clock
    RXDUART RX
    TXDUART TX
    RTSUART RTS
    CTSUART CTS
    PWMPulse Width Modulation Output

    Handling of Special Pins

    DO0 (Function Name: SPICLK)

    This pin is used as an output pin. Applying voltage externally (even with some output impedance) has been reported to prevent the TWE module from entering program mode.
    When connecting LEDs or transistors, the pin may be in an intermediate state at startup or when waking from sleep, causing abnormal operation. It is recommended to always use an external circuit that pulls up to Vcc.

    DO1 (Function Name: SPIMISO)

    This pin is often used as an output pin, but at module power-on or reset it behaves as an input. If a low voltage is detected at that time, the module starts in program mode. Please pay attention to the voltage at startup on this pin.

    DIO0 (Function Name: ADC3), DIO1 (Function Name: ADC4)

    These pins are shared with analog input. In firmware, internal pull-up must be disabled when reading AD values .

    ADC2

    ADC2 can be used as an input for reference voltage. Software implementation is required to use this. Note, there is no pin that outputs the reference voltage.

    GND

    It is recommended to connect both pins 1 and 14 to GND, but it is also possible to operate with one unconnected. No significant change in wireless performance has been observed even if either is left unconnected.

    Absolute Maximum Ratings

    MinMax
    Power Supply (VCC)-0.33.6V
    Analog IO (VREF/ADC)-0.3VCC+0.3V
    Digital IO-0.3VCC+0.3V

    Characteristics

    SymbolConditionmintypmax
    Supply VoltageVCC2.03.03.6V
    Startup VoltageVboot2.05V
    Operating TemperatureTOPRNo condensationTWELITE DIP BLUE-4025105(*1)
    90(*2)    		℃
    TWELITE DIP RED-302590
    Operating HumidityHOPRNo condensation85%RH
    • Values based on semiconductor datasheet.
      *1 Maximum operating temperature for TWE-L-WX/W0/W7
      *2 Maximum operating temperature for TWE-L-U

    DC Characteristics

    SymbolConditionmintypmax
    Current ConsumptionICCSleep
    (RAMOFF no timer)    		TWELITE DIP BLUE0.1uA
    TWELITE DIP RED0.1uA
    Sleep
    (with timer)    		TWELITE DIP BLUE1.5uA
    TWELITE DIP RED1.5uA
    Tx (CPU doze)TWELITE DIP BLUE15.3mA
    TWELITE DIP RED23.3uA
    TWELITE DIP RED
    (at 3dBm output)    		14.0uA
    Rx (CPU doze)TWELITE DIP BLUE17.0mA
    TWELITE DIP RED14.7mA
    Transmit PowerPoutTWELITE DIP BLUE+0.52.5dBm
    TWELITE DIP RED9.14dBm
    Receiver SensitivityTWELITE DIP BLUE-95dBm
    TWELITE DIP RED-96dBm
    • Values based on semiconductor datasheet.

    I/O Characteristics

    SymbolConditionmintypmax
    DIO Internal Pull-Up405060kΩ
    DIO High-Level InputVIHVCCx0.7VCCV
    DIO Low-Level InputVIL-0.3VCCx0.27V
    DIO Input Hysteresis200310400mV
    DIO High-Level OutputVOHTWELITE DIP BLUEVCCx0.8VCCV
    TWELITE DIP REDVCC-0.4
    DIO Low-Level OutputVOL00.4V
    DIO Drive/Sink CurrentIOLVCC 2.7～3.6V4mA
    VCC 2.2～2.7V3mA
    VCC 2.0～2.2V2.5mA
    • Values based on semiconductor datasheet.

    ADC Characteristics

    SymbolConditionmintypmax
    Reference VoltageVREF1.1981.2351.260V
    ADC Resolution10Bits
    ADC Integral Non-Linearity±1.6, ±1.8LSB
    ADC Differential Non-Linearity-0.50.5LSB
    ADC Offset Error0～VREF-10mV
    0～2VREF-20
    ADC Gain ErrorTWELITE DIP BLUE
    0～VREF    		+10mV
    TWELITE DIP BLUE
    0～2VREF    		+20
    TWELITE DIP RED
    0～VREF    		-10
    TWELITE DIP RED
    0～2VREF    		-20
    ADC Clock0.25,0.5, 1.0MHz
    ADC Input Range0.04VREF2xVREFV
    • Values based on semiconductor datasheet.

    Precautions for Use

    Storage

    Store in a cool, dry place. Use the product within six months of delivery.

    General Notes

    Please always evaluate and verify the product in your actual usage environment.

    For applications requiring high reliability or involving human life, please consult with your distributor in advance.

    Revision History

    VersionDateDetails of Revision
    1.1.12024/03/04Corrected notes in the pin assignment table
    1.1.02024/02/27Migrated to new site
    1.0.22018/11/5Added explanation to Table 6
    1.0.12018/3/13Corrected errors in the pin assignment table
    1.0.02018/2/6Initial release