Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    MRF24J40MA Search Results

    SF Impression Pixel

    MRF24J40MA Price and Stock

    Microchip Technology Inc MRF24J40MA-I-RM

    RF TXRX MOD 802.15.4 TH SMD
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MRF24J40MA-I-RM Tray 4,043 1
    • 1 $11.67
    • 10 $11.67
    • 100 $11.67
    • 1000 $11.67
    • 10000 $11.67
    		Buy Now

    Microchip Technology Inc MRF24J40MAT-I-RM

    RF TXRX MOD 802.15.4 TRC ANT SMD
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MRF24J40MAT-I-RM Cut Tape 1,594 1
    • 1 $11.67
    • 10 $11.67
    • 100 $11.67
    • 1000 $11.67
    • 10000 $11.67
    		Buy Now
    MRF24J40MAT-I-RM Digi-Reel 1,594 1
    • 1 $11.67
    • 10 $11.67
    • 100 $11.67
    • 1000 $11.67
    • 10000 $11.67
    		Buy Now
    MRF24J40MAT-I-RM Reel 800 800
    • 1 -
    • 10 -
    • 100 -
    • 1000 $7.77005
    • 10000 $7.77005
    		Buy Now

    Microchip Technology Inc MRF24J40MAT-I/RM

    Zigbee Modules - 802.15.4 2.4GHz IEEE 802.15.4 Transceiver Module
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Mouser Electronics MRF24J40MAT-I/RM 5,796
    • 1 $9.65
    • 10 $9.64
    • 100 $7.78
    • 1000 $7.77
    • 10000 $7.77
    		Buy Now
    Newark MRF24J40MAT-I/RM Cut Tape 3,740 1
    • 1 $12.14
    • 10 $11.39
    • 100 $8.08
    • 1000 $8.08
    • 10000 $8.08
    		Buy Now
    MRF24J40MAT-I/RM Reel 800
    • 1 -
    • 10 -
    • 100 $7.77
    • 1000 $7.77
    • 10000 $7.77
    		Buy Now
    RS MRF24J40MAT-I/RM Bulk 20 Weeks 800
    • 1 -
    • 10 -
    • 100 -
    • 1000 $11.2
    • 10000 $11.2
    		Get Quote
    Microchip Technology Inc MRF24J40MAT-I/RM Reel 55 8 Weeks
    • 1 $11.67
    • 10 $11.67
    • 100 $7.77
    • 1000 $7.77
    • 10000 $7.77
    		Buy Now
    NAC MRF24J40MAT-I/RM 800
    • 1 $9.72
    • 10 $9.72
    • 100 $8.81
    • 1000 $8.06
    • 10000 $8.06
    		Buy Now
    Richardson RFPD MRF24J40MAT-I/RM 800
    • 1 -
    • 10 -
    • 100 -
    • 1000 $8.47
    • 10000 $8.47
    		Buy Now
    Avnet Silica MRF24J40MAT-I/RM 800 10 Weeks 800
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    EBV Elektronik MRF24J40MAT-I/RM 9 Weeks 800
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Master Electronics MRF24J40MAT-I/RM 498
    • 1 -
    • 10 -
    • 100 $7.58
    • 1000 $7.35
    • 10000 $7.14
    		Buy Now

    Microchip Technology Inc MRF24J40MA-I/RM

    Zigbee Modules - 802.15.4 2.4GHz IEEE 802.15.4 Transceiver Module
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Mouser Electronics MRF24J40MA-I/RM 4,111
    • 1 $10.19
    • 10 $9.98
    • 100 $7.78
    • 1000 $7.55
    • 10000 $7.55
    		Buy Now
    Newark MRF24J40MA-I/RM Bulk 16,761 1
    • 1 $10.56
    • 10 $10.28
    • 100 $8.08
    • 1000 $8.08
    • 10000 $8.08
    		Buy Now
    RS MRF24J40MA-I/RM Bulk 98 60 Weeks 1
    • 1 $11.79
    • 10 $10.61
    • 100 $10.02
    • 1000 $10.02
    • 10000 $10.02
    		Buy Now
    Microchip Technology Inc MRF24J40MA-I/RM Tray 1,870 8 Weeks
    • 1 $11.67
    • 10 $11.67
    • 100 $7.77
    • 1000 $7.77
    • 10000 $7.77
    		Buy Now
    Onlinecomponents.com MRF24J40MA-I/RM 1,268
    • 1 -
    • 10 $10.77
    • 100 $7.59
    • 1000 $7.26
    • 10000 $7.15
    		Buy Now
    TME MRF24J40MA-I/RM 10 1
    • 1 $12
    • 10 $11.1
    • 100 $10.3
    • 1000 $8.08
    • 10000 $8.08
    		Buy Now
    NAC MRF24J40MA-I/RM Tray 1,728 1
    • 1 $9.72
    • 10 $9.72
    • 100 $8.81
    • 1000 $8.06
    • 10000 $8.06
    		Buy Now
    Richardson RFPD MRF24J40MA-I/RM 108
    • 1 -
    • 10 -
    • 100 -
    • 1000 $8.47
    • 10000 $8.47
    		Buy Now
    Avnet Silica MRF24J40MA-I/RM 10 Weeks 54
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    EBV Elektronik MRF24J40MA-I/RM 9 Weeks 54
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Master Electronics MRF24J40MA-I/RM 1,268
    • 1 -
    • 10 $10.77
    • 100 $7.59
    • 1000 $7.26
    • 10000 $7.15
    		Buy Now
    Win Source Electronics MRF24J40MA-I/RM 677
    • 1 -
    • 10 $10.435
    • 100 $8.479
    • 1000 $8.479
    • 10000 $8.479
    		Buy Now

    Microchip Technology Inc MRF24J40MA

    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Bristol Electronics MRF24J40MA 4 1
    • 1 $42
    • 10 $42
    • 100 $42
    • 1000 $42
    • 10000 $42
    		Buy Now
    MRF24J40MA 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Quest Components MRF24J40MA 4
    • 1 $45.5
    • 10 $45.5
    • 100 $45.5
    • 1000 $45.5
    • 10000 $45.5
    		Buy Now
    NAC MRF24J40MA 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Find more MRF24J40MA price and stock on Findchips.com

    MRF24J40MA Datasheets (2)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    MRF24J40MA-I/RM Microchip Technology RF Transceivers, RF/IF and RFID, MODULE RF TXRX PICTAIL PLUS Original PDF
    MRF24J40MAT-I/RM Microchip Technology RF Transceivers, RF/IF and RFID, IC TXRX RF IEEE 2.4GHZ MODULE Original PDF

    MRF24J40MA Datasheets Context Search

    Catalog Datasheet MFG & Type Document Tags PDF

    mrf24j40ma examples

    Abstract: DS22123 DS51721 DS39776 SPI mrf24j40ma 25AA02E48 MRF24J40MA DS39776 MRF24J40MA DS51867 SPC20481
    Text: MRF24J40MA/MB PICtail /PICtail Plus Daughter Board User’s Guide  2009 Microchip Technology Inc. DS51867A Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet.


    Original     		MRF24J40MA/MB DS51867A DS51867A-page mrf24j40ma examples DS22123 DS51721 DS39776 SPI mrf24j40ma 25AA02E48 MRF24J40MA DS39776 MRF24J40MA DS51867 SPC20481 PDF

    MRF24J40MA

    Abstract: rf transceiver module MRF24J40MA PROTOCOL ZigBee mrf24j40ma 2.4GHz zigbee transceiver
    Text: i AC164134 - MRF24J40MA PICTail Plus 2.4GHz RF Card. The MRF24J40MA PICtail Plus 2.4GHz Radio Frequency Card is built with the NEW agency-certified MRF24J40MA IEEE 802.15.4 RF transceiver module. The module is attached to a PICTail Plus carrier board allowing the RF Board to be used with an Explorer 16


    Original     		AC164134 MRF24J40MA rf transceiver module MRF24J40MA PROTOCOL ZigBee mrf24j40ma 2.4GHz zigbee transceiver PDF

    7693a-24j40ma

    Abstract: mrf24j40ma DS39776 mrf24j40ma examples OA3MRF24J40MA 7693A MRF24J40/ML SPI mrf24j40ma GRM1555C1H200JZ01D thermistor SCK 082
    Text: MRF24J40MA Data Sheet 2.4 GHz IEEE Std. 802.15.4 RF Transceiver Module 2008 Microchip Technology Inc. Advance Information DS70329A Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet.


    Original     		MRF24J40MA DS70329A DS70329A-page 7693a-24j40ma mrf24j40ma DS39776 mrf24j40ma examples OA3MRF24J40MA 7693A MRF24J40/ML SPI mrf24j40ma GRM1555C1H200JZ01D thermistor SCK 082 PDF

    SPI mrf24j40ma

    Abstract: mrf24j40ma mrf24j40ma examples ABM8-156-20.0000MHZ-T 7693a-24j40ma DS39776 ZigBee mrf24j40ma C code for 2.4 GHZ rf transmitter using PIC OA3MRF24J40MA china tv schematic diagram
    Text: MRF24J40MA Data Sheet 2.4 GHz IEEE Std. 802.15.4 RF Transceiver Module 2008 Microchip Technology Inc. DS70329B Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet.


    Original     		MRF24J40MA DS70329B DS70329B-page SPI mrf24j40ma mrf24j40ma mrf24j40ma examples ABM8-156-20.0000MHZ-T 7693a-24j40ma DS39776 ZigBee mrf24j40ma C code for 2.4 GHZ rf transmitter using PIC OA3MRF24J40MA china tv schematic diagram PDF

    Untitled

    Abstract: No abstract text available
    Text: MRF24J40MA Data Sheet 2.4 GHz IEEE Std. 802.15.4 RF Transceiver Module 2008 Microchip Technology Inc. DS70329B Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet.


    Original     		MRF24J40MA DS70329B DS70329B-page PDF

    SPI mrf24j40ma

    Abstract: PCB Antenna matching miwi AC163028 pcb antenna AES-128 MRF24J40MA pic microcontroller transceiver module
    Text: Part Number: AC163028 Summary: Features: MRF24J40MA is a certifed 2.4 GHz IEEE 802.15.4 radio transceiver module. The MRF24J40MA has an integrated PCB antenna, matching circuitry, and supports the ZigBee , MiWi™ and MiWi P2P protocols. The MRF24J40MA Module connects to hundreds of


    Original     		AC163028 MRF24J40MA AES-128) SPI mrf24j40ma PCB Antenna matching miwi AC163028 pcb antenna AES-128 pic microcontroller transceiver module PDF

    mrf24j40ma

    Abstract: SPI mrf24j40ma DS39776 IC7693A-24J40MA MRF24J40 DS39776 ZigBee mrf24j40ma 24j40ma GRM1555C1H180JZ01D MRF24J40MA DS39776 MRJ24J40MA
    Text: MRF24J40MA 数据手册 2.4 GHz IEEE 标准 802.15.4 RF 收发器模块  2008 Microchip Technology Inc. DS70329B_CN 请注意以下有关 Microchip 器件代码保护功能的要点： • Microchip 的产品均达到 Microchip 数据手册中所述的技术指标。


    Original     		MRF24J40MA mrf24j40ma SPI mrf24j40ma DS39776 IC7693A-24J40MA MRF24J40 DS39776 ZigBee mrf24j40ma 24j40ma GRM1555C1H180JZ01D MRF24J40MA DS39776 MRJ24J40MA PDF

    PIN DIAGRAM OF ZIGBEE

    Abstract: ZIGBEE INTERNAL DIAGRAM MFR24J40 BLOCK DIAGRAM OF ZIGBEE Zigbee-pro ZigBee an1232 ZIG BEE zigbee microchip home automation using zigbee circuit diagram of Zigbee
    Text: AN1255 Microchip ZigBee PRO Feature Set Protocol Stack Author: Derrick P. Lattibeaudiere Microchip Technology Inc. INTRODUCTION The ZigBee® protocol is a wireless network protocol developed specifically for low data rate sensor and control networks. Wireless applications that may benefit from ZigBee include, but are not limited to, industrial


    Original     		AN1255 ZigBee-2007. ZigBee-2007 DS01255A-page PIN DIAGRAM OF ZIGBEE ZIGBEE INTERNAL DIAGRAM MFR24J40 BLOCK DIAGRAM OF ZIGBEE Zigbee-pro ZigBee an1232 ZIG BEE zigbee microchip home automation using zigbee circuit diagram of Zigbee PDF

    pc controlled robot mini project

    Abstract: pc controlled robot using zigbee PWM generating code dsPIC30f2011 PID control PIC18 mechanical engineering projects free PID control dsPIC servo motor position control 80487 dsPIC33E embedded system mini projects free autonomous robots
    Text: Academic Newsletter Second Quarter 2010 Q2 2010 IN THIS ISSUE. Student-built Robot Powers Through Design Competition . 2 RoboChallenge in Bucharest, Romania . 4 A Complete Multimedia Development System: The 32-bit Multimedia Board


    Original     		32-bit PIC18 DS01301C pc controlled robot mini project pc controlled robot using zigbee PWM generating code dsPIC30f2011 PID control PIC18 mechanical engineering projects free PID control dsPIC servo motor position control 80487 dsPIC33E embedded system mini projects free autonomous robots PDF

    power factor calculation by pic microcontroller timer

    Abstract: PIC microcontroller 3 phase energy meter AC voltmeter pic PIC18F46K22 zigbee to PIC microcontroller interfacing circuit SPI mrf24j40ma gas sensor using PIC lcd and pic16f84a tutorial ZG2100 zigbee data acquisition using pic microcontrollers
    Text: Utility Metering Solutions Fall 2010 Complete Utility Metering Solutions www.microchip.com/meter Design Innovation in Energy, Gas, Water and Heat Meters The metering market is facing many challenges in today’s rapidly evolving world. Government regulations, competitive


    Original     		DS01008F DS01008F* power factor calculation by pic microcontroller timer PIC microcontroller 3 phase energy meter AC voltmeter pic PIC18F46K22 zigbee to PIC microcontroller interfacing circuit SPI mrf24j40ma gas sensor using PIC lcd and pic16f84a tutorial ZG2100 zigbee data acquisition using pic microcontrollers PDF

    PIC24F64GB002

    Abstract: TRULY tft pic24f oled display sample code AC164126 ds39754g DM330013 PIC24 slave parallel port examples triaxial accelerometer with zigbee microchip pic32 uart dma example PIC24F
    Text: 16-bit Microcontrollers Summer 2010 PIC24 Microcontroller Family Performance, Low Power, Advanced Peripherals www.microchip.com/16bit The top challenges facing today’s embedded system designer are attaining product specification and performance goals, achieving on-time market launch and meeting cost goals.


    Original     		16-bit PIC24 com/16bit PIC24F, PIC24H, PIC24F64GB002 TRULY tft pic24f oled display sample code AC164126 ds39754g DM330013 PIC24 slave parallel port examples triaxial accelerometer with zigbee microchip pic32 uart dma example PIC24F PDF

    RS-485 to usart pic interface circuit

    Abstract: zg2100mc ZG2100 ENC624J600 MCP2200 microchip pic24 rs485 uart master example zigbee based vehicle access control system for various industrial purpose microchip pic32 cdc dma example DM320004 PIC32MX5
    Text: Connectivity Solutions Connectivity Solutions for Embedded Design: USB, Ethernet, Wi-Fi , ZigBee®, MiWi , CAN, LIN, IrDA® and RS-485 Protocols www.microchip.com/connectivity Scalable and Integrated Solutions for Full-Speed USB and USB On-the-Go Consumers’ desire for more engaging, easy-to-use and


    Original     		RS-485 32-bit 20-pin 100-pin DS01181F DS01181F* RS-485 to usart pic interface circuit zg2100mc ZG2100 ENC624J600 MCP2200 microchip pic24 rs485 uart master example zigbee based vehicle access control system for various industrial purpose microchip pic32 cdc dma example DM320004 PIC32MX5 PDF

    pic16f1823 example codes eusart

    Abstract: IEC60929 annex E MRF24WB0MA MRF24WB0MA PIC 18 PIC16F1827 example codes C PIC16F1823 c example eusart MRF24WB0MB PIC18F23K22 IEC-60929 MRF24WB0
    Text: LED Lighting Solutions Summer 2010 Adding Intelligence to Lighting Applications LED Lighting Design Guide www.microchip.com/lighting LED Lighting Solutions Table of Contents LED Lighting . 3 LED Applications . 3


    Original     		MCP1252 MCP1252DM-BKLT) MCP1650 MCP1650DM-LED2) DS01036F DS01036F* pic16f1823 example codes eusart IEC60929 annex E MRF24WB0MA MRF24WB0MA PIC 18 PIC16F1827 example codes C PIC16F1823 c example eusart MRF24WB0MB PIC18F23K22 IEC-60929 MRF24WB0 PDF

    Untitled

    Abstract: No abstract text available
    Text: MiWi Demo Kit User’s Guide  2012 Microchip Technology Inc. DS70687A Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. •


    Original     		DS70687A DS70687A-page PDF

    Untitled

    Abstract: No abstract text available
    Text: Alla MikroElektronikas utvecklingssystem utgör ovärdeliga verktyg för programmering och utveckling av mikroprocessor-baserade enheter. Noga utvalda komponenter och användning av maskiner av den senaste generationen för montering och testing av dessa är den bästa garantin för hög tillförlitlighet


    Original     		PIC32MX4 PDF

    Untitled

    Abstract: No abstract text available
    Text: All MikroElektronika´s development systems represent irreplaceable tools for programming and developing microcontroller-based devices. Carefully chosen components and the use of machines of the last generation for mounting and testing thereof are the best guarantee of


    Original     		BIG8051 PDF

    MPU-6050

    Abstract: No abstract text available
    Text: Motion Sensor Demo Board Quick Start Guide Motion Sensor Demo Board Quick Start Guide Contents Introduction: . 2 Box Contents:. 2


    Original     		PDF

    pic16f877a projects PIR SENSOR

    Abstract: Parallax Futaba Standard Servo PIC16F877A Microcontroller 6495 Photoresistor Light Sensor Photoresistor uv PIC with bluetooth diode LT 7229 pic16f877a interfacing xbee PIC16F877A lcd keypad interfacing PIC32 uart example rs232
    Text: Embedded Solutions Wireless Solutions Laird Technologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4, 5, 6 Antenova. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7


    Original     		RN1600 RS-232-to-USB OP6800 512K/512K, OP6810, pic16f877a projects PIR SENSOR Parallax Futaba Standard Servo PIC16F877A Microcontroller 6495 Photoresistor Light Sensor Photoresistor uv PIC with bluetooth diode LT 7229 pic16f877a interfacing xbee PIC16F877A lcd keypad interfacing PIC32 uart example rs232 PDF

    mrf49xa

    Abstract: RF Transceivers mrf24j40ma "RF Transceivers" AC164137-1 AC164137-2 zena
    Text: 1983-2012:QuarkCatalogTempNew 9/11/12 10:26 AM Page 1983 25 Wireless Development and Demo Kits/Accessories RoHS INTERCONNECT DM182015-1 AC164137-1 ENCLOSURES AC164134-2 POWER AC164137-2 TEST & MEASUREMENT MiWi Development Environment DM183023 MiWi™ Development Environment is Microchip’s proprietary wireless solution which helps customers develop wireless applications and reduce the time to market. The MiWi™ Development Environment MiWi™ DE package includes support for Microchip’s


    Original     		DM182015-1 AC164137-1 AC164134-2 AC164137-2 DM183023 H70046050 DM182015-1 DM183023 AC182015-1 AC164134-1 mrf49xa RF Transceivers mrf24j40ma "RF Transceivers" AC164137-1 AC164137-2 zena PDF

    Arduino Mega2560

    Abstract: 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l
    Text: ND3% BASE1 XXXX2108-0010-1-P 10 TSQ: 3001 CMS: CMS-USM TS host OP: NN COMP: 15-07-11 Hour: 13:07 TS:TS date TS time MCUS, MPUS, DSPS & DEVELOPMENT TOOLS Find Datasheets Online 8-BIT MCUS & DEVELOPMENT TOOLS 1 PSoC 3 DEVELOPMENT KITS ARDUINO MCU DEVLOPMENT PLATFORM


    Original     		CY8C38 CY8C29 incl795 12T9797 12T9804 12T9803 12T9800 12T9802 12T9801 12T9805 Arduino Mega2560 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l PDF

    MCP9808

    Abstract: MCP3903 mtd6505 MCP3910 mcp2210 mcp3911 MCP14E8 PIC18f4550 assembly programming PWM MCP16322 MCP4706
    Text: Analog and Interface Product Solutions Spring 2012 Analog and Interface Product Selector Guide  Thermal Management  Motor Drivers  Interface Peripherals  Power Management  Linear & Mixed-Signal  Safety & Security www.microchip.com/analog


    Original     		DS21060Z DS21060Z* MCP9808 MCP3903 mtd6505 MCP3910 mcp2210 mcp3911 MCP14E8 PIC18f4550 assembly programming PWM MCP16322 MCP4706 PDF

    examples pic32

    Abstract: pic32 spi dma AC323027 PIC32MX with MCP2515 controller
    Text: 32-bit Microcontrollers Fall 2012 PIC32 Microcontroller Families With USB, CAN and Ethernet www.microchip.com/pic32 Performance Leading PIC32 Microcontrollers Building on the heritage of Microchip Technology’s world-leading 8- and 16-bit PIC microcontrollers, the


    Original     		32-bit PIC32 com/pic32 16-bit DS39904M DS39904M* examples pic32 pic32 spi dma AC323027 PIC32MX with MCP2515 controller PDF

    Untitled

    Abstract: No abstract text available
    Text: Remote Control Demonstration Board Graphics, mTouch , USB and RF4CE Wireless in a Single Demo Overview Universal remote controls are becoming an ever-present device for controlling consumer electronics. RF based remote controls are becoming more prevalent for several


    Original     		DS30504A DS30504A* PDF

    AC163028

    Abstract: how to check ic on motherboard mrf24j40 SPI code example assembly mrf24j40ma examples SPI mrf24j40ma motherboard schematics DS39776 mrf24j40ma DS70329 PC MOTHERBOARD SERVICE MANUAL
    Text: PICDEM Z Demonstration Kit User’s Guide 2008 Microchip Technology Inc. DS51524C Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet.


    Original     		DS51524C DS51524C-page AC163028 how to check ic on motherboard mrf24j40 SPI code example assembly mrf24j40ma examples SPI mrf24j40ma motherboard schematics DS39776 mrf24j40ma DS70329 PC MOTHERBOARD SERVICE MANUAL PDF