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

    LPC2388 Search Results

    SF Impression Pixel

    LPC2388 Price and Stock

    NXP Semiconductors LPC2388FBD144K

    IC MCU 16/32B 512KB FLSH 144LQFP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LPC2388FBD144K Tray 369 1
    • 1 $23.71
    • 10 $19.023
    • 100 $23.71
    • 1000 $15.60446
    • 10000 $15.60446
    		Buy Now
    Avnet Americas LPC2388FBD144K Tray 13 Weeks 300
    • 1 -
    • 10 -
    • 100 -
    • 1000 $13.98178
    • 10000 $13.64076
    		Buy Now
    Mouser Electronics LPC2388FBD144K 391
    • 1 $23.71
    • 10 $19.03
    • 100 $15.81
    • 1000 $15.25
    • 10000 $15.25
    		Buy Now
    Newark LPC2388FBD144K Bulk 235 1
    • 1 $23.24
    • 10 $18.64
    • 100 $16.64
    • 1000 $15.66
    • 10000 $15.66
    		Buy Now
    Avnet Silica LPC2388FBD144K 15 Weeks 300
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Chip One Stop LPC2388FBD144K Tray 300
    • 1 $21.8
    • 10 $17.5
    • 100 $15.3
    • 1000 $13.7
    • 10000 $13.7
    		Buy Now
    EBV Elektronik LPC2388FBD144K 15 Weeks 300
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    New Advantage Corporation LPC2388FBD144K 2,880 1
    • 1 -
    • 10 -
    • 100 $20.34
    • 1000 $20.34
    • 10000 $18.99
    		Buy Now

    NXP Semiconductors LPC2388FBD144,551

    IC MCU 16/32B 512KB FLSH 144LQFP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LPC2388FBD144,551 Tray
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Newark LPC2388FBD144,551 Bulk 60
    • 1 -
    • 10 -
    • 100 $15.92
    • 1000 $15.46
    • 10000 $15.46
    		Buy Now

    NXP Semiconductors LPC2388FBD144

    IC MCU 32BIT 512KB FLASH 144LQFP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Win Source Electronics LPC2388FBD144 1,105
    • 1 -
    • 10 $25.218
    • 100 $22.609
    • 1000 $22.609
    • 10000 $22.609
    		Buy Now

    NXP Semiconductors LPC2388FBD144.551

    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Win Source Electronics LPC2388FBD144.551 1,000
    • 1 -
    • 10 $25.218
    • 100 $22.609
    • 1000 $22.609
    • 10000 $22.609
    		Buy Now

    LPC2388 Datasheets (11)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    LPC2388 NXP Semiconductors LPC23XX User manual Original PDF
    LPC2388 NXP Semiconductors Errata sheet LPC2378/88 Original PDF
    LPC2388 Philips Semiconductors Single-chip 16-bit/32-bit microcontroller, 512 kB flash with ISP/IAP, Ethernet, USB 2.0 device/host/OTG, CAN, and 10-bit ADC/DAC Original PDF
    LPC2388FBD144 NXP Semiconductors Errata sheet LPC2378/88 Original PDF
    LPC2388FBD144 NXP Semiconductors Single-chip 16-bit/32-bit micro; 512 kB flash with ISP/IAP, Ethernet, USB 2.0 device/host/OTG, CAN, and 10-bit ADC/DAC Original PDF
    LPC2388FBD144 Philips Semiconductors Single-chip 16-bit/32-bit microcontroller, 512 kB flash with ISP/IAP, Ethernet, USB 2.0 device/host/OTG, CAN, and 10-bit ADC/DAC Original PDF
    LPC2388FBD144,551 NXP Semiconductors LPC2388 - IC 32-BIT, FLASH, 72 MHz, RISC MICROCONTROLLER, PQFP144, 20 X 20 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT486-1, LQFP-144, Microcontroller Original PDF
    LPC2388FBD144,551 NXP Semiconductors Single-chip 16-bit/32-bit micro; 512 kB flash with ISP/IAP, Ethernet, USB 2.0 device/host/OTG, CAN, and 10-bit ADC/DAC, SOT486-1 (LQFP144), Tray Dry Pack, Bakeable, Single Original PDF
    LPC2388FBD144,551 NXP Semiconductors Embedded - Microcontrollers, Integrated Circuits (ICs), IC ARM7 MCU FLASH 512K 144LQFP Original PDF
    LPC2388FBD144CP325 NXP Semiconductors LPC2388FBD144/CP3257 - Single-chip 16-bit/32-bit micro; 512 kB flash with ISP/IAP, Ethernet, USB 2.0 device/host/OTG, CAN, and 10-bit ADC/DAC, SOT486-1 Package, Standard Markigg, Reel Dry Pack, SMD, 13" Original PDF
    LPC2388FBD144K NXP Semiconductors IC MCU 16/32B 512KB FLSH 144LQFP Original PDF

    LPC2388 Datasheets Context Search

    Catalog Datasheet MFG & Type Document Tags PDF

    LPC2388FBD144

    Abstract: "32-Bit Microcontroller" LPC2388 LQFP144 5 port ethernet switch
    Text: LPC2388 Single-chip 16-bit/32-bit micro; 512 kB flash with ISP/IAP, Ethernet, USB 2.0 device/host/OTG, CAN, and 10-bit ADC/DAC Rev. 2 — 13 July 2010 Product data sheet 1. General description The LPC2388 microcontroller is based on a 16-bit/32-bit ARM7TDMI-S CPU with


    Original     		LPC2388 16-bit/32-bit 10-bit LPC2388 128-bit 32-bit 16-bit LPC2388FBD144 "32-Bit Microcontroller" LQFP144 5 port ethernet switch PDF

    LPC2388

    Abstract: LPC2388FBD144 LQFP144
    Text: LPC2388 Single-chip 16-bit/32-bit micro; 512 kB flash with ISP/IAP, Ethernet, USB 2.0 device/host/OTG, CAN, and 10-bit ADC/DAC Rev. 01 — 19 December 2008 Product data sheet 1. General description The LPC2388 microcontroller is based on a 16-bit/32-bit ARM7TDMI-S CPU with


    Original     		LPC2388 16-bit/32-bit 10-bit LPC2388 128-bit 32-bit 16-bit LPC2388FBD144 LQFP144 PDF

    Untitled

    Abstract: No abstract text available
    Text: ES_LPC2378_88 Errata sheet LPC2378/88 Rev. 6.1 — 1 July 2012 Errata sheet Document information Info Content Keywords LPC2378FBD144; LPC2388FBD144, LPC2378, LPC2388 errata Abstract This errata sheet describes both the known functional problems and any deviations from the electrical specifications known at the release date of


    Original     		LPC2378 LPC2378/88 LPC2378FBD144; LPC2388FBD144, LPC2378, LPC2388 PDF

    LPC2300

    Abstract: LPC2368 UM10211 416SP LPC2364FBD100 LPC2378 example coding LPC2387 LPC2368 user manual lpc23xx scl1003
    Text: UM10211 LPC23XX User manual Rev. 03 — 25 August 2009 User manual Document information Info Content Keywords LPC2300, LPC2361, LPC2362, LPC2364, LPC2365, LPC2366, LPC2367, LPC2368, LPC2377, LPC2378, LPC2387, LPC2388, ARM, ARM7, 32-bit, USB, Ethernet, CAN, I2S, Microcontroller


    Original     		UM10211 LPC23XX LPC2300, LPC2361, LPC2362, LPC2364, LPC2365, LPC2366, LPC2367, LPC2368, LPC2300 LPC2368 UM10211 416SP LPC2364FBD100 LPC2378 example coding LPC2387 LPC2368 user manual scl1003 PDF

    intel 8008 cpu

    Abstract: No abstract text available
    Text: UM10211 LPC23XX User manual Rev. 4.1 — 5 September 2012 User manual Document information Info Content Keywords LPC2300, LPC2361, LPC2362, LPC2364, LPC2365, LPC2366, LPC2367, LPC2368, LPC2377, LPC2378, LPC2387, LPC2388, ARM, ARM7, 32-bit, USB, Ethernet, CAN, I2S, Microcontroller


    Original     		UM10211 LPC23XX LPC2300, LPC2361, LPC2362, LPC2364, LPC2365, LPC2366, LPC2367, LPC2368, intel 8008 cpu PDF

    Untitled

    Abstract: No abstract text available
    Text: LPC2388 Single-chip 16-bit/32-bit micro; 512 kB flash with ISP/IAP, Ethernet, USB 2.0 device/host/OTG, CAN, and 10-bit ADC/DAC Rev. 3 — 15 October 2013 Product data sheet 1. General description The LPC2388 microcontroller is based on a 16-bit/32-bit ARM7TDMI-S CPU with


    Original     		LPC2388 16-bit/32-bit 10-bit LPC2388 128-bit 32-bit 16-bit PDF

    U1D P026

    Abstract: C104 C144 LPC2388
    Text: LPC2388 Errata sheet LPC2388 Rev. 5 — 1 March 2011 Errata sheet Document information Info Content Keywords LPC2388 errata Abstract This errata sheet describes both the known functional problems and any deviations from the electrical specifications known at the release date of


    Original     		LPC2388 LPC2388 U1D P026 C104 C144 PDF

    LPC2388

    Abstract: C104 C144 LPC2468
    Text: INTEGRATED CIRCUITS ERRATA SHEET Date: Document Release: Device Affected: 2009 May 12 Version 1.1 LPC2388 This errata sheet describes both the functional problems and any deviations from the electrical specifications known at the release date of this document.


    Original     		LPC2388 LPC2388 LPC2388xxx C104 C144 LPC2468 PDF

    USBINT1

    Abstract: usb-b connector LPC2378 LPC2388 LPC2388FBD144 LQFP144 amba ahb master slave sram controller lcd c program using lpc2378
    Text: LPC2388 Single-chip 16-bit/32-bit microcontroller; 512 kB flash with ISP/IAP, Ethernet, USB 2.0 device/host/OTG, CAN, and 10-bit ADC/DAC Rev. 00.02 — 28 January 2008 Preliminary data sheet 1. General description The LPC2388 microcontroller is based on a 16-bit/32-bit ARM7TDMI-S CPU with


    Original     		LPC2388 16-bit/32-bit 10-bit LPC2388 128-bit 32-bit 16-bit USBINT1 usb-b connector LPC2378 LPC2388FBD144 LQFP144 amba ahb master slave sram controller lcd c program using lpc2378 PDF

    3 phase 2 speed soft start motor control diagram

    Abstract: spi 2007-36 ARM7TDMI-S external bus interface unit ARM7 datasheet JTAG(MINI)14 embedded datasheet ARM7 Digital Alarm Clock ARM7 instruction set digital calendar clock ic ARM7 pin configuration
    Text: LPC2388 Single-chip 16-bit/32-bit microcontroller; 512 kB flash with ISP/IAP, Ethernet, USB 2.0 device/host/OTG, CAN, and 10-bit ADC/DAC Rev. 00.01 — 23 October 2007 Preliminary data sheet 1. General description The LPC2388 microcontroller is based on a 16-bit/32-bit ARM7TDMI-S CPU with


    Original     		LPC2388 16-bit/32-bit 10-bit LPC2388 128-bit 32-bit 16-bit 3 phase 2 speed soft start motor control diagram spi 2007-36 ARM7TDMI-S external bus interface unit ARM7 datasheet JTAG(MINI)14 embedded datasheet ARM7 Digital Alarm Clock ARM7 instruction set digital calendar clock ic ARM7 pin configuration PDF

    LPC9221

    Abstract: embedded c code to interface lpc2148 with sensor P89V51RD2 microcontroller LPC2148 i2c with sensor LPC925 p89v51rd2 LPC700 LPC2148 p89v51rd2 development board lpc1754
    Text: April 2009 The choice for embedded technologies Our microcontroller offering combines the highest performance in Flash with the lowest power consumption in the smallest packages. A comprehensive portfolio of industryleading performers includes the latest 32-bit LPC3000, LPC2000, LPC1000, LH7A, LH7, and 8-bit LPC900, LPC700 and 80C51 families. We offer an easy migration path from


    Original     		32-bit LPC3000, LPC2000, LPC1000, LPC900, LPC700 80C51 LPC3000 LPC9221 embedded c code to interface lpc2148 with sensor P89V51RD2 microcontroller LPC2148 i2c with sensor LPC925 p89v51rd2 LPC2148 p89v51rd2 development board lpc1754 PDF

    LPC2148 i2c eeprom c code

    Abstract: lcd c program using lpc2378 LPC2468 embedded c code to interface lpc2148 with sensor LPC932A1 LPC922 LPC932A lpc921 lpc935 ac motor control LPC2378 instruction cache
    Text: August 2008 The choice for embedded technologies Our microcontroller offering combines the highest performance in Flash with the lowest power consumption in the smallest packages. A comprehensive portfolio of industryleading performers includes the latest 32-bit LPC3000, LPC2000, LPC1000, LH7A, LH7, and 8-bit LPC900, LPC700 and 80C51 families. We offer an easy migration path from


    Original     		32-bit LPC3000, LPC2000, LPC1000, LPC900, LPC700 80C51 LPC3000 LPC2148 i2c eeprom c code lcd c program using lpc2378 LPC2468 embedded c code to interface lpc2148 with sensor LPC932A1 LPC922 LPC932A lpc921 lpc935 ac motor control LPC2378 instruction cache PDF

    vic lpc2378

    Abstract: lpc23xx LPC2378 LPC2378 uart LPC2388 16C550 LQFP100 LQFP144 TFBGA100 isp iap
    Text: LPC23xx˖ ෎Ѣ ARM7TDMI-S ‫ݙ‬Ḍⱘ72MHzǃ32ԡ ᖂ᥻ࠊ఼㋏߫ ᏺ᳝ҹ໾㔥ǃUSB੠CAN໪䆒ⱘARM7 ᖂ᥻ࠊ఼ 䖭㉏ࡳ㛑ᔎ໻ǃ㒣⌢催ᬜⱘᖂ᥻ࠊ఼ϧЎ䖲᥹ᑨ⫼䆒䅵ˈᬃᣕ10/100ҹ໾㔥ǃܼ䗳 12 Mbps USB 2.0᥹ষ੠CAN 2.0B᥹ষDŽ‫ݙ‬㕂᳔໻512 KB ISP/IAP䮾ᄬǃ᳔໻98 KB SRAMǃϔϾ10-ԡA/Dǃ


    Original     		LPC23xx 72MHz 72-MHz LPC2377 LPC2378 LPC2388 LQFP100 LQFP144 vic lpc2378 lpc23xx LPC2378 LPC2378 uart LPC2388 16C550 LQFP100 LQFP144 TFBGA100 isp iap PDF

    schematic diagram atx Power supply 500w

    Abstract: pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 Digital Signal Processors, iCoupler , iMEMS® and iSensor . . . . . 805, 2707, 2768-2769 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-568 RF Connectors . . . . . . . . . . . . . . . . . . . . . . Pages 454-455


    Original     		P462-ND P463-ND LNG295LFCP2U LNG395MFTP5U US2011) schematic diagram atx Power supply 500w pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS PDF

    ARM LPC2148

    Abstract: ARM LPC2148 architecture ARM7 LPC2148 LPC1752 ARM9 special features arm7* USB LPC1754 lpc1756 LPC2362 LPC2141
    Text: NXP 32-bit ARM MCUs LPC & LH7 series with USB The industry’s widest choice of USB-equipped ARM microcontrollers NXP offers more than 50+ options for ARM7, ARM9, and Cortex-M3 microcontrollers. We include special USB features that enhance performance and simplify design-in, and also have the industry’s


    Original     		32-bit LPC3130) ARM LPC2148 ARM LPC2148 architecture ARM7 LPC2148 LPC1752 ARM9 special features arm7* USB LPC1754 lpc1756 LPC2362 LPC2141 PDF

    lpc23xx

    Abstract: LPC2368FBD100 LPC2388FBD144 LPC2378 LPC2364FBD100 LPC2368 LPC2367FBD100 LQFP100 LPC2388 LQFP144
    Text: 72-MHz, 32-bit microcontroller with ARM7TDMI-S core LPC23xx ARM7-based microcontrollers with Ethernet, USB, and CAN peripherals Built for connectivity, these powerful yet cost-effective microcontrollers supports 10/100 Ethernet, full-speed 12 Mbps USB 2.0, and CAN 2.0B. They have up to 512 KB of ISP/IAP Flash,


    Original     		72-MHz, 32-bit LPC23xx 10-bit 32-bit HoPC2377, LPC2378, LPC2388 LPC2300 lpc23xx LPC2368FBD100 LPC2388FBD144 LPC2378 LPC2364FBD100 LPC2368 LPC2367FBD100 LQFP100 LQFP144 PDF

    16*2 LCD interface with lpc2129

    Abstract: LQFP144 ARM LPC1114 instruction set lpc1114 uart for lpc1343 ARM LPC1768 instruction set ARM7 LPC2148 ARM LPC2148 instruction set usb controller using LPC1343 LPC1837
    Text: September 2010 The ARM selection guide Our microcontroller offering combines the highest performance in Flash with the lowest power consumption in the smallest packages. A comprehensive portfolio of industryleading performers includes the latest 32-bit LPC3000, LPC2000, LPC1000, LH7A, LH7. We offer an easy migration path from 32-bit solutions.


    Original     		32-bit LPC3000, LPC2000, LPC1000, LPC1000 LPC1100 LPC1800 LPC1700 16*2 LCD interface with lpc2129 LQFP144 ARM LPC1114 instruction set lpc1114 uart for lpc1343 ARM LPC1768 instruction set ARM7 LPC2148 ARM LPC2148 instruction set usb controller using LPC1343 LPC1837 PDF

    LQFP144

    Abstract: No abstract text available
    Text: February 2013 NXP Microcontrollers Selection Guide NXP LPC family of microcontrollers is changing the landscape for embedded applications. Featuring award-winning innovations in connectivity, flexibility, level of Integration, packaging, performance, power consumption, security, ease-of-use, and more, NXP’s LPC family provides developers a scalable continuum of 32-bit ARM based


    Original     		32-bit LQFP144 PDF

    iSO 15765

    Abstract: ulink2 schematic display message on lcd using keil programming in lpc2378 mcb2300 lpc2388 heart beat counter using 8051 NXP LPC1768 mcb2300 schematics CANopen lpc1700 source code in assembly to reset lpc1768
    Text: CAN Primer: Creating your own Network Summer 2009 by Robert Boys, Version 1.01 bob.boys@arm.com for the NXP LPC2300 series San Jose, California Introduction: CAN is extensively used in automobiles and trucks but has found applications everywhere. There are many “application”


    Original     		LPC2300 J1939 iSO 15765 ulink2 schematic display message on lcd using keil programming in lpc2378 mcb2300 lpc2388 heart beat counter using 8051 NXP LPC1768 mcb2300 schematics CANopen lpc1700 source code in assembly to reset lpc1768 PDF

    GPS interfaced with lpc2148

    Abstract: LPC2378 instruction cache p89v51rd2 development board P89V51RD2 microcontroller sd card interface in lpc2148 LPC921 LPC2148 interfacing circuit with adc using pwm LPC2148 LPC2148 all interfacing programs LPC2148 interfacing circuit with adc
    Text: March 2008 The choice for embedded technologies Our microcontroller offering combines the highest performance in Flash with the lowest power consumption in the smallest packages. A comprehensive portfolio of industryleading performers includes the latest 32-bit LPC3000, LPC2000, LH7A, LH7, and 8-bit LPC900 families. We offer an easy migration path from 8-bit to 32-bit solutions.


    Original     		32-bit LPC3000, LPC2000, LPC900 LPC3000 ARM926EJ LPC3180 GPS interfaced with lpc2148 LPC2378 instruction cache p89v51rd2 development board P89V51RD2 microcontroller sd card interface in lpc2148 LPC921 LPC2148 interfacing circuit with adc using pwm LPC2148 LPC2148 all interfacing programs LPC2148 interfacing circuit with adc PDF

    ARM7 LPC2148 sample codes

    Abstract: TMS470R1VF288 str911fw44 UM08007 LPC2148 example codes ARM LPC1768 instruction set TMS470R1VF689 MSD 7812 ARM7 LPC2148 instruction set ADUC7020X62
    Text: Flasher ARM User guide of the stand-alone JTAG programmer for ARM Cores Manual Rev. 18 Date: August 6, 2009 Document: UM08007 A product of SEGGER Microcontroller GmbH & Co. KG www.segger.com 2 Disclaimer Specifications written in this document are believed to be accurate, but are not guaranteed to be entirely free of error. The information in this manual is subject to


    Original     		UM08007 UM08007) ARM7 LPC2148 sample codes TMS470R1VF288 str911fw44 UM08007 LPC2148 example codes ARM LPC1768 instruction set TMS470R1VF689 MSD 7812 ARM7 LPC2148 instruction set ADUC7020X62 PDF

    LPC9221

    Abstract: LPC2148 i2c with sensor embedded c code to interface lpc2148 with sensor LPC98x LPC700 P89V51RD2 microcontroller LPC915 LPC2468 of P89V51RD2 LPC2148
    Text: September 2009 The choice for embedded technologies Our microcontroller offering combines the highest performance in Flash with the lowest power consumption in the smallest packages. A comprehensive portfolio of industryleading performers includes the latest 32-bit LPC3000, LPC2000, LPC1000, LH7A, LH7, and 8-bit LPC900, LPC700 and 80C51 families. We offer an easy migration path from


    Original     		32-bit LPC3000, LPC2000, LPC1000, LPC900, LPC700 80C51 LPC3000 LPC9221 LPC2148 i2c with sensor embedded c code to interface lpc2148 with sensor LPC98x P89V51RD2 microcontroller LPC915 LPC2468 of P89V51RD2 LPC2148 PDF

    220v AC voltage stabilizer schematic diagram

    Abstract: LG color tv Circuit Diagram tda 9370 1000w inverter PURE SINE WAVE schematic diagram schematic diagram atx Power supply 500w TV SHARP IC TDA 9381 PS circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor E 13005-2 superpro lx
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 AD9272 Analog Front End, iMEMS Accelerometers & Gyroscopes . . . . . . 782, 2583 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-528 Acceleration and Pressure Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2585


    Original     		AD9272 P462-ND LNG295LFCP2U P463-ND LNG395MFTP5U 220v AC voltage stabilizer schematic diagram LG color tv Circuit Diagram tda 9370 1000w inverter PURE SINE WAVE schematic diagram schematic diagram atx Power supply 500w TV SHARP IC TDA 9381 PS circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor E 13005-2 superpro lx PDF

    Untitled

    Abstract: No abstract text available
    Text: NXP LPC microcontrollers Innovation at your fingertips NXP LPC microcontrollers Maximize your design potential. Minimize your design effort. NXP’s LPC microcontrollers are changing the landscape for embedded applications. Equipped with award-winning innovations — in connectivity, design flexibility,


    Original     		8/16-bit 32-bit LPC1759/69 LPC4000 PDF