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

    STR912F Search Results

    SF Impression Pixel

    STR912F Price and Stock

    STMicroelectronics STR912FW44X6

    IC MCU 32BIT 512KB FLASH 128LQFP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey STR912FW44X6 Tray 540
    • 1 -
    • 10 -
    • 100 -
    • 1000 $16.79491
    • 10000 $16.79491
    Buy Now

    STMicroelectronics STR912FW42X6

    IC MCU 32BIT 256KB FLASH 128LQFP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey STR912FW42X6 Tray 540
    • 1 -
    • 10 -
    • 100 -
    • 1000 $15.37756
    • 10000 $15.37756
    Buy Now

    STMicroelectronics STR912FAZ44H6

    IC MCU 32BIT 512KB FLASH 144BGA
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey STR912FAZ44H6 Tray 1,104
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $10.57682
    Buy Now
    Bristol Electronics STR912FAZ44H6 5
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Win Source Electronics STR912FAZ44H6 6,250
    • 1 -
    • 10 $32.223
    • 100 $28.889
    • 1000 $28.889
    • 10000 $28.889
    Buy Now

    STMicroelectronics STR912FAZ46H6

    IC MCU 32BIT 1MB FLASH 144BGA
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey STR912FAZ46H6 Tray 1,104
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $12.3817
    Buy Now
    ComSIT USA STR912FAZ46H6 60
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    STMicroelectronics STR912FAW32X6

    IC MCU 32BIT 256KB FLASH 128LQFP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey STR912FAW32X6 Tray 540
    • 1 -
    • 10 -
    • 100 -
    • 1000 $8.40869
    • 10000 $8.40869
    Buy Now

    STR912F Datasheets (20)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    STR912FAW32X6 STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 256KB FLASH 128LQFP Original PDF
    STR912FAW42X6 STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 256KB FLASH 128LQFP Original PDF
    STR912FAW44X6 STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 512KB FLASH 128LQFP Original PDF
    STR912FAW44X6T STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 512KB FLASH 128LQFP Original PDF
    STR912FAW46X6 STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 1MB FLASH 128LQFP Original PDF
    STR912FAW46X6T STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 1MB FLASH 128TQFP Original PDF
    STR912FAW47X6 STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 2MB FLASH 128LQFP Original PDF
    STR912FAW47X6T STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 2MB FLASH 128LQFP Original PDF
    STR912FAZ42H6 STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 256KB FLASH 144LFBGA Original PDF
    STR912FAZ44H6 STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 512KB FLASH 144LFBGA Original PDF
    STR912FAZ44H6T STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 512KB FLASH 144LFBGA Original PDF
    STR912FAZ46H6 STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 1MB FLASH 144LFBGA Original PDF
    STR912FAZ47H6 STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 2MB FLASH 144LFBGA Original PDF
    STR912FAZ47H6T STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU ARM9 2MB FLASH 144LFBGA Original PDF
    STR912FM32X6T STMicroelectronics ARM966E-S 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC Motor Control, 4 Timers, ADC, RTC, DMA Original PDF
    STR912FW42 STMicroelectronics ARM966E-S 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC Motor Control, 4 Timers, ADC, RTC, DMA Original PDF
    STR912FW42X6 STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU 256K FLASH 96K SRAM USB CAN Original PDF
    STR912FW44 STMicroelectronics ARM966E-S 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC Motor Control, 4 Timers, ADC, RTC, DMA Original PDF
    STR912FW44X STMicroelectronics ARM966E-S 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC Motor Control, 4 Timers, ADC, RTC, DMA Original PDF
    STR912FW44X6 STMicroelectronics Embedded - Microcontrollers, Integrated Circuits (ICs), MCU 512K FLASH 96K SRAM USB CAN Original PDF

    STR912F Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    LQFP-124

    Abstract: STR912FAW44X6 STR91XFA UM0388 AN2523 ST BGA STR912FAW44x6* datasheet STR91xF emi
    Text: AN2523 Application note Migrating from STR91xF to STR91xFA Introduction STR9 microcontrollers have two major salestype groups, as follows: ● The initial group consist of devices STR91xFxxxxx, for example STR912FW44X6, with silicon revisions B, and D. Revision D is in production. Detailed technical information for


    Original
    PDF AN2523 STR91xF STR91xFA STR91xFxxxxx, STR912FW44X6, STR91xFAxxxxx, STR912FAW44X6, LQFP-124 STR912FAW44X6 STR91XFA UM0388 AN2523 ST BGA STR912FAW44x6* datasheet STR91xF emi

    str9 microcontroller

    Abstract: str9-comstick STR91 STR912F
    Text: STR9-COMSTICK Complete low-cost kit for evaluation and development of STR91xF networked embedded applications Data Brief Features • STR9-comStick with STR912F featuring ARM966E RISC core up to 96 MHz, 512 + 32Kbytes Flash and 96Kbytes RAM ■ 10/100 Ethernet, USB 2.0 full speed


    Original
    PDF STR91xF STR912F ARM966E® 32Kbytes 96Kbytes str9 microcontroller str9-comstick STR91

    STR91X

    Abstract: str9 STR912FAW44x6* datasheet LQFP128 LQFP80 STR912FAW44X6 Part Marking STMicroelectronics flash memory code 618 STR91xFAxxx STR912FW44X6
    Text: STR91xF Errata sheet Rev B and D limitations and corrections Silicon identification STR9 microcontrollers have two major salestype groups, as follows: ● The initial group consists of devices STR91xFxxxxx, for example STR912FW44X6, with silicon revisions B, and D. Detailed technical information for these devices may be


    Original
    PDF STR91xF STR91xFxxxxx, STR912FW44X6, STR91xF STR91xFAxxxxx, STR912FAW44X6, STR91xFA STR91X str9 STR912FAW44x6* datasheet LQFP128 LQFP80 STR912FAW44X6 Part Marking STMicroelectronics flash memory code 618 STR91xFAxxx STR912FW44X6

    tantal 3528

    Abstract: D03316P-333 TANTAL 7343 power supply schematic diagram HDR2X25 MDC schottky diode ST Automotive HSD Connector MKDS1.5-5.08 L5073D MLW20G
    Text: UM0499 User manual Getting started with the STEVAL-IFW001V1, STR912FA real-time Ethernet evaluation board 1 Introduction Ethernet is a networking standard which has been well known in the computer world as a communication interface mainly for local area networks and Internet access, and proven


    Original
    PDF UM0499 STEVAL-IFW001V1, STR912FA tantal 3528 D03316P-333 TANTAL 7343 power supply schematic diagram HDR2X25 MDC schottky diode ST Automotive HSD Connector MKDS1.5-5.08 L5073D MLW20G

    5973d

    Abstract: W44X6 mlw10g S340U p45 connector STE101P LF18 LED1012 MLW-10 STR912FAW44
    Text: STEVAL-IFW001V1 Real-time Ethernet slave node demonstration board based on the STR912FAW44 Data Brief Features • 32-bit STR912FAW44 microcontroller with ARM966E-S core running at 96 MHz ■ Two fast E-STE101P Ethernet transceivers supporting full duplex communication;


    Original
    PDF STEVAL-IFW001V1 STR912FAW44 32-bit STR912FAW44 ARM966E-STM E-STE101P 50-pin L5973AD 5973d W44X6 mlw10g S340U p45 connector STE101P LF18 LED1012 MLW-10

    ATX smps from 12 volt

    Abstract: 12 volt powered ATX SMPs L4960 NOTE ATX SMPS STR912FAW44 ATX SMPS schematics st l4960 L4960 SMD Code WY SOT23 sot23 y6f
    Text: UM0581 User manual STEVAL-PCC005V1, STR912FAW44 parallel interface to hard disk demonstration board Introduction This user manual explains the operation of demonstration board STEVAL-PCC005V1 which implements a parallel interface hard disk on the STR912FAW44 microcontroller ARM966ES, 16/32 bit Flash MCU with ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC,


    Original
    PDF UM0581 STEVAL-PCC005V1, STR912FAW44 STEVAL-PCC005V1 ARM966ES, STR91x ATX smps from 12 volt 12 volt powered ATX SMPs L4960 NOTE ATX SMPS ATX SMPS schematics st l4960 L4960 SMD Code WY SOT23 sot23 y6f

    STR912FAW44X6

    Abstract: STR91xFAxxxxx ARM966E-S BGA144 LFBGA144 LQFP128 LQFP80 STR91XFA STR912FAW4 STR91xFAxxx
    Text: STR91xFA Errata sheet STR91xFA limitations and corrections Silicon identification STR91x microcontrollers have two major salestype groups, as follows: ● The initial group consists of STR91xFxxxxx devices, for example STR912FW44X6, with silicon revisions B, and D. Detailed technical information for these devices can be


    Original
    PDF STR91xFA STR91xFA STR91x STR91xFxxxxx STR912FW44X6, STR91xF STR91xFAxxxxx STR912FAW44X6, STR912FAW44X6 ARM966E-S BGA144 LFBGA144 LQFP128 LQFP80 STR912FAW4 STR91xFAxxx

    STR912FA

    Abstract: XCF04SVO20C XC3S500E XC3S500E-4PQ208C HDR1X4 um0502 user manual XC3S500E-4PQ208C manual powerlink schematic diagram ST3485EB 8 bit dip switch
    Text: UM0502 User manual Getting started with the STEVAL-IFW0002V1 real-time Ethernet Xilinx FPGA extension, based on the STR912FA 1 Introduction This manual describes STEVAL-IFW0002V1 FPGA extension of the STEVAL-IFW0001V1 STR912FA dual Ethernet PHY carry board. This extension was designed to handle a realtime RT Ethernet IP (e.g. RT HUB for Powerlink, IEEE1588, EtherCAT IP, etc). It can also


    Original
    PDF UM0502 STEVAL-IFW0002V1 STR912FA STEVAL-IFW0001V1 STR912FA IEEE1588, XCF04SVO20C XC3S500E XC3S500E-4PQ208C HDR1X4 um0502 user manual XC3S500E-4PQ208C manual powerlink schematic diagram ST3485EB 8 bit dip switch

    STM32-COMSTICK

    Abstract: code stm32 STM32 MAC str9 microcontroller STM32 STM32F107VC stm32 10 STM32ComStick
    Text: STM32-COMSTICK STR9-COMSTICK Hitex complete, low-cost kit for evaluation and development of STM32 and STR91xF in networked embedded applications Data brief Features • STM32-comStick with STM32F107VC and STR9-comStick with STR912FW ■ In-circuit debugging/programming via


    Original
    PDF STM32-COMSTICK STM32 STR91xF STM32-comStick STM32F107VC STR912FW code stm32 STM32 MAC str9 microcontroller stm32 10 STM32ComStick

    Untitled

    Abstract: No abstract text available
    Text: STEVAL-IFW001V1 Real-time Ethernet slave node demonstration board based on the STR912FAW44 Data Brief Features • 32-bit STR912FAW44 microcontroller with ARM966E-S core running at 96 MHz ■ Two fast E-STE101P Ethernet transceivers supporting full duplex communication;


    Original
    PDF STEVAL-IFW001V1 STR912FAW44 32-bit STR912FAW44 ARM966E-Sâ E-STE101P 50-pin UM0499

    ARM str91x

    Abstract: STR912FAW44x6 STR912 STR912FA Part Marking STMicroelectronics flash memory PL190 8 Bit ADC Flash Generic STMicroelectronics LQFP marking code date STR912FAW44x6* datasheet ARM966E-S
    Text: STR91xFA Errata sheet STR91xFA limitations and corrections Silicon identification STR91x microcontrollers have two major salestype groups, as follows: ● The initial group consists of STR91xFxxxxx devices, for example, STR912FW44X6, with silicon revisions B and D. Detailed technical information for these devices can be


    Original
    PDF STR91xFA STR91xFA STR91x STR91xFxxxxx STR912FW44X6, STR91xF STR91xFAxxxxx STR912FAW44X6, ARM str91x STR912FAW44x6 STR912 STR912FA Part Marking STMicroelectronics flash memory PL190 8 Bit ADC Flash Generic STMicroelectronics LQFP marking code date STR912FAW44x6* datasheet ARM966E-S

    STR912FAW44X6

    Abstract: STR912FA 1000uf/63v SS4-30-30/30 RTCK STPS3L60U 220uF/63V jtag con3 SS4-30 USBLC6-2P6
    Text: STEVAL-PCC005V1 Schematics STR912FAW44 IC, JTAG and USB connector 3V3AN STR9 3V3AN 30pF DMARQ_P30 LED_P31 LED_P32 R56 1M INTRQ_P34 IORDY_P35 RESET_P36 LED_P37 100nF Y1 Q25.0-SS4-30-30/30 C23 C24 VDD18 GND GND 16 48 82 113 112 17 49 81 39 4 122 123 3 2 1 128


    Original
    PDF STEVAL-PCC005V1 STR912FAW44 100nF 0-SS4-30-30/30 VDD18 VDD33 CON20 L4960 STR912FAW44X6 STR912FA 1000uf/63v SS4-30-30/30 RTCK STPS3L60U 220uF/63V jtag con3 SS4-30 USBLC6-2P6

    STR912FAW44X6

    Abstract: STR912FAW4 STR912FAW44x6* datasheet LQFP80 PL190 ARM966E-S BGA144 LFBGA144 LQFP128 STR912FW44X6
    Text: STR91xFA Errata sheet STR91xFA limitations and corrections Silicon identification STR91x microcontrollers have two major salestype groups, as follows: ● The initial group consists of STR91xFxxxxx devices, for example, STR912FW44X6, with silicon revisions B and D. Detailed technical information for these devices can be


    Original
    PDF STR91xFA STR91xFA STR91x STR91xFxxxxx STR912FW44X6, STR91xF STR91xFAxxxxx STR912FAW44X6, STR912FAW44X6 STR912FAW4 STR912FAW44x6* datasheet LQFP80 PL190 ARM966E-S BGA144 LFBGA144 LQFP128 STR912FW44X6

    ARM str91x

    Abstract: No abstract text available
    Text: EWARM, STR91X-DK/IAR IAR development tools for STR7 and STR9 microcontrollers Data Brief IAR’s Embedded Workbench for ARM EWARM is an easy-to-use, powerful integrated development environment for developing applications for the STR7 and STR9 ARM corebased microcontrollers. Based on solid


    Original
    PDF STR91X-DK/IAR STR91x STR91X-DK/IAR) ARM str91x

    STM32W108

    Abstract: stm32f103 DAC STM8L151 PROGRAMMER FOR STM32F103 stm32f107 stm32f103 spi stm32f105 STM32 PWM output developer kit ST10F273 programmer schematic STM32-PRIMER2
    Text: 62 7x 10 M32 M8 R7 R9 * E T P F,C F ROM no character EPROM OTP FastROM Flash Version code ST6 ST7 ST10 STM32 STM8 STR7 STR9 Family STM32 Y F E G K L D H J S C N AR R M V W Z 16 pins 20 pins 24 pins 28 pins 32 pins 34 pins 38 pins 40 pins 42 pins 44 pins


    Original
    PDF STM32 10x10) 14x14) 32-bit SGMICRO0909 STM32W108 stm32f103 DAC STM8L151 PROGRAMMER FOR STM32F103 stm32f107 stm32f103 spi stm32f105 STM32 PWM output developer kit ST10F273 programmer schematic STM32-PRIMER2

    microcontroller based projects

    Abstract: graphical lcd arm
    Text: STR91X-SK/IAR, STR7xx-SK/IAR IAR’s complete, low cost starter kits for STR7 and STR9 Data Brief The KickStart Kits STR711-SK/IAR, STR712SK/IAR, STR730-SK/IAR, STR731-SK/IAR, STR750-SK/IAR and STR91X-SK/IAR are IAR’s complete, cost-effective solutions for starting


    Original
    PDF STR91X-SK/IAR, STR711-SK/IAR, STR712SK/IAR, STR730-SK/IAR, STR731-SK/IAR, STR750-SK/IAR STR91X-SK/IAR) ARM966ETM microcontroller based projects graphical lcd arm

    stm32 graphical display application

    Abstract: 20-pin JTAG interface connector hit led STM32-PerfStick-2 hitex hitop tantino graphical LCD stm32
    Text: STM32-SK/HIT STR91X-SK/HIT, STR7-SK/HIT Hitex starter kits for ST ARM core-based microcontrollers Data brief Features • Hitex Development Tools software toolset for ARM devices, with: – HiTOP integrated development environment IDE for application


    Original
    PDF STM32-SK/HIT STR91X-SK/HIT, STM32 stm32 graphical display application 20-pin JTAG interface connector hit led STM32-PerfStick-2 hitex hitop tantino graphical LCD stm32

    LQFP64 package

    Abstract: dali schematic "32-Bit Microcontrollers" stm32f105 bga 8X16 ST10F273 programmer schematic STM32F10x USB HOST STM32F10x ST7DALI-eval STM3210E
    Text: 62 7x 10 M32 M8S R7 R9 * E T P F,C F ROM no character EPROM OTP FastROM Flash Version code ST6 ST7 ST10 STM32 STM8 STR7 STR9 Family ST72 Y F E G K L D H J S C N AR R M V W Z 16 pins 20 pins 24 pins 28 pins 32 pins 34 pins 38 pins 40 pins 42 pins 44 pins


    Original
    PDF STM32 10x10) 14x14) 32-bit SGMICRO0409 LQFP64 package dali schematic "32-Bit Microcontrollers" stm32f105 bga 8X16 ST10F273 programmer schematic STM32F10x USB HOST STM32F10x ST7DALI-eval STM3210E

    dc 220v motor speed control circuit with scr

    Abstract: difference between arm7 and arm9 ARM9 instruction set ARM str912 arm9 architecture ARM9 programming arm9 processor working ge ecm 2.3 series motors "CISC Microcontroller" 16x16 LED Matrix
    Text: The Insider’s Guide To The STR91x ARM 9 An Engineer’s Introduction To The STR91x Series www.hitex.co.uk Published by Hitex UK Ltd. ISBN: 0-9549988 5 First Published June 2006 Hitex (UK) Ltd. Sir William Lyons Road University Of Warwick Science Park


    Original
    PDF STR91x dc 220v motor speed control circuit with scr difference between arm7 and arm9 ARM9 instruction set ARM str912 arm9 architecture ARM9 programming arm9 processor working ge ecm 2.3 series motors "CISC Microcontroller" 16x16 LED Matrix

    SSP0_MOSI, SSP mstr dat out

    Abstract: No abstract text available
    Text: STR91xFAxxx ARM966E-S 16/32-bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA Features • ■ 16/32-bit 96 MHz ARM9E based MCU – ARM966E-S RISC core: Harvard architecture, 5-stage pipeline, Tightly-Coupled Memories SRAM and Flash


    Original
    PDF STR91xFAxxx ARM966E-Sâ 16/32-bit ARM966E-S STR91xFA 32-bits KB/512 KB/128 LQFP80manner SSP0_MOSI, SSP mstr dat out

    STM32-SK

    Abstract: STR91X-SK simple LED ARM str91x LCD 2X16 STM32F10xB graphical LCD stm32 ARM microcontroller based projects sk japan stm32 graphical display application
    Text: STM32-SK/IAR STR91X-SK/IAR, STR7-SK/IAR IAR starter kits for ST ARM core-based microcontrollers Data Brief Features • The IAR Embedded WorkBench™ for ARM EWARM software package with: – KickStart™ C/C+ compiler for output of code up to 32 Kbytes


    Original
    PDF STM32-SK/IAR STR91X-SK/IAR, 20-state 20-pin STM32-SK STR91X-SK simple LED ARM str91x LCD 2X16 STM32F10xB graphical LCD stm32 ARM microcontroller based projects sk japan stm32 graphical display application

    str912faw47

    Abstract: STR912FAW47X6 str912 Infrared Data Access 32x122 ARM str912 MCP67 TS487 STR910-EVAL EP947
    Text: UM0174 User manual STR910-EVAL evaluation board Introduction The STR910 evaluation board STR910-EVAL is a complete development platform for the STMicroelectronic’s ARM core-based STR91xF. Based on the ARM966ES core, the STR91xF includes Pre-fetch Queue and Branch cache, full speed USB 2.0 compatible port,


    Original
    PDF UM0174 STR910-EVAL STR910 STR910-EVAL) STR91xF. ARM966ES STR91xF STR910-EVAL STR910F str912faw47 STR912FAW47X6 str912 Infrared Data Access 32x122 ARM str912 MCP67 TS487 EP947

    PACKAGE LQFP128

    Abstract: STR911F STR91XFAW STR91xA STR912FAW46 str912faw47 STR911FA STR911 ARM966E-S LQFP128
    Text: STR91xFAxxx ARM966E-S 16/32-bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA Features • ■ 16/32-bit 96 MHz ARM9E based MCU – ARM966E-S RISC core: Harvard architecture, 5-stage pipeline, Tightly-Coupled Memories SRAM and Flash


    Original
    PDF STR91xFAxxx ARM966E-STM 16/32-bit ARM966E-S STR91xFA 32-bits KB/512 KB/128 PACKAGE LQFP128 STR911F STR91XFAW STR91xA STR912FAW46 str912faw47 STR911FA STR911 LQFP128

    Architecture of TMS320C54

    Abstract: arm9 architecture ARM9 VOICE RECORDER ARM VOICE RECORDER ARM Source code STR91XFA ARM9 32 Bit MCU ARM9 datasheet VOICE RECORDer on USB flash memory arm11 benchmark
    Text: STR910 32-bit Flash Microcontroller powered by ARM 966 Embedding connectivity 32-bit ARM9-based Flash Microcontrollers March 2008 ARM CPU Cores ARM leads the world in RISC microprocessor cores 2 billion ARM-based products shipped in 2006! Becoming global standard for best


    Original
    PDF STR910 32-bit 32-bit ARM11, STR91xFA STR910FA ARM966E 384MBytes/s! Architecture of TMS320C54 arm9 architecture ARM9 VOICE RECORDER ARM VOICE RECORDER ARM Source code ARM9 32 Bit MCU ARM9 datasheet VOICE RECORDer on USB flash memory arm11 benchmark