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Home > Embedded ICs > 32bit MCU > STR712FR2H6
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STR712FR2H6

STR712FR2H6

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STR712FR2H6 Overview

ARM? core with embedded Flash and RAM

The STR71x series is a family of ARM-powered 32-bit microcontrollers with embedded Flash and RAM. It combines the high performance ARM7TDMI CPU with an extensive range of peripheral functions and enhanced I/O capabilities. STR71xF devices have on-chip high-speed single voltage FLASH memory and high-speed RAM. STR710R devices have high-speed RAM but no internal Flash. The STR71x family has an embedded ARM core and is therefore compatible with all ARM tools and software. Extensive tools support STMicroelectronics’ 32-bit, ARM core-based microcontrollers are supported by a complete range of high-end and low-cost development tools to meet the needs of application developers. This extensive line of hardware/software tools includes starter kits and complete development packages all tailored for ST’s ARM core-based MCUs. The range of development packages includes third-party solutions that come complete with a graphical development environment and an in-circuit emulator/programmer featuring a JTAG application interface. These support a range of embedded operating systems (OS), while several royalty-free OSs are also available. For more information, please refer to ST MCU site http://www.st.com/mcu

Features

  • ARM7TDMI 32-bit RISC CPU
  • 59 MIPS @ 66 MHz from SRAM
  • 45 MIPS @ 50 MHz from Flash
  • Memories
    • Up to 256 Kbytes Flash program memory (10 kcycles endurance, 20 years retention @ 85 ° C)
    • 16 Kbytes Flash data memory (100 kcycles endurance, 20 years retention@ 85 ° C)
    • Up to 64 Kbytes RAM
    • External Memory Interface (EMI) for up to 4 banks of SRAM, Flash, ROM
    • Multi-boot capability
  • Clock, reset and supply management
    • 3.0 to 3.6 V application supply and I/Os
    • Internal 1.8 V regulator for core supply
    • Clock input from 0 to 16.5 MHz
    • Embedded RTC osc. running from external 32 kHz crystal
    • Embedded PLL for CPU clock
    • Realtime Clock for clock-calendar function
    • 5 power saving modes: SLOW, WAIT, LPWAIT, STOP and STANDBY modes
  • Nested interrupt controller
    • Fast interrupt handling with multiple vectors
    • 32 vectors with 16 IRQ priority levels
    • 2 maskable FIQ sources
  • Up to 48 I/O ports
    • 30/32/48 multifunctional bidirectional I/OsUp to 14 ports with interrupt capability
  • 5 timers
    • 16-bit watchdog timer
    • 3 16-bit timers with 2 input captures, 2 output compares, PWM and pulse counter
    • 16-bit timer for timebase functions
  • 10 communication interfaces
    • 2 I2C interfaces (1 multiplexed with SPI)
    • 4 UART asynchronous serial interfaces
    • Smartcard ISO7816-3 interface on UART1
    • 2 BSPI synchronous serial interfaces
    • CAN interface (2.0B Active)
    • USB Full Speed (12 Mbit/s) Device Function with Suspend and Resume
    • HDLC synchronous communications
  • 4-channel 12-bit A/D converter
    • Sampling frequency up to 1 kHz
    • Conversion range: 0 to 2.5 V
  • Development tools support
    • Atomic bit SET and RES operations

    • Applications

    STR7

    Specifications

    • Core Processor ARM7?

    • Speed 66MHz

    • Operating Temperature -40℃ ~ 85℃ (TA)

    • Program Memory Type FLASH

    • RAM Size 64K x 8

    • Number of I/O 32

    • Peripherals PWM, WDT

    • Mounting Type Surface Mount

    • Oscillator Type Internal

    • Package / Case 64-LFBGA

    • Core Size 32-Bit

    • Connectivity CANbus, HDLC, I2C, SmartCard, SPI, UART/USART

    • Program Memory Size 256KB (256K x 8 + 16K)

    • Data Converters A/D 4x12b

    • Voltage - Supply (Vcc/Vdd) 3V ~ 3.6V

    Circuit Diagram

    STR712FR2

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