Hardware

AN2282

4/19

The STR710 main features are as follows [1]:

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Memories:

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Up to 272 KB (256+16) FLASH program memory

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Up to 64 KB RAM

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EMI for up to 4 banks with 16MB of addressing space each (64MB total)

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Multi-boot capability

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Clock, Reset and Supply Management:

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3.3V supply and I/O interface

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Embedded 1.8V voltage regulator for core supply

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Up to 50 MHz CPU operating frequency with external clock source and internal

PLL

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Real-time clock for clock-calendar function

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4 power saving modes: SLOW, WAIT, STOP and STANDBY

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Nested Interrupt Controller:

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Fast interrupt handling with multiple vectors

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32 vectors with 16 IRQ priority levels

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2 maskable FIQ sources

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I/O Ports:

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Up to 48 I/O ports

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5 Timers:

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16-bit watchdog timer

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Four 16-bit timers each with: 2 input captures, 2 output compares, PWM and

pulses counter mode

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10 Communication Interfaces:

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2 I2C interfaces (1 multiplexed with SPI)

–4 UART

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Smart card ISO7816-3 interface on UART1

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2 BSPI

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CAN interface (2.0B Active)

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Full speed USB (12Mbits/sec)

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HDLC interface

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4 Channel 12-bit A/D Converter:

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Sampling frequency up to 1 KHz

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Conversion range: 0 to 2.5V

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Development Tools Support:

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JTAG with debug mode trigger request