1 Introduction

STR710-EVAL

3/27

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RTC real-time clock for wakeup from standby mode with embedded 32 KHz oscillator.

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Serial ROMs:

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1-Mbit SPI serial flash connected to the buffered serial peripheral interface (BSPI):

IC11,

1.2

Board interface connections

Diagrams and wiring descriptions for these connectors are provided in

Section 4: Schematics

on page 15. The following connections are supported by the board:

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USB, support USB device using a type B connector: CN3,

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CAN uses a single 9 D-type connector with microswitch selectable low or high speed

transceiver: CN1,

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UART0 (Rx and Tx only) connected to a 9-way male D-type RS232 connector: CN7,

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UART1 and 2 (Rx and Tx only) switch selectable, connected to a 9-way male D-type

RS232 connector: CN8 ,

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JTAG, 20 pin IDC connector: CN9,

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Piezo buzzer: SPKR1,

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variable resistor, voltage range 0 to 2.5 V: R63,

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prototype area: GD1,

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test points, various test points are located throughout the board, for details see

Section 4:

Schematics on page 15,

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external analog: CN6,

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main power supply: CN2.

1.3

Push buttons

The following push buttons are provided:

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reset, board reset: SW12,

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wakeup, push button to bring processor out of low power mode: SW11,

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select, programmable switch: SW4,

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next, programmable switch: SW3.

1.4

Displays

The following LCD and LEDs are provided:

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LCD display, 2x16 LCD display connected to a parallel EMI LCD interface; green back light

display: LCD1,

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surface mount red, +5 V and +3.3 V power indicators: LD1, LD2,

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surface mount orange, USB powered: LD7,

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surface mount orange indicates standby status: LD21,

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bi-color red/green: LD20,

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low consumption LEDs red: LD3, LD4, LD5, LD6, LD8,LD9, LD10, LD11, LD12, LD13,

LD14, LD15, LD16, LD17, LD18, LD19.

Note: