Cypress CY14B108M Manuales de usuario

Tabla de contenidos

• Features

  1
• Functional Description

  1
• Logic Block Diagram[1, 2, 3]

  1
• Device Operation

  3
• SRAM Read

  3
• SRAM Write

  3
• AutoStore Operation

  3
• Hardware STORE (HSB) Operation

  4
• Hardware RECALL (Power Up)

  4
• Software STORE

  4
• Software RECALL

  4
• Preventing AutoStore

  5
• Data Protection

  6
• Noise Considerations

  6
• Best Practices

  6
• Real Time Clock Operation

  7
  • nvTime Operation

    7
  • Clock Operations

    7
  • Reading the Clock

    7
  • Setting the Clock

    7
  • Backup Power

    7
  • Stopping and Starting the Oscillator

    7
  • Calibrating the Clock

    8
  • Alarm

    8
  • Watchdog Timer

    8
  • Power Monitor

    9
  • Interrupts

    9
  • Flags Register

    9
• Maximum Ratings

  15
• Operating Range

  15
• DC Electrical Characteristics

  15
• Data Retention and Endurance

  16
• Capacitance

  16
• Thermal Resistance

  16
• AC Test Conditions

  16
• AC Switching Characteristics

  18
• Switching Waveforms

  18
• Switching Waveforms

  19
• Switching Waveforms

  20
• AutoStore/Power Up RECALL

  21
• Switching Waveforms

  21
• Software Controlled STORE and RECALL Cycle

  22
• Hardware STORE Cycle

  23
• Truth Table For SRAM Operations

  24
  • For x8 Configuration

    24
• Ordering Information

  26
• Package Diagrams

  27
• Document History Page

  29
• Sales, Solutions, and Legal Information

  29
  • Worldwide Sales and Design Support

    29
  • Products

    29
  • PSoC Solutions

    29