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  • Using the PC/104-Plus (PCI) Interface for System Expansion Cards
    , such as VersaLogic's Pentium-class Jaguar board, allows high speed expansion boards to be added to the stack in the same way as lower-speed ISA boards. In order to take advantage of this high speed interface, designers will need to better understand the characteristics of the PC/104-Plus bus
  • I/O Expansion Using the MCP23X08 and PIC10F202
    This application note discusses using the MCP23008 and MCp23S08 GPIO Expanders with a 6-pin PIC10F202 microcontroller unit (MCU). The discussion is based on the MCP23X08 Evaluation Board, P/N:MCP23008DM. An I/O expander is used to increase the I/O capability of microcontrollers. The microcontroller
  • Interfacing a 4x4 Matrix Keypad with an 8-Bit GPIO Expander
    expansion using pin (INT), which will be explained in detail later. 2 C TM and SPI. Theystandard serial interfaces such as I Interrupt-On-Change Feature are especially useful in applications where pin count is limited on the microcontroller unit (MCU) or if remote The MCP23X08 devices have one
  • Designing Custom Daughtercards for the QTERM-G55
    , the figure is available as an AutoCad DXF file at the URL located at the end of this application note. Most modern EDA packages support DXF file import. QSI recommends a board thickness of 1.6 mm. The 60-pin expansion port connector is located as shown in the figure and must be placed on the back side
  • Thermostats like it hot
    in low-current, low-voltage applications. It can be custom configured for any application with either normally open (NO) or normally closed (NC) contacts. In the figure, the thermostat is configured as a NO switch. As the temperature rises, the different coefficients of thermal expansion snap the disk upward
  • | Electronics Industry News for EEs & Engineering Managers
    Aptix, Mentor appeal dismissal of Quickturn case TI's Burr-Brown acquisition makes waves in analog-IC market IBM prepares ramp of low-k/copper, wins converts to spin-on, says researcher Embedded DRAM finds second wind in networking chips Analog Devices packs faster DACs in smaller 28-pin packages

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