CPLD Powerup RESET

Discussion in 'VHDL' started by john, Aug 29, 2005.

  1. john

    john Guest

    Hello,

    I need to RESET the CPLD at the powerup of the system. My CPLD (
    ATF1508AS-7QC160) has 3.3volts power supply and input voltage of 3.3
    volts.
    Would anyone recommend powerup RESET chip. I am trying to RESET the
    state machines. Should I will be looking for rising edge of the RESET
    signal or when it stablizes itself and stay high like 3.3 volts.

    Thanks
    Regards
    John
    john, Aug 29, 2005
    #1
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  2. john

    Rob Guest

    You can try Maxim or ST. I've used the following in the recent past:
    STM811TW16F (ST Electronics)



    "john" <> wrote in message
    news:...
    > Hello,
    >
    > I need to RESET the CPLD at the powerup of the system. My CPLD (
    > ATF1508AS-7QC160) has 3.3volts power supply and input voltage of 3.3
    > volts.
    > Would anyone recommend powerup RESET chip. I am trying to RESET the
    > state machines. Should I will be looking for rising edge of the RESET
    > signal or when it stablizes itself and stay high like 3.3 volts.
    >
    > Thanks
    > Regards
    > John
    >
    Rob, Aug 30, 2005
    #2
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