fx2lp IFCONFIG

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gean_3054931
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Hi,

In the FX2LP TRM,They have given that IFCONFIG.5 (output enable) Bit must not be set to 1 when IFCONFIG.7 is equal to 0 (external clock).what whould be the reason?

regards,

geetha.

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SrinathS_16
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Hello Geethanjali,

When IFCLK source is configured to be external (IFCONFIG.7 = 0), the IFCLK pin acts as an Input pin. So, this pin cannot simultaneously drive the IFCLK. Hence, the output enable bit (IFCONFIG.5) should be set to 0 when the IFCLK source is external.

Best regards,

Srinath S

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SrinathS_16
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1000 replies posted 750 replies posted 500 replies posted

Hello Geethanjali,

When IFCLK source is configured to be external (IFCONFIG.7 = 0), the IFCLK pin acts as an Input pin. So, this pin cannot simultaneously drive the IFCLK. Hence, the output enable bit (IFCONFIG.5) should be set to 0 when the IFCLK source is external.

Best regards,

Srinath S