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IO set violation in AM3352 processor

karthik Jegatheeswaran1
Prodigy 30 points
Other Parts Discussed in Thread: AM3352

Hi,

I am using AM3352 processor. For the purpose of pin mapping i am using Pin Mux utility tool.

To connect a 256 MB(128M*16) NOR flash in multiplexed mode i am using the processor GPMC interface pins.

When i use GPMC_AD<15..0>,GPMC_WAIT0,GPMC_WPN,GPMC_CS0,GPMC_CLK_MUX1,GPMC_ADVN_ALE,GPMC_OEN_REN,GPMC_WEN,GPMC_BE0N_CLE,GPMC_A<10..1>_MUX1,GPMC_A27 i am not getting any IO set violation error.

When i use GPMC_AD<15..0>,GPMC_WAIT0,GPMC_WPN,GPMC_CS0,GPMC_CLK_MUX0,GPMC_ADVN_ALE,GPMC_OEN_REN,GPMC_WEN,GPMC_BE0N_CLE,GPMC_A<10..1>_MUX0,GPMC_A27 i am getting IO set violation error.

When i use GPMC_AD<15..0>,GPMC_WAIT0,GPMC_WPN,GPMC_CS0,GPMC_CLK_MUX0,GPMC_ADVN_ALE,GPMC_OEN_REN,GPMC_WEN,GPMC_BE0N_CLE,GPMC_A<10..1>_MUX0 i am not getting any IO set violation error.

Does it mean that i must not use GPMC_A27 and GPMC_A<10..1>_MUX0(other address pin in MUX0) together as it leads to IO set violation or can i ignore this io set violation error..correct me if i am wrong...

Thanks and regards,

Karthik