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Honored Contributor

13 years ago

coding style: about Inferred latch for xxx at x.v

I use a ping-pong buffer which has 32 bytes length to cache incoming command, and each command length is 16 bytes. The frequency of command shift in is faster than core frequency, due to serial tr...

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Honored Contributor

13 years ago

Thanks, I have rewrite my code to assign statement, and there is no more latch now.

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assign WEIGHT_WEN[0] = ~((CMD_TYPE==6'b0000_01 && CMD_W!=0) && (CMD_W==2'b11) && (RX_CMD[{~RX_CMD_COUNTER[4],4'b0001}][6:5]==2'b00));

assign WEIGHT_WEN[1] = ~((CMD_TYPE==6'b0000_01 && CMD_W!=0) && (CMD_W==2'b11) && (RX_CMD[{~RX_CMD_COUNTER[4],4'b0001}][6:5]==2'b01));

assign WEIGHT_WEN[2] = ~((CMD_TYPE==6'b0000_01 && CMD_W!=0) && (CMD_W==2'b11) && (RX_CMD[{~RX_CMD_COUNTER[4],4'b0001}][6:5]==2'b10));

assign WEIGHT_WEN[3] = ~((CMD_TYPE==6'b0000_01 && CMD_W!=0) && (CMD_W==2'b11) && (RX_CMD[{~RX_CMD_COUNTER[4],4'b0001}][6:5]==2'b11));

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