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Altera_Forum
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14 years ago

UART recive and send loop

hi: I post attachments about the UART recive and send loop HDL code ( attachments 1)and signaltap waves . I have some questions to ask your gurus~! 1:I use the 50M oscilation, w...
Altera_Forum's avatar
Altera_Forum
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14 years ago

You defined baud_cnt 8bit wide (range 0 - 255), but for a 9600 baudrate it needs to reach 326, then it overflows.

Replace line 40 with reg [8:0] baud_cnt;