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how to use USB of Atmega16u2 in codevisonavr USB and application both using
my application is using of usb like serial data send to pc and get from pc application
thanks
of course design is old but one thing i can't understand that when port drive segment my question is that key0 or key4 both pressed then corresponded segment are disturbed(two segment are short)
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PORTB is using for segment drive
he all expert please help me i confused what happened when in colom key 0 and key 4 are pressed and hold them ,what display behaviour any effect on segment thanks
hi all experts,
when i disable USART rx interrupt and enable again then DOR flag set in UCSRA reg. so please tell me how to clear this flag.i am using winavr gcc
thanks
no need more io for 4 module OE,STB,CLK,A,B are parallel and data is in cascade mode
P10 module is 1/4 scanning (4 ROW SCAN ONE TIME)
PIN A B
0 0 ROW 1,5,9,13
1 0 ROW 2,6,10,14
0 1 ROW 3,7,11,15
1 1 ROW 4,8,12,16
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