Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

how to interface SPI with altera using state machines!?

http://i714.photobucket.com/albums/ww143/littocookie/waveform.jpg hi! I'm new to using the quartus II software and altera so i'm learning as i go along, right now I want to interface the ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

sr <= x"00" & STD_LOGIC_VECTOR What does this sentence mean?

while

data : IN STD_LOGIC_VECTOR(15 downto 0);

SIGNAL sr : STD_LOGIC_VECTOR(23 downto 0);