MidTerm 1 Review: Relationship between 2 bits of overhead per byte wait state has to do with speed of access Clock disable by default to save power we need to enable it full duplex sending and receive at same time chip select bounds communication api shit register influence = technical, business, political, customer open collector, all have to be 1 (AND) 12C normal state HIGH, acknowledge LOW duty cycle of 4ms high time and 10ms period = 40% timer capture and timer compare (compare against a timer and set a bit on) cluster = 512 bytes FAT single link list where stored the next cluster of a file 0xffff is the end of file marker