1.Yes, the interrupt is generated for each packet.
2.Yes, it needs to be set in the Endpoint Control Register to facilitate data transfer with the host.
3. The data can be present till an ACK is seen in the Endpoint Packet Status Register.
1. Can you explain for one complete Set_UP transfer using 8051 instructions.
2. Also, is ACK signal / packet sent by SL811HS automatically during an IN transaction or need to be handled in firmware by some instructions ?
3. How much duration should be between two transactions ?