BL702/704/706 Reference Manual
• Support CRC generation and verification
• Data frame preamble generation and removal
• When sending, automatically expand short data frames
• Detect too long or too short data frame (length limit)
• Can transmit long data frames (> standard Ethernet frame length)
• Automatically discard packets that exceed the number of retransmissions or the frame gap is too small
• Broadcast packet filtering
• Internal RAM for storing up to 128 BD (Buffer Descriptor)
• Various event flags sent/received
• Generate a corresponding interrupt when an event occurs
17.3 Emac function description
The composition of the EMAC module is shown in the figure below.
BL702/704/706 Reference Manual 290/ 375
@2021 Bouffalo Lab
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