Bouffalo Lab BL702 - Page 302

BL702/704/706 Reference Manual
Bits
Name Type Reset Description
23 RSVD
22:16 TXBDPTR R 7’h0 TX buffer descriptors (BD) pointer, pointing at the TXBD
currently being used
15:8 RSVD
7:0 TXBDNUM R/W 8’h40 TX buffer descriptors (BD) number
Number of TX BD. TX and RX share 128 (0x80) descriptors,
so the number of RX BD equals 0x80 - TXBDNUM.
The maximum number of TXBDNUM is 0x80. Values
greater then 0x80 cannot be written into this register.
17.8.8 MIIMODE
Address：0x4000d028
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
RSVD
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RSVD MINO
PRE
CLKDIV
Bits
Name Type Reset Description
31:9 RSVD
8 MINOPRE R/W 1’b0 No preamble for Management Data (MD)
0: 32-bit preamble will be sent.
1: No preamble will be sent.
7:0 CLKDIV R/W 8’h64 Clock divider for Management Data Clock (MDC)
The source clock is bus clock and can be divided by any
even number.
BL702/704/706 Reference Manual 302/ 375
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