BMAC counters & registers
MEMADD: 0x000000
MEMDATAHI: 0x000000
MEMDATALO: 0x000000
TXPNTR: 0x00041c
RXPNTR: 0x000017
IPG1: 0x000008
IPG2: 0x000004
ALIMIT: 0x000010
SLOT: 0x000040
PALEN: 0x000007
PAPAT: 0x0000aa
TXSFD: 0x0000ab
JAM: 0x000004
TXCFG: 0x000001
TXMAX: 0x0005ee
TXMIN: 0x000040
PAREG: 0x00000f
DCNT: 0x000e71
NCCNT: 0x0000e2
NTCNT: 0x000050
EXCNT: 0x000004
LTCNT: 0x000000
TXSM: 0x000010
RXCFG: 0x000b01
RXMAX: 0x0005ee
RXMIN: 0x000040
FRCNT: 0x0036c8
AECNT: 0x000000
FECNT: 0x000000
RXSM: 0x000002
RXCV: 0x000000
