ADDR = 0x188: Transmit SAPI LSB / Spare Byte
Bit 7
Bit 6
Bit name TX_SAPI_L_SPARE[7:0]
R/W
R/W
Value
0x01
after
reset
Bits 7-0: TX_SAPI_L_SPARE[7:0] is the LSB of the SAPI field in LAPS mode and the spare field byte in
GFP frame. In LAPS mode it is sent as part of the header unless the TX_SAPI_INH bit is set. In
GFP mode it is part of the extended header and is sent if TX_EXT_HDR_INH is not set.
ADDR = 0x189: Transmit SAPI MSB
Bit 7
Bit 6
Bit name TX_SAPI_H[7:0]
R/W
R/W
Value
0xFE
after
reset
Bits 7-0: TX_SAPI_H[7:0] is the MSB of the SAPI field in the LAPS header. It is inhibited by the
TX_SAPI_INH bit.
83
Bit 5
Bit 4
Bit 5
Bit 4
Bit 3
Bit 2
Bit 3
Bit 2
Bit 1
Bit 0
Bit 1
Bit 0