SerDes PHY Register DefinitionsBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 • 5718-PG108-R Page 564
FXCONTROL3
Register Description: 100FX control register
Register Offset: 0x12 at Block 2
FXSTATUS1
Register Description: 100FX link status register
Register Offset: 0x13 at Block 2
Table 142: FXCONTROL3
Bits Name RW Description Default
15:7 RESERVED RW Reserved 0x000
6 FX100_BYPASS_NRZ RW 1 = Bypass NRZ encoder in 100FX mode
0 = Normal operation
0
5 FX100_BYPASS_ENCODER RW 1 = Bypass 4B5B encoder in 100FX mode
0 = Normal operation
0
4 FX100_BYPASS_ALIGNMEN
T
RW 1 = Bypass 5B code group alignment in 100FX
mode
0 = Normal operation
0
3 FX100_FORCE_LINK RW 1 = Force link in 100FX mode
0 = Normal operation
0
2 FX100_FORCE_LOCK RW 1 = Force lock in 100FX mode
0 = Normal operation
0
1 FX100_FAST_UNLOCK_TIM
ER
RW 1 = Speed up unlock timer in 100FX mode
0 = Normal operation
0
0 FX100_FAST_TIMER RW 1 = Speed up timer to acquire lock and link (test
vectors and simulation) in 100FX mode
0 = Normal operation
0
Table 143: FXSTATUS1
Bits Name RW Description Default
15:10 RESERVED RW Reserved 0x00
9 FX100_LINK_STATUS_CHG RO/LH 1 = 100-FX mode link status change since
last read
0 = 100-FX mode link status has not changed
since last read
0
8 FX100_BAD_ESD_DETECTED RO/LH 1 = 100-FX mode bad ESD error detected
since last read (premature end)
0 = No 100-FX mode bad ESD error detected
since last read
0