Achronix Speedster22i 10G/40G/100G Ethernet - Manual (Page 20)

20 UG029, September 6, 2013
counter (FRC). Used for timestamping.
The value typically expresses nanoseconds within the
current one second interval, hence ranging from 0 to
10^9-1.
reg_ts_avail[11:0] Out
Per segment Register TS_TIMESTAMP contains new
data. The pin is the direct representation of the
STATUS.ts_avail register bit: It asserts when a new
timestamp is stored and it becomes deasserted when
writing the STATUS.ts_avail
bit with ‘1’.
MAC/PCS Status Indications
Table 11 – MAC/PCS Status Indications
(all synchronous to ref_clk)
Signal Name Mode Description
loc_fault[11:0] Out
Local fault state indication from MAC RS layer per
segment.
rem_fault[11:0] Out
Remote fault state indication from MAC RS layer per
segment.
block_lock[11:0] Out
Lane block lock indication (if 1). In 10G Mode and
SGMII PCS active it indicates proper sync to 10B
comma characters.
align_done[2:0] Out
Multi-lane alignment done indication. Relevant in
40G/100G mode only. Uses bits 0,1,2 when operating
in 40G mode for segments 0,4,8 respectively. Uses
bit 0 only when operating in 100G mode.
hi_ber[11:0] Out
High Bit Error rate indication from HIBER monitor for
each lane.