BBT3821 Datasheet, PDF (18/75 Pages) Intersil Corporation – Octal 2.488Gbps to 3.187Gbps/ Lane Retimer

REG.
4.C00Ah.
3:0
PHY XS
LOS
(SIG DET)
FIGURE 5. LASI EQUIVALENT SCHEMATIC
(See Also Figure 4)
OPTX
LBC
OPT
TEMP
OPTX
LOP
TX_
FAULT
REG 1.C01Dh.2:0
ALARM PIN POLARITY
REG
1.C012h.13
POLARITY
REG.
4.24.3:0
PHY XS
BYTE
SYNCH
REG.
4.C007h.
11:8
REG.
4.C007h.
7:4
PHY XS
FIFO
ERROR
PHY XS
CODE
ERROR
See IEEE
REG 1.9005h[3:0]
LASI STATUS
REG. 3.24.12
REG. 1.10.0
REG. 4.24.12
LINK
STATUS
Clear on Read of 1.9005
TX_FLAG
Clock on
any
change
D
Q
LS_ALARM
CLK
CLR
REG 1.9006h[7:0]
TX_FLAG CONTROL
REG 1.A070h[7:0]
TX_FLAG
LS ALARM
Masked
Clear on read
REGISTER 1.9004h.[10:0] TX_ALARM_STATUS
Latch on high
REGISTER 1.9001h[10:0] TX_ALARM CONTROL
REGISTER 1.9000h[6:0] RX_ALARM CONTROL
Clear on read
REGISTER 1.9003h.[6:0] RX_ALARM_STATUS
Latch on high
PCS
BYTE
SYNCH
REG
3.24
[3:0]
PCS
CODE
ERROR
PCS
FIFO
ERROR
REG 1.C012h.[12:8]
GPIO POLARITY
GPIO
[4:0]
REG
1.C01Dh.3
OPRX
OP
REG.
3.C007h.
7:4
REG.
3.C007h.
11:8
REG 1.C012h.[4:0]
GPIO-LASI EN
Latch
hi
RX_FLAG
TX_ALARM
RX_ALARM
TX ALARM
Masked
RX ALARM
Masked
GPIO->LASI
GPIO
ALARM
Masked
REG 1.9002h[3:0]
LASI CONTROL
REG 1.9007h[7:6]
RX_FLAG CONTROL
REG 1.A074h[7:6]
RX_FLAG
LASI
LX4
Selector for
CX4
CX4 vs LX4
LASI
External Pad
Legend