Datasheet

DS1886
SFP and PON ONU Controller
with Digital LDD Interface
80Maxim Integrated
A2h Table 02h, Register E5h: TXCTRL2
A2h Table 02h, Register E6h: TXCTRL3
A2h Table 02h, Register E7h: TXCTRL4
FACTORY DEFAULT 00h
READ ACCESS PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
WRITE ACCESS PW2 or (PW1 and RWTBL246)
MEMORY TYPE Nonvolatile (SEE)
E5h 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7 BIT 0
A 3-wire slave register. After either V
CC
exceeds POA (after a POR event), a Maxim laser driver TX_POR bit is
set high (visible in 3-wire TXSTAT1 bit 7), or on a rising edge of TXD, this value is written to a Maxim laser driver
through the 3-wire interface.
FACTORY DEFAULT 00h
READ ACCESS PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
WRITE ACCESS PW2 or (PW1 and RWTBL246)
MEMORY TYPE Nonvolatile (SEE)
E6h 2
7
2
6
2
5
2
4
2
3
POW_LEV_INIT 2
0
BIT 7 BIT 0
A 3-wire slave register. After either V
CC
exceeds POA (after a POR event), a Maxim laser driver TX_POR bit is
set high (visible in 3-wire TXSTAT1 bit 7), or on a rising edge of TXD, this value is written to a Maxim laser driver
through the 3-wire interface. For bits 2:1, see the POW_LEV[1:0] bits in A2h Lower Memory, Register 6Fh and
Table 11a and Table 11b.
FACTORY DEFAULT 00h
READ ACCESS PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
WRITE ACCESS PW2 or (PW1 and RWTBL246)
MEMORY TYPE Nonvolatile (SEE)
E7h 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7 BIT 0
A 3-wire slave register. After either V
CC
exceeds POA (after a POR event), a Maxim laser driver TX_POR bit is
set high (visible in 3-wire TXSTAT1 bit 7), or on a rising edge of TXD, this value is written to a Maxim laser driver
through the 3-wire interface.