User Manual

DS1862
XFP Laser Control and Digital Diagnostic IC
26 ____________________________________________________________________
LOWER MEMORY (00H–7FH)
WORD 0 WORD 1 WORD 2 WORD 3
A D DR ESS
( h ex )
BYTE 0/8 BYTE 1/9 BYTE 2/A BYTE 3/B
BYTE 4/C
BYTE 5/D BYTE 6/E
BYTE 7/F
00
<0,2>
EE Signal Cond Temp Alarm Hi Temp Alarm Lo Temp Warn Hi
08
<2>
Temp Warn Lo V
CC3
Alarm Hi* V
CC3
Alarm Lo* V
CC3
Warn Hi*
10
<2>
V
CC3
Warn Lo* Bias Alarm Hi Bias Alarm Lo Bias Warn Hi
18
<2>
Bias Warn Lo TX-P Alarm Hi TX-P Alarm Lo TX-P Warn Hi
20
<2>
TX-P Warn Lo RX-P Alarm Hi RX-P Alarm Lo RX-P Warn Hi
28
<2>
RX-P Warn Lo Aux1 Alarm Hi Aux1 Alarm Lo Aux1 Warn Hi
30
<2>
Aux1 Warn Lo Aux2 Alarm Hi Aux2 Alarm Lo Aux2 Warn Hi
38
<0,2>
Aux2 Warn Lo EE EE
Reserved
Reserved Reserved Reserved
40
<1>
Reserved Reserved Reserved Reserved
Reserved
Reserved SRAM SRAM
48
<1>
SRAM SRAM SRAM SRAM SRAM SRAM SRAM SRAM
50
<1>
Temp/Res/Bias/
TxP Alarm
RxP/Aux1/Aux2/
Res Alarm
Temp/Res/Bias/
TxP Warn
RxP/Aux1/Aux2/
Res Warn
Tx/Rx Misc
Flags
Apd/Tec/
Wave/Res Flags
V
CC5/3/2
Vee
Alarm Flags
V
CC5/3/2
Vee
Warn Flags
58
<1>
Temp/Res/Bias/
TxP Mask
RxP/Aux1/Aux2/
Res Mask
Temp/Res/Bias/
TxP Mask
RxP/Aux1/Aux2/
Res Mask
Rx/Rx Misc
Mask
Apd/Tec/Wave/
Res Mask
V
CC5/3/2/
Vee
Alarm Mask
V
CC5/3/2
/Vee
Warn Mask
60
<1>
Temp Value V
CC2/3
Value* Bias Value TX-P Value
68
<1>
RX-P Value Aux1 Value Aux2 Value GCS1 GCS0
70
<0,1>
Reserved Reserved Reserved Reserved POA Reserved PEC_EN Host PW
78
<0,1>
Host PW Host PW Host PW PWE (MSB) PWE (LSB)
Table Select
EXPANDED BYTES
Bit7 Bit6* Bit5 Bit4 Bit3 Bit2 Bit1 Bit0**
BYTE
(hex)
BYTE/WORD
NAME
bit
15
bit
14
bit
13
bit
12
bit
11
bit
10
bit
9
bit
8
bit
7
bit
6
bit
5
bit
4
bit
3
bit
2
bit
1
bit
0
01 Signal Cond
<1>
EE EE EE EE EE
EN2 Value EN1 Value
Lock-T1-221
50
<1>
L-HI-TEMP-
AL
L-LO-TEMP-
AL
Reserved Reserved L-HI-BIAS-AL
L-LO-BIAS-
AL
L-HI-TX-P-AL
L-LO-TX-
P-AL
51
<1>
L-HI-RX-P-AL
L-LO-RX-P-
AL
L-HI-AUX1-
AL
L-LO-AUX1-
AL
L-HI-AUX2-
AL
L-LO-AUX2-
AL
Reserved
Reserved
52
<1>
L-HI-TEMP-W
L-LO-TEMP-
W
Reserved Reserved L-HI-BIAS-W L-LO-BIAS-W L-HI-TX-P-W
L-LO-TX-P-W
53
<1>
L-HI-RX-P-W L-LO-RX-P-W L-HI-AUX1-W
L-LO-AUX1-
W
L-HI-AUX2-W
L-LO-AUX2-
W
Reserved
Reserved
54
<1>
L-TX-NR L-TX-F
L-TX-CDR-NL L-RX-NR L-RX-LOS L-RX-CDR-NL L-MOD-NR
L-RESET-
DONE
55
<1>
L-APD-SUP-F
L-TEC-F
L-WAVE-NL Reserved Reserved Reserved Reserved
Reserved
56
<1>
L-HI-V
CC5
-AL
L-LO–V
CC5-
AL
L-HI-V
CC3
-AL
L-LO–V
CC3
-
AL
L-HI-V
CC2
-AL
L-LO–V
CC2-
AL
L-HI-V
EE5
-AL
L-LO-V
EE5
-
AL
*V
CC2/3
are in reserved locations.