DS1862B+ Maxim Integrated Products, DS1862B+ Datasheet - Page 30

• Manufacturer Part Number: DS1862B+
• Description: IC LASR CTRLR 7CHAN 5.5V 25CSBGA
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Controller (Fiber Optic)r

Specifications of DS1862B+

• Data Rate: 10Gbps
• Number Of Channels: 7
• Voltage - Supply: 2.9 V ~ 5.5 V
• Current - Supply: 3mA
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 25-CSBGA
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

XFP Laser Control and Digital Diagnostic IC
Conventions
Name of Row
Lower Memory
00h
01h
02h → 39h
3Ah, 3Bh
46h → 4Fh
50h → 57h
58h → 5Fh
60h → 6Dh
Monitor Values ...........................<R-all/W-all><Volatile><xxxx> These registers are internally updated with the
6Eh
GCS1 .........................................<R-all/W-all><Volatile><xx> These are nonlatched flags, indicating the real-time
30
BYTE
(hex)
ADDRESS
80
82
87
80–87
(hex)
• Name of Byte ...................<Read/Write><Volatile><Power-On Value>
• Name of Byte ...................<Read/Write><Nonvolatile><Factory-Default Setting>
• Name of Byte ...................<Read/Write><Shadowed Nonvolatile><Factory-Default Setting>
• Name of Byte ...................<Read/Write><Status><Power-On Value>
• USER EE ..........................<R-all/W-all><Shadowed Nonvolatile><00>
• Signal Condition ...............<R-all/W-all><Volatile><00> Bit 0 can only be written if Table 01h, Byte DDh, bit
• Alarms and Warnings ......<R-all/W-Module><Shadowed Nonvolatile><Note*> These registers set the 16-bit
• USER EE ..........................<R-all/W-all><Shadowed Nonvolatile><00>
• USER SRAM .....................<R-all/W-all><Volatile><00>
• Latched Flags ..................<R-all/clear-all><Volatile><00> These are latched flags for corresponding signals.
• Masks ...............................<R-all/W-all><Nonvolatile><00> These mask bits internally block the signals that
____________________________________________________________________
DS60 SCALE
LM50 SCALE
V
BYTE/WORD
THRSET_VALUE
NAME
Byte 0/8
DS60 SCALE
WORD 0
<5>
<5>
Byte 1/9
bit
2
2
15
15
15
Bit7
2
7
bit
2
2
<0> is high. Bits <2:1> control EN2 and EN1, respectively.
threshold level for corresponding monitor channels. *Note: High alarm and warnings
factory default to FFFFh, and low alarm shut warnings default to 0000h.
Any flag is cleared by simply reading it.
drive the INTERRUPT pin. A low setting causes the corresponding monitor channel
to drive the INTERRUPT pin.
monitor channel’s digital result. They can be read as left-justified 16-bit values.
digital state of a corresponding signal as well as control bits for particular functions.
14
14
14
Byte 2/A
bit
2
2
TABLE 05h (OPTIONAL OFFSETS AND THRSET)
13
13
13
Bit6
LM50 SCALE
2
6
bit
WORD 1
2
2
12
12
12
Byte 3/B
bit
2
2
11
11
EXPANDED BYTES
11
Bit5
2
5
bit
2
2
10
10
10
bit
2
2
Reserved
Byte 4/C
9
9
9
Bit4
2
4
bit
WORD 2
2
2
8
8
Detailed Register Description
8
bit
2
2
Reserved
Byte 5/D
7
7
7
Bit3
2
3
bit
2
2
6
6
6
bit
2
2
5
5
5
Bit2
2
Reserved
Byte 6/E
2
bit
2
2
4
4
4
bit
2
2
WORD 3
3
3
3
Bit1
2
V
1
THRSET_VALUE <1>
bit
2
2
2
2
2
Byte 7/F
bit
2
2
1
1
Bit0
1
2
0
bit
2
2
0
0
0