DS1873T+ Maxim Integrated Products, DS1873T+ Datasheet - Page 72

• Manufacturer Part Number: DS1873T+
• Description: IC CTLR SFP+ ANLG LDD 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Controllerr

Specifications of DS1873T+

• Number Of Channels: 1
• Voltage - Supply: 2.85 V ~ 3.9 V
• Current - Supply: 2.5mA
• Operating Temperature: -40°C ~ 95°C
• Package / Case: 28-WFQFN Exposed Pad
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 90-1873T+000

Table 02h, Register C0h: PW_ENA
SFP+ Controller with Analog LDD Interface
72
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C0h
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
RWTBL78
BIT 7
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
RWTBL78: Tables 07h–08h
0 = (Default) Read and write access for PW2 only.
1 = Read and write access for both PW1 and PW2.
RWTBL1C: Table 01h or 05h bytes F8h–FFh. Table address is dependent on MASK bit (Table 02h,
Register 89h).
0 = (Default) Read and write access for PW2 only.
1 = Read and write access for both PW1 and PW2.
RWTBL2: Tables 02h. Writing a nonvolatile value to this bit requires PW2 access.
0 = (Default) Read and write access for PW2 only.
1 = Read and write access for both PW1 and PW2.
RWTBL1A: Table 01h, Registers 80h–BFh
0 = Read and write access for PW2 only.
1 = (Default) Read and write access for both PW1 and PW2.
RWTBL1B: Table 01h, Registers C0h–F7h
0 = (Default) Read and write access for PW2 only.
1 = Read and write access for both PW1 and PW2.
WLOWER: Bytes 00h–5Fh in main memory. All users can read this area.
0 = (Default) Write access for PW2 only.
1 = Write access for both PW1 and PW2.
WAUXA: Auxiliary Memory, Registers 00h–7Fh. All users can read this area.
0 = (Default) Write access for PW2 only.
1 = Write access for both PW1 and PW2.
WAUXB: Auxiliary Memory, Registers 80h–FFh. All users can read this area.
0 = (Default) Write access for PW2 only.
1 = Write access for both PW1 and PW2.
RWTBL1C
10h
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
PW2 or (PW1 and RWTBL2)
Nonvolatile (SEE)
RWTBL2
RWTBL1A
RWTBL1B
WLOWER
WAUXA
WAUXB
BIT 0