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Burst-Mode PON Controller
With Integrated Monitoring
Table 05h, Register Descriptions
Table 05h, Register 80h to C7h: APC Tracking Error LUT
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE:
00h
PW2
PW2
Nonvolatile (EE)
2
80h-A3h
7
2 6
2 5
2 4
2 3
2 2
2 1
2 0
bit7
bit0
The Tracking Error LUT is set of registers assigned to hold the temperature profile for the APC reference DAC. The values in this
table combined with the APC bits in the Comp Ranging register (Table 02h, Register 8Dh) determine the set point for the APC loop.
The on board temperature measurement is used to index the LUT (T INDEX, Table 02h, Register 81h) in 4°C increments from -40°C
to +100°C, starting at register 80h in Table 05h. Register 80h defines the -40°C to -36°C APC reference value, register 81h defines
-36°C to -32°C APC reference value, and so on. Values recalled from this EEPROM memory table are written into the APC DAC
location, which holds the value until the next temperature conversion. The part can be placed into a manual mode (Apc_En bit,
Table 02h, Register 80h), where APC DAC can be directly controlled for calibration. If tracking error temperature compensation is
not required by the application, program the entire LUT to the APC set-point.
Table 05h, Register A3h to A7h: Reserved
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE:
These registers are reserved.
Package Information
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages .
PACKAGE TYPE
16 TSSOP
PACKAGE CODE
U16+1
DOCUMENT NO.
21-0066
____________________________________________________________________
61
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