參數(shù)資料
型號(hào): DS1878T+T&R
廠商: Maxim Integrated Products
文件頁數(shù): 99/101頁
文件大?。?/td> 0K
描述: IC CTLR SFP W/DGTL LDD RX 28TQFN
標(biāo)準(zhǔn)包裝: 2,500
類型: SFP+ 控制器
輸入類型: 模擬,數(shù)字
輸出類型: 數(shù)字
接口: I²C,LDD,串行
電流 - 電源: 2.5mA
安裝類型: 表面貼裝
封裝/外殼: 28-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(5x5)
包裝: 帶卷 (TR)
DS1878
SFP+ Controller with Digital LDD Interface
______________________________________________________________________________________
97
Table 06h Register Descriptions
Table 06h, Register 80h–A3h: APC LUT
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
WRITE ACCESS
PW2 or (PW1 and RWTBL246)
MEMORY TYPE
Nonvolatile (EE)
80h–A3h
27
26
25
24
23
22
21
20
BIT 7
BIT 0
The APC LUT is a 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 B9h)
determine the set point for the APC loop. The temperature measurement is used to index the LUT (TINDEX, Table
02h, Register 81h) in 4°C increments from -40°C to +100°C, starting at Register 80h. Register 80h defines the
-40°C to -36°C APC reference value, Register 81h defines the -36°C to -32°C APC reference value, and so on.
Values recalled from this EEPROM memory table are written into the APC DAC (Table 02h, Register CDh)
location that holds the value until the next temperature conversion. The device can be placed into a manual
mode (APC EN bit, Table 02h, Register 80h), where the APC DAC can be directly controlled for calibration. If TE
temperature compensation is not required by the application, program the entire LUT to the desired APC set
point.
FACTORY DEFAULT
00h
READ ACCESS
N/A
WRITE ACCESS
N/A
MEMORY TYPE
Nonvolatile (EE)
These registers are reserved.
Table 06h, Register A4h–A7h: RESERVED
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