參數(shù)資料
型號(hào): DS1884T+T
廠商: Maxim Integrated Products
文件頁數(shù): 59/92頁
文件大?。?/td> 0K
描述: IC SFP PON ONU CTRLR 24TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
產(chǎn)品變化通告: DS1884 Series Discontinuation 03/Aug/2012
標(biāo)準(zhǔn)包裝: 2,500
系列: *
DS1884
SFP and PON ONU Controller
with Digital LDD Interface
62
Maxim Integrated
A2h Table 02h, Register 85h: APC VALUE
A2h Table 02h, Register 86h–87h: SET_IBIAS VALUE
A2h Table 02h, Register 88h: DACFS
FACTORY DEFAULT
0000h
READ ACCESS
PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
WRITE ACCESS
(PW2 and APC LUT EN = 0) or (PW1 and RWTBL246 and APC LUT EN = 0)
MEMORY TYPE
Volatile
85h
27
26
25
24
23
22
21
20
BIT 7
BIT 0
The digital value used for APC and recalled from A2h Table 06h in the APC and dual-closed-loop mode at the
adjusted memory address found in TINDEX. This register is updated at the end of the temperature conversion.
FACTORY DEFAULT
0000h
READ ACCESS
PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
WRITE ACCESS
(PW2 and APC LUT EN = 0) or (PW1 and RWTBL246 and APC LUT EN = 0)
MEMORY TYPE
Volatile
86h
0
29
28
87h
27
26
25
24
23
22
21
20
BIT 7
BIT 0
The digital value used for BIAS and recalled from A2h Table 06h in the open-loop mode at the adjusted memory
address found in TINDEX. This register is updated at the end of the temperature conversion.
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
WRITE ACCESS
PW2 or (PW1 and RWTBL246)
MEMORY TYPE
Nonvolatile (SEE)
88h
29
28
27
26
25
24
23
22
BIT 7
BIT 0
DACFS sets the slope of the DAC’s temperature compensation. In conjunction with DAC OFFSET and TINDEX,
this allows the DAC to create an output that is linearly dependent on temperature. For further details see the Delta-
Sigma Output and Reference section.
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