參數(shù)資料
型號: DS1865K
廠商: Maxim Integrated Products
文件頁數(shù): 42/67頁
文件大?。?/td> 0K
描述: KIT EVAL FOR DS1865
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
主要目的: 電信,無源光學網(wǎng)絡(luò)(PON)
已用 IC / 零件: DS1865
DS1865
PON Triplexer Control and
Monitoring Circuit
____________________________________________________________________
47
Table 02h, Register 84h: Vindex
FACTORY DEFAULT
00h
READ ACCESS
PW2
WRITE ACCESS
PW2 and (AEN = 0)
MEMORY TYPE
Volatile
84h
2
7
2
6
2
5
2
4
2
3
2
1
2
0
bit7
bit0
Holds the calculated index based on the MON4 voltage measurement. This index is used for the address during lookup of Table
06h. M4DAC LUT (Table 06h) is 32 bytes from address 80h to 9Fh. The calculation of Vindex is as follows:
Table 02h, Register 85h: M4DAC
FACTORY DEFAULT
00 00h
READ ACCESS
PW2
WRITE ACCESS
PW2 and (M4DAC-EN = 0)
MEMORY TYPE:
Volatile
85h
2
7
2
6
2
5
2
4
2
3
2
1
2
0
bit7
bit0
The digital value used for M4DAC and recalled from Table 06h at the adjusted memory address is found in Vindex. (R.O.)
This register is updated at the end of the MON4 conversion.
Table 02h, Register 86h: Device ID
FACTORY DEFAULT
65h
READ ACCESS
PW2
WRITE ACCESS
N/A
MEMORY TYPE
ROM
86h
01
100
101
bit7
bit0
Hardwired connections to show device ID.
When configured as a single LUT, all 32 bytes are used for lookup.
When configured as a double LUT, the first 16 bytes (80h-8Fh) form the lower LUT and the last 16 bytes (90h-9Fh) form the upper LUT.
For the three different modes, the index used during the lookup function of Table 06h is as follows:
Single
1
0
Vindex
4
Vindex
3
Vindex
2
Vindex
1
Vindex
0
Double / Lower
1
0
Vindex
4
Vindex
3
Vindex
2
Vindex
1
Double / Upper
1
0
1
Vindex
4
Vindex
3
Vindex
2
Vindex
1
Vindex
Mon
h
=+
4
800
80
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