参数资料
型号: DS1865T+T&R
厂商: Maxim Integrated Products
文件页数: 41/67页
文件大小: 0K
描述: IC PON CONTROL TRI 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: *
类型: *
应用: *
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
DS1865
PON Triplexer Control and
Monitoring Circuit
46
____________________________________________________________________
Table 02h, Register 81h: Tindex
POWER-ON VALUE
00h
READ ACCESS
PW2
WRITE ACCESS
PW2 and (AEN = 0)
MEMORY TYPE
Volatile
81h
2
7
2
6
2
5
2
4
2
3
2
1
2
0
bit7
bit0
Holds the calculated index based on the Temperature Measurement. This index is used for the address during lookup of tables 04h
and 05h. Temperature measurements below -40°C or above 102°C are clamped to 00h and C7h, respectively. The calculation of
Tindex is as follows:
Table 02h, Register 82h: MOD DAC
POWER-ON VALUE
00h
READ ACCESS
PW2
WRITE ACCESS
PW2 and (MOD-EN = 0)
MEMORY TYPE
Volatile
82h
2
7
2
6
2
5
2
4
2
3
2
1
2
0
bit7
bit0
The digital value used for MOD and recalled from Table 04h at the adjusted memory address is found in Tindex. (R.O.)
This register is updated at the end of every temperature conversion.
For the two temperature-indexed LUTs, the index used during the lookup function for each table is as follows:
Table 04h MOD
1
Tindex
6
Tindex
5
Tindex
4
Tindex
3
Tindex
2
Tindex
1
Tindex
0
Table 05h APC
1
0
Tindex
6
Tindex
5
Tindex
4
Tindex
3
Tindex
2
Tindex
1
Tindex
Temp
C
h
=
°
+
40
2
80
Table 02h, Register 83h: APC DAC
POWER-ON VALUE
00h
READ ACCESS
PW2
WRITE ACCESS
PW2 and (APC-EN = 0)
MEMORY TYPE
Volatile
83h
2
7
2
6
2
5
2
4
2
3
2
1
2
0
bit7
bit0
The digital value used for APC reference and recalled from Table 05h at the adjusted memory address found in Tindex. (R.O.)
This register is updated at the end of the temperature conversion.
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