参数资料
型号: DS1875T+T&R
厂商: Maxim Integrated Products
文件页数: 60/92页
文件大小: 0K
描述: IC SFP CTRLR/TRIPLEXER 38-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 光纤
接口: I²C
电源电压: 2.85 V ~ 3.9 V
封装/外壳: 38-WFQFN 裸露焊盘
供应商设备封装: 38-TQFN(5x7)
包装: 带卷 (TR)
安装类型: 表面贴装
DS1875
Table 02h, Register 83h: APC DAC
FACTORY DEFAULT
00h
READ ACCESS
PW2
WRITE ACCESS
PW2 and APC EN = 0
MEMORY TYPE
Volatile
83h
27
26
25
24
23
22
21
20
BIT 7
BIT 0
The digital value used for APC reference and recalled from Table 05h at the adjusted memory address found in
TINDEX. This register is updated at the end of the temperature conversion.
VBMD
=
Full Scale
255
APC DAC
Table 02h, Register 84h: Voltage Index (VINDEX)
FACTORY DEFAULT
00h
READ ACCESS
PW2
WRITE ACCESS
PW2 and AEN = 0
MEMORY TYPE
Volatile
84h
27
26
25
24
23
22
21
20
BIT 7
BIT 0
Holds the calculated index based on the MON4 voltage measurement. This index is used for the address during
lookup of Table 06h. M4DAC LUT is 32 bytes from address 80h to 9Fh. The calculation of VINDEX is as follows:
VINDEX
=
MON4
800h
+ 80h
When configured as a single LUT, all 32 bytes are used for lookup.
When configured as a double LUT, the first 16 bytes (80h to 8Fh) form the lower LUT and the last 16 bytes (90h to
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
VINDEX4
VINDEX3
VINDEX2
VINDEX1
VINDEX0
Double/Lower
1
0
VINDEX4
VINDEX3
VINDEX2
VINDEX1
Double/Upper
1
0
1
VINDEX4
VINDEX3
VINDEX2
VINDEX1
PON Triplexer and SFP Controller
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