参数资料
型号: DS1876T+T&R
厂商: Maxim Integrated Products
文件页数: 51/69页
文件大小: 0K
描述: IC CTRLR SFP DUAL LDD 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: SFP 激光控制器
输入类型: 逻辑
输出类型: 逻辑
接口: I²C
电流 - 电源: 10mA
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)
55
Maxim Integrated
SFP Controller with Dual LDD Interface
DS1876
Table 02h, Register B4h–B7h: PW2
Table 02h, Register B8h: RESERVED
Table 02h, Register B9h: HBIAS2 DAC
FACTORY DEFAULT
FFFF FFFFh
READ ACCESS
N/A
WRITE ACCESS
PW2
MEMORY TYPE
Nonvolatile (SEE)
B4h
231
230
229
228
227
226
225
224
B5h
223
222
221
220
219
218
217
216
B6h
215
214
213
212
211
210
29
28
B7h
27
26
25
24
23
22
21
20
BIT 7
BIT 0
The PWE value is compared against the value written to this location to enable PW2 access. At power-on, the
PWE value is set to all ones. Thus, writing these bytes to all ones grants PW2 access on power-on without writing
the password entry. All reads of this register are 00h.
FACTORY DEFAULT
READ ACCESS
N/A
WRITE ACCESS
N/A
A2h AND B2h MEMORY
N/A
MEMORY TYPE
N/A
This register is reserved.
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
WRITE ACCESS
(PW2 and QT2EN = 0) or (PW1 and RWTBL2 and QT2EN = 0)
A2h AND B2h MEMORY
Common A2h and B2h memory location
MEMORY TYPE
Volatile
B9h
27
26
25
24
23
22
21
20
BIT 7
BIT 0
The digital value used for the HBIAS2 reference and recalled from Table 06h (Registers E0h–E7h) (transmitter 2) at
the adjusted memory address found in TINDEX. This register is updated at the end of the temperature conversion.
Comparisons greater than VHBIAS2 compared against VBMON2 create an HBAL alarm.
HBIAS2
Full Scale
V
HBIAS2 DAC
256
=
×
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