参数资料
型号: DS1877T+T&R
厂商: Maxim Integrated Products
文件页数: 48/65页
文件大小: 0K
描述: IC CTLR/MON SFP 1-2CH 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: SFP+ 控制器
输入类型: 逻辑
输出类型: 逻辑
接口: I²C
电流 - 电源: 2.5mA
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)
其它名称: 90-1877T+TRL
52
Maxim Integrated
SFP Controller for Dual Rx Interface
DS1877
Table 02h, Register B4h
–B7h: PW2
Table 02h, Register B0h
–B3h: PW1
FACTORY DEFAULT
FFFF FFFFh
READ ACCESS
N/A
WRITE ACCESS
PW2 or (PW1 and WPW1)
MEMORY TYPE
Nonvolatile (SEE)
B0h
231
230
229
228
227
226
225
224
B1h
223
222
221
220
219
218
217
216
B2h
215
214
213
212
211
210
29
28
B3h
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 PW1 access. At power-on, the
PWE value is set to all ones. Thus, writing these bytes to all ones grants PW1 access on power-on without writing
the password entry. All reads of this register are 00h.
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.
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