参数资料
型号: DS1877T+T&R
厂商: Maxim Integrated Products
文件页数: 44/65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
49
Maxim Integrated
SFP Controller for Dual Rx Interface
DS1877
Table 02h, Register 8Eh: RIGHT-SHIFT2 (RSHIFT2)
Table 02h, Register 8Fh: RIGHT-SHIFT1 (RSHIFT1)
Table 02h, Register 90h
–91h: RESERVED
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
WRITE ACCESS
PW2 or (PW1 and RWTBL2)
A2h AND B2h MEMORY
Common A2h and B2h memory locations
MEMORY TYPE
Nonvolatile (SEE)
8Eh
RESERVED
RSSI2C2
RSSI2C1
RSSI2C0
RESERVED
RSSI2F2
RSSI2F1
RSSI2F0
BIT 7
BIT 0
Allows for right-shifting the final answer of RSSI2 COARSE and RSSI2 FINE. This allows for scaling the measurement to
the smallest full-scale voltage and then right-shifting the final result so the reading is weighted to the correct LSB.
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
WRITE ACCESS
PW2 or (PW1 and RWTBL2)
A2h AND B2h MEMORY
Common A2h and B2h memory locations
MEMORY TYPE
Nonvolatile (SEE)
8Fh
RESERVED
RSSI1C2
RSSI1C1
RSSI1C0
RESERVED
RSSI1F2
RSSI1F1
RSSI1F0
BIT 7
BIT 0
Allows for right-shifting the final answer of RSSI1 COARSE and RSSI1 FINE. This allows for scaling the measure-
ments to the smallest full-scale voltage and then right-shifting the final result so the reading is weighted to the cor-
rect LSB.
FACTORY DEFAULT
00h
READ ACCESS
N/A
WRITE ACCESS
N/A
A2h AND B2h MEMORY
N/A
MEMORY TYPE
N/A
These registers are reserved.
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