参数资料
型号: DS1878T+T&R
厂商: Maxim Integrated Products
文件页数: 46/101页
文件大小: 0K
描述: IC CTLR SFP W/DGTL LDD RX 28TQFN
标准包装: 2,500
类型: SFP+ 控制器
输入类型: 模拟,数字
输出类型: 数字
接口: I²C,LDD,串行
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)
DS1878
SFP+ Controller with Digital LDD Interface
______________________________________________________________________________________
49
POWER-ON VALUE
00h
READ ACCESS
All
WRITE ACCESS
N/A
MEMORY TYPE
Volatile
73h
LOS HI
LOS LO
RESERVED
BIAS MAX
RESERVED
BIT 7
BIT 0
BIT 7
LOS HI: High-Alarm Status for MON3; Fast Comparison. A TXD event does not clear this alarm.
0 = (Default) At POR, this is the state if the last comparison was below the HLOS threshold setting. See
the description of the set condition to determine what causes LOS HI to be reset.
1 = Last comparison was above the HLOS threshold setting. LOS HI stays set until the time MON3 goes
below the LLOS level, or a POR to the device causes LOS HI to reset if it is below the HLOS threshold.
BIT 6
LOS LO: Low-Alarm Status for MON3; Fast Comparison. A TXD event does not clear this alarm.
0 = (Default) At POR, this is the state if the last comparison was above the LLOS threshold setting. See
the description of the set condition to determine what causes LOS LO to be reset.
1 = Last comparison was below the LLOS threshold setting. LOS LO stays set until the time MON3 goes
above the HLOS level, or a POR to the device causes LOS LO to reset if it is below the LLOS threshold.
BITS 5:4
RESERVED
BIT 3
BIAS MAX: Alarm status for maximum digital setting of BIAS. A TXD event clears this alarm.
0 = (Default) The value for BIAS is equal to or below the IBIASMAX register.
1 = Requested value for BIAS is greater than the IBIASMAX register.
BITS 2:0
RESERVED
Lower Memory, Register 73h: ALARM0
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