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参数资料
型号： DS1878T+
厂商： Maxim Integrated Products
文件页数： 95/101页
文件大小： 0K
描述： IC CTLR SFP W/DGTL LDD RX 28TQFN
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 60
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： 托盘
DS1878
SFP+ Controller with Digital LDD Interface
______________________________________________________________________________________
93
Table 02h, Register F7h: 3WSET
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
WRITE ACCESS
PW2 or (PW1 and RWTBL246)
MEMORY TYPE
Nonvolatile (SEE)
F7h
RESERVED
TXPORDIS
EXCTRL1
EXCTRL2
BIT 7
BIT 0
BITS 7:3
RESERVED
BIT 2
TXPORDIS: Transmit POR Disable.
0 = The 3-wire interface monitors the TXPOR bit in the laser driver’s TXSTAT1 register.
1 = The 3-wire interface ignores the TXPOR bit in the laser driver’s TXSTAT1 register.
BITS 1:0
EXCTRL[1:0]: Extra 3-Wire Control Register Selection. Used to enable/disable the 3-wire registers.
00 = SETTXEQ and SETLOSTIMER are enabled.
01 = Device mode. SETTEXEQ, SETLOSTIMER, RXCTRL3, TXCTRL2, and TXCTRL3 are disabled.
10 = SETTXEQ, SETLOSTIMER, and RXCTRL3 are enabled.
11 = SETTXEQ, SETLOSTIMER, RXCTRL3, TXCTRL2, and TXCTRL3 are enabled.
Table 02h, Register F8h: 3WCTRL
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
WRITE ACCESS
PW2 or (PW1 and RWTBL246)
MEMORY TYPE
Volatile
F8h
RESERVED
3WRW
3WDIS
BIT 7
BIT 0
BITS 7:2
RESERVED
BIT 1
3WRW: Initiates a 3-wire write or read operation. The write command uses the memory address
found in the 3-wire ADDRESS register (Table 02h, Register F9h) and the data from the 3-wire WRITE
register (Table 02h, Register FAh). This bit clears itself at the completion of the write operation.
The read command uses the memory address found in the 3-wire ADDRESS register (Table 02h,
Register F9h). The address determines whether a read or write operation is to be performed. This
bit clears itself at the completion of the read operation.
0 = (Default) Reads back as 0 when the write or read operation is completed.
1 = Initiates a 3-wire write or read operation.
BIT 0
3WDIS: Disables all automatic communication across the 3-wire interface. This includes all
updates from the LUTs, APC loop, and status registers. The only 3-wire communication is with the
manual mode of operation.
0 = (Default) Automatic communication is enabled.
1 = Disables automatic communication.
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相关代理商/技术参数
参数描述
DS1878T TR 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:SFP+ Controller with Digital LDD Interface
DS1878T+ 功能描述:ADC / DAC多通道 SFP+ Controller w/ MAX3946&3945 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
DS1878T+T 功能描述:ADC / DAC多通道 SFP+ Controller w/ MAX3946&3945 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
DS1878T+T&R 制造商:Maxim Integrated Products 功能描述:IC CTLR SFP W/DGTL LDD RX 28TQFN
DS1878T+T&R 功能描述:ADC / DAC多通道 SFP+ Controller w/ MAX3946&3945 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
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