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参数资料
| 型号： | DS1877T+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 38/65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 |
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43
Maxim Integrated
SFP Controller for Dual Rx Interface
DS1877
Table 01h, Register FDh
–FFh: RESERVED
Table 02h Register Descriptions
Table 02h, Register 80h: MODE
POWER-ON VALUE
00h
READ ACCESS
N/A
WRITE ACCESS
N/A
A2h AND B2h MEMORY
N/A
MEMORY TYPE
N/A
These registers are reserved.
POWER-ON VALUE
7Fh
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
Volatile
80h
SEEB
DAC2EN
RESERVED
AEN
DAC1EN
RESERVED
BIT 7
BIT 0
BIT 7
SEEB:
0 = (default) Enables EEPROM writes to SEE bytes.
1 = Disables EEPROM writes to SEE bytes during configuration, so that the configuration of the part
is not delayed by the EE cycle time. Once the values are known, write this bit to a 0 and write the
SEE locations again for data to be written to the EEPROM.
BIT 6
DAC2EN:
0 = DAC2 VALUE is writable by the user and the LUT recalls are disabled. This allows users to
interactively test their modules by writing the values for DAC2. The output is updated with the new
value at the end of the write cycle. The I2C STOP condition is the end of the write cycle.
1 = (default) Enables automatic control of the LUT for DAC2 VALUE.
BITS 5, 4,
1, 0
RESERVED
BIT 3
AEN:
0 = The temperature-calculated index value TINDEX is writable by the user and the updates of cal-
culated indexes are disabled. This allows the user to interactively test the modules by controlling
the indexing for the LUTs. The recalled values from the LUTs appear in the DAC registers after the
next completion of a temperature conversion.
1 = (default) The temperature-calculated index value TINDEX is used to control the LUTs.
BIT 2
DAC1EN:
0 = DAC1 VALUE is writable by the user and the LUT recalls are disabled. This allows the user to
interactively test their modules by writing the values for DAC1. The output is updated with the new
value at the end of the write cycle. The I2C STOP condition is the end of the write cycle.
1 = (default) Enables automatic control of the LUT for DAC1 VALUE.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1878 | 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 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 |
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