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參數(shù)資料
| 型號： | SI3056DC3-EVB |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 60/94頁 |
| 文件大小： | 0K |
| 描述： | DAUGHTERCARD DAA SI3056/SI3008 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 電信，數(shù)據(jù)采集裝置（DAA） |
| 已用 IC / 零件： | Si3056 |
| 已供物品： | 板，CD |
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Si3056
Si3018/19/10
Rev. 1.05
63
Reset settings = 0000_0000
Register 19. International Control 4
Bit
D7D6D5D4D3D2D1D0
Name
OVL
DOD
OPD
Type
RR
R
Bit
Name
Function
7:3
Reserved Read returns zero.
2OVL
Receive Overload Detect.
This bit has the same function as ROV in Register 17, but clears itself after the overload is
removed. See “5.18.Billing Tone Protection and Receive Overload” on page 31. This bit is
only masked by the off-hook counter and is not affected by the BTE bit.
0 = Normal receive input level.
1 = Excessive receive input level.
1DOD
Recal/Dropout Detect.
When the line-side device is off-hook, it is powered from the line itself. This bit will read 1
when loop current is not flowing. For example, if the line-derived power supply collapses, such
as when the line is disconnected, this bit is set to 1. Additionally, when on-hook and the line-
side device is enabled, this bit is set to 1.
0 = Normal operation.
1 = Line supply dropout detected when off-hook.
0OPD
Overload Protection Detect.
This bit is used to indicate that the DAA has detected a loop current overload. The detector fir-
ing threshold depends on the setting of the ILIM bit (Register 26).
OPD
ILIM
Overcurrent Threshold
Overcurrent Status
0
160 mA
No overcurrent condition exists
0
1
60 mA
No overcurrent condition exists
1
0
160 mA
An overcurrent condition has been detected
1
60 mA
An overcurrent condition has been detected
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|---|---|
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| SI3056-D-FSR | 功能描述:電信線路管理 IC Si3056 DAA System Side SSI Interface RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| SI3056-D-ZS3R | 制造商:Silicon Laboratories Inc 功能描述:MODEM CHIP CHIPSET 56KBPS - Tape and Reel |
| SI3056-F-FS | 制造商:Silicon Laboratories Inc 功能描述: |
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