SI3056-D-FSR Silicon Laboratories Inc, SI3056-D-FSR Datasheet - Page 63

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SI3056-D-FSR

Manufacturer Part Number
SI3056-D-FSR
Description
Modem Chip Chipset 56Kbps 16-Pin SOIC T/R
Manufacturer
Silicon Laboratories Inc
Datasheet

Specifications of SI3056-D-FSR

Package
16SOIC
Main Category
Chipset
Maximum Data Rate
56 Kbps
Typical Operating Supply Voltage
3.3 V
Power Supply Type
Analog
Typical Supply Current
15 mA
Minimum Operating Supply Voltage
3 V
Maximum Operating Supply Voltage
3.6 V
Lead Free Status / RoHS Status
Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SI3056-D-FSR
Manufacturer:
DSC
Quantity:
1 200
Register 19. International Control 4
Reset settings = 0000_0000
Bit
7:3
Name
Type
2
1
0
Bit
Reserved Read returns zero.
Name
DOD
OPD
OVL
D7
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.
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.
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
0
0
1
1
D6
ILIM
D5
1
0
1
0
Overcurrent Threshold
D4
160 mA
160 mA
60 mA
60 mA
D3
Rev. 1.05
OVL
D2
R
Function
DOD
Overcurrent Status
An overcurrent condition has been detected
No overcurrent condition exists
An overcurrent condition has been detected
No overcurrent condition exists
D1
R
OPD
D0
R
Si3018/19/10
63

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