SI3215MDCQX-EVB Silicon Laboratories Inc, SI3215MDCQX-EVB Datasheet - Page 80
SI3215MDCQX-EVB
Manufacturer Part Number
SI3215MDCQX-EVB
Description
DAUGHTER CARD W/DISCRETE INTRFC
Manufacturer
Silicon Laboratories Inc
Series
ProSLIC®r
Datasheet
1.SI3215-B-FM.pdf
(118 pages)
Specifications of SI3215MDCQX-EVB
Main Purpose
Interface, Analog Front End (AFE)
Utilized Ic / Part
Si3215
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Si3215
Register 65. External Bipolar Transistor Control
Reset settings = 0110_0001
80
Name
Type
Bit
3:2
1:0
Bit
7
6
5
4
ETBO[1:0]
ETBA[1:0]
Reserved
Name
ETBE
D7
SQH
CBY
SQH
R/W
D6
Read returns zero.
Audio Squelch.
0 = No squelch.
1 = STIPAC and SRINGAC pins squelched.
Capacitor Bypass.
0 = Capacitors CP (C1) and CM (C2) in circuit.
1 = Capacitors CP (C1) and CM (C2) bypassed.
External Transistor Bias Enable.
0 = Bias disabled.
1 = Bias enabled.
External Transistor Bias Levels—On-Hook Transmission State.
DC bias current which flows through external BJTs in the on-hook transmission state.
Increasing this value increases the compliance of the ac longitudinal balance circuit.
00 = 4 mA
01 = 8 mA
10 = 12 mA
11 = Reserved
External Transistor Bias Levels—Active Off-Hook State.
DC bias current which flows through external BJTs in the active off-hook state. Increasing
this value increases the compliance of the ac longitudinal balance circuit.
00 = 4 mA
01 = 8 mA
10 = 12 mA
11 = Reserved
CBY
R/W
D5
ETBE
R/W
D4
Rev. 0.92
D3
ETBO[1:0]
R/W
Function
D2
D1
ETBA[1:0]
R/W
D0
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