SI3210-GTR Silicon Laboratories Inc, SI3210-GTR Datasheet - Page 32

• Manufacturer Part Number: SI3210-GTR
• Manufacturer: Silicon Laboratories Inc

Specifications of SI3210-GTR

• Lead Free Status / RoHS Status: Compliant

Si3210/Si3211
32
Note: The linefeed register (LF) is located in direct Register 64.
LF[2:0]*
Figure 17. Simplified ProSLIC Linefeed Architecture for TIP and RING Leads (One Shown)
000
001
010
011
100
101
110
111
TIP or
RING
C
R
AC
AC
Reverse On-Hook Transmission
Forward On-Hook Transmission
Control
AC Sense
AC
Linefeed State
Reverse Active
Forward Active
Ring Open
TIP Open
Control
Ringing
Loop
Open
AC
Codec
Audio
A/D
D/A
Table 23. ProSLIC Linefeed Operations
R
Si3201
BP
DSP
Q
Q
N
P
Rev. 1.45

R
E
Q
TIP and RING tri-stated
V
V
TIP tri-stated, RING active; used for ground start
Ringing waveform applied to TIP and RING
V
V
RING tri-stated, TIP active
DN
TIP
TIP
RING
RING
> V
> V
> V
> V
RING
RING
TIP
TIP
Monitor A/D
SLIC DAC
Control
; audio signal paths powered on
; audio signal paths powered on
A/D
D/A
Loop
DC
DC Sense
Description
Control
R
DC
DC
R
SE
Emitter Sense
Battery Sense
R
BAT
V
BAT