參數(shù)資料
型號(hào): SI3216DCQX-EVB
廠商: Silicon Laboratories Inc
文件頁數(shù): 45/122頁
文件大小: 0K
描述: DAUGHTER CARD W/DISCRETE INTRFC
標(biāo)準(zhǔn)包裝: 1
系列: ProSLIC®
主要目的: 接口,模擬前端(AFE)
已用 IC / 零件: Si3216
已供物品: 板,CD
Si3216
Rev. 1.0
29
Not
Recommended
fo
r N
ew
D
esi
gn
s
Figure 17. Simplified ProSLIC Linefeed Architecture for TIP and RING Leads (One Shown)
Table 22. ProSLIC Linefeed Operations
LF[2:0]*
Linefeed State
Description
000
Open
TIP and RING tri-stated
001
Forward Active
VTIP > VRING
010
Forward On-Hook Transmission
VTIP > VRING; audio signal paths enabled
011
TIP Open
TIP tri-stated, RING active; used for ground start
100
Ringing
Ringing waveform applied to TIP and RING
101
Reverse Active
VRING > VTIP
110
Reverse On-Hook Transmission
VRING > VTIP; audio signal paths enabled
111
Ring Open
RING tri-stated, TIP active
*Note: The Linefeed register (LF) is located in direct Register 64.
DSP
A/D
D/A
A/D
DC
Control
AC
Control
DC
Control
Loop
AC
Control
Loop
Battery Sense
Em itter Sense
DC Sense
R
DC
R
SE
R
BAT
Q
DN
Q
P
Q
N
R
E
V
BAT
TIP or
RING
R
BP
R
AC
C
AC
AC Sense
Audio
Codec
M onitor A/D
SLIC DAC
On
-C
h
ip
E
x
te
rn
al
C
o
m
p
onen
ts
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