參數(shù)資料
型號： SI3212-KT
廠商： Electronic Theatre Controls, Inc.
元件分類： Codec
英文描述： PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION
中文描述： ProSLIC產(chǎn)品可編程的CMOS用戶接口/有振鈴編解碼器/電池電壓生成
文件頁數(shù)： 90/122頁
文件大?。?/td> 1950K
代理商： SI3212-KT
Si3210/Si3211/Si3212
90
Preliminary Rev. 1.11
Reset settings = 0010_0000
Reset settings = 0000_0010
Register 72. On-Hook Line Voltage
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
VSGN
VOC[5:0]
Type
R/W
R/W
Bit
Name
Function
7
Reserved
Read returns zero.
6
VSGN
On-Hook Line Voltage.
The value written to this bit sets the on-hook line voltage polarity (V
TIP
–V
RING
).
0 = V
TIP
–V
RING
is positive
1 = V
TIP
–V
RING
is negative
On-Hook Line Voltage.
The value written to this register sets the on-hook line voltage (V
TIP
–V
RING
). Value may
be set between 0 V (0x00) and 94.5 V (0x3F) in 1.5 V steps. Default value = 48 V.
5:0
VOC[5:0]
Register 73. Common Mode Voltage
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
VCM[5:0]
Type
R/W
Bit
Name
Function
7:6
Reserved
Read returns zero.
5:0
VCM[5:0]
Common Mode Voltage.
The value written to this register sets V
TIP
for forward active and forward on-hook trans-
mission states and V
RING
for reverse active and reverse on-hook transmission states.
The value may be set between 0 V (0x00) and –94.5 V (0x3F) in 1.5 V steps. Default
value = –3 V.
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