參數(shù)資料
型號(hào): SI3210M-BT
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(yè)數(shù): 107/122頁(yè)
文件大?。?/td> 1950K
代理商: SI3210M-BT
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Si3210/Si3211/Si3212
Preliminary Rev. 1.11
107
4
ZSEXT
Impedance Internal Reference Resistor Disable.
When enabled, this bit removes the internal reference resistor used to synthesize ac
impedances for 600 + 2.1
μ
F and 900 + 2.16
μ
F so that an external resistor reference
may be used.
0 = Internal resistor used to generate 600 + 2.1
μ
F and 900 + 2.16
μ
F impedances.
1 = Internal resistor removed from circuit.
3
SWDB
Battery Switch Debounce (Si3211 and Si3212 only).
When enabled, this bit allows debouncing of the battery switching circuit only when tran-
sitioning from V
BATH
to V
BATL
external battery supplies (EXTBAT = 1).
0 = No debounce used.
1 = 60 ms debounce period used.
Si3210 = Reserved.
2
LCVE
Voltage-Based Loop Closure.
Enables loop closure to be determined by the TIP-to-RING voltage rather than loop cur-
rent.
0 = Loop closure determined by loop current.
1 = Loop closure determined by TIP-to-RING voltage.
1
DCFIL
DC-DC Converter Squelch (Si3210 only).
When enabled, this bit squelches noise in the audio band from the dc-dc converter con-
trol loop.
0 = Voice band squelch disabled.
1 = Voice band squelch enabled.
0
HYSTEN
Loop Closure Hysteresis Enable.
When enabled, this bit allows hysteresis to the loop closure calculation. The upper and
lower hysteresis thresholds are defined by indirect registers 28 and 43, respectively.
0 = Loop closure hysteresis disabled.
1 = Loop closure hysteresis enabled.
Bit
Name
Function
相關(guān)PDF資料
PDF描述
SI3210 PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION
SI3210-BT PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION
SI3210-KT PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION
SI3211-BT PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION
SI3211-KT PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION
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