參數(shù)資料
型號(hào)： SI3200-G-GSR
廠商： Silicon Laboratories Inc
文件頁(yè)數(shù)： 55/112頁(yè)
文件大?。?/td> 0K
描述： IC SLIC/CODEC 125V LINE 16SOIC
標(biāo)準(zhǔn)包裝： 2,500
系列： ProSLIC®
功能： 用戶線路接口概念（SLIC），CODEC
接口： GCI，PCM，SPI
電路數(shù)： 2
電源電壓： 3.3V，5V
電流 - 電源： 110µA
功率（瓦特）： 941mW
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.154"，3.90mm Width）裸露焊盤
供應(yīng)商設(shè)備封裝： 16-SOIC N
包裝： 帶卷 (TR)
包括： 電池切換，BORSCHT 功能，DTMF 生成和解碼，F(xiàn)SK 音調(diào)生成，調(diào)制解調(diào)器和傳真音調(diào)檢測(cè)
Si3220/25 Si3200/02
Rev. 1.3
47
Not
Recommended
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The output of the debounce filter remains in its present
state unless the input remains in the opposite state for
the entire period of time programmed by the loop
closure debounce interval, LONGDBI. If the debounce
interval is satisfied, the LONGHI bit is set to indicate
that a valid ground key event has occurred.
When the Si3220/25 detects a ground key event, the
linefeed automatically transitions from the TIP-OPEN
(or RING-OPEN) state to the FORWARD-ACTIVE (or
REVERSE-ACTIVE) state. However, this automatic
state transition is triggered by the LCR bit becoming
active (i.e., =1), and not by the LONGHI bit.
While ILONG is used to generate the LONGHI status bit,
a transition from TIP-OPEN to the FORWARD-ACTIVE
state (or from the RING-OPEN to the REVERSE-
ACTIVE state) occurs when the RING terminal (or TIP
terminal) is grounded and is based on the LCR bit and
implicitly on exceeding the LCROFFHK threshold.
As an example of ground key detection, suppose that
the Si3220/25 has been programmed with the current
values shown in Table 26.
With the settings of Table 26, the behavior of ILOOP,
ILONG, LCR, LONGHI, and CMHIGH is as shown in
Table 27. The entries under “Loop State” indicate the
condition of the loop, as determined by the equipment
terminating the loop. The entries under “LINEFEED
Setting” indicate the state initially selected by the host
CPU (e.g., TIP-OPEN) and the automatic transition to
the FORWARD-ACTIVE state due to a ground key
event (when RING is connected to GND). The transition
from state #2 to state #3 in Table 27 is the automatic
transition from TIP-OPEN to FWD-ACTIVE in response
to LCR = 1.
Table 26. Settings for Ground Key Example
ILIM
21 mA
LCROFFHK
14 mA
LCRONHK
10 mA
LONGHITH
7 mA
LONGLOTH
5 mA
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SI3200-GS 功能描述:射頻無(wú)線雜項(xiàng) 100 V Linefeed codec RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel
SI3200-GSR 制造商:Silicon Laboratories Inc 功能描述:
Si3200-KS 功能描述:電信線路管理 IC 100 V LINEFEED INTERFACE IC.CHIPSET RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
SI3200-KSR 制造商:Silicon Laboratories Inc 功能描述:
SI3200-X-FS 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DUAL PROGRAMMABLE CMOS SLIC WITH LINE MONITORING
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