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參數(shù)資料
| 型號： | SI3202-G-GS |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 107/112頁 |
| 文件大小： | 0K |
| 描述： | IC LINEFEED INTRFC 125V 16SOIC |
| 標(biāo)準(zhǔn)包裝： | 48 |
| 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： | 3.13 V ~ 5.25 V |
| 電流 - 電源： | 65mA |
| 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： | 管件 |
| 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 |
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Si3220/25 Si3200/02
94
Rev. 1.3
Not
Recommended
fo
r N
ew
D
esi
gn
s
Figure 63. Protocol for Receiving C/I Bits in the Dual ProSLIC
When the Dual ProSLIC is set to GCI mode at
initialization, the default setting ignores the downstream
SC channel byte and allows linefeed state commands to
be directed through the monitor channel. This default
configuration is enabled by initializing the GCILINE bit
of the PCMMODE register to 0, which prevents the Dual
ProSLIC from transitioning between linefeed operating
states due to invalid data that may exist within the
downstream SC channel byte. To transfer direct linefeed
control to the downstream SC channel, the user must
set the GCILINE bit to 1. Once the GCILINE bit has
been set, the Dual ProSLIC follows the commands that
are contained in the downstream SC channel byte as
described in Figure 62.
The Dual ProSLIC architecture also enables automatic
transitions between linefeed operating states to reduce
the amount of interaction required between the host
processor and the Dual ProSLIC. When a GCI bus is
implemented,
the
user
must
ensure
that
these
automatic linefeed state transitions are consistent with
the
linefeed
commands
contained
within
the
downstream SC channel byte.
In normal operation, these automatic linefeed state
transitions are accompanied by the setting of a
threshold detection flag and an interrupt bit, if enabled.
To allow the Dual ProSLIC to automatically detect the
appropriate
thresholds
and
control
the
linefeed
transitions, the downstream SC channel byte should be
updated accordingly once the interrupt bit is read from
the upstream SC channel byte. To disable the automatic
transitions, the user must set the GCILINE bit. Enabling
this manual mode requires the host processor to read
the upstream SC channel information and provide the
appropriate downstream SC channel byte command to
program the correct linefeed state.
presents
the
automatic
linefeed
state
transitions and their associated registers that cause the
transition.
The transition to the OPEN state stemming from power
alarm detection is intended to protect the Dual ProSLIC
circuit in the event that too much power is dissipated in
the Si3200/2 LFIC. This alarm is typically due to a fault
in the application circuit or on the subscriber loop but
can be caused by intermittent power spikes depending
on the threshold to which the alarm is set. The user can
re-initialize the linefeed operating state that was in effect
just prior to the power alarm by toggling the downstream
SC channel byte to the OPEN state for two consecutive
cycles and then resetting the downstream SC channel
byte to the intended linefeed state for two consecutive
cycles. If the Dual ProSLIC continues to automatically
transition to the OPEN state, the power alarm threshold
Receive New
C/I Code
Store in S
Receive New
C/I Code
= P?
= S?
Load C/I Register
With New C/I Bits
Yes
No
Yes
No
P: C/I Primary Register Contents
S: C/I Secondary Register Contents
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SI3202-G-GSR | 功能描述:電信線路管理 IC 125 V Linefeed Interface IC 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 |
| SI3203 | 制造商:SILABS 制造商全稱:SILABS 功能描述:Quad ProSLIC㈢ Programmable CMOS SLIC/Codec |
| SI3203-A-FM | 制造商:Silicon Laboratories Inc 功能描述: |
| SI3203-A-FMR | 制造商:Silicon Laboratories Inc 功能描述: |
| SI3203-A-GM | 制造商:Silicon Laboratories Inc 功能描述: |
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