參數(shù)資料
型號(hào)： SI3225DCX-EVB
廠商： Silicon Laboratories Inc
文件頁(yè)數(shù)： 108/112頁(yè)
文件大?。?/td> 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： Si3225
已供物品： 板，CD
Si3220/25 Si3200/02
Rev. 1.3
95
Not
Recommended
fo
r N
ew
D
esi
gn
s
might be set incorrectly. If this problem persists after the
power alarm settings are verified, a system fault is
probable, and the user should take measures to
diagnose the problem.
3.31.10. Upstream (Transmit) SC Channel Byte
The upstream SC channel byte looks similar to the
downstream
SC
channel
byte
except
that
the
information quickly transfers the most time-critical
information from the Dual ProSLIC to the GCI bus. Each
upstream SC channel byte transfer from the Dual
ProSLIC lasts for at least two consecutive frames to
represent a valid transfer. The upstream C/I bits are
defined as follows:
CI2A, CI1A, CI0A
Monitors status data for channel A
CI2B, CI1B, CI0B
Monitors status data for channel B
MR, MX
Monitor channel handshake bits
(see Monitor Channel section)
Table 50. Automatic Linefeed State Transitions
Initiating Action
Automatic Linefeed State
Transition
Detection/Control Bits
Interrupt Enable/Status
Bits
Loop closure detected On-hook active
off-hook active,
Off-hook active
on-hook active
LCR (Register 9)
LOOPE, LOOPS
(Register 16/19)
Ring trip detected
Ringing
off-hook active
RTP (Register 9)
RTRIPE, RTRIPS
(Register 16/19)
Ringing burst
cadence
Ringing
on-hook transmission
On-hook transmission
ringing
T1EN, T2EN
(Register 23)
RINGT1E, RINGT2E,
RINGT1S, RINGT2S
(Register 15/18)
Power alarm detected
Any state
open
PQ1DL (RAM 50)
PQ1E, PQ1S
(Registers 17/20)
Table 51. Monitored Data via Upstream SC Channel C/I Bits
C/I Bit
Information Provided
Mirrored Register Bits
Context
CI2A
Interrupt information on
channel A
IRQ0[0]+
IRQ0[1]+
IRQ0[2]
CI2A = 0: No interrupt on channel A
CI2A = 1: Interrupt present on channel A
CI1A
Hook status information
on channel A
LCRRTP[0]
(LCR bit)
CI1A = 0: Channel A is on-hook
CI1A = 1: Channel A is off-hook
CI0A
Ground key information
on channel A
LCRRTP[2]
(LONGHI bit)
CI0A = 0: No longitudinal current detected
CI0A = 1: Longitudinal current detected in chan-
nel A
CI2B
Interrupt information on
channel B
IRQ0[4]+
IRQ0[5]+
IRQ0[6]
CI2A = 0: No interrupt on channel B
CI2A = 1: Interrupt present on channel B
CI1B
Hook status information
on channel B
LCRRTP[0]
(LCR bit)
CI1A = 0: Channel B is on-hook
CI1A = 1: Channel B is off-hook
CI0B
Ground key information
on channel B
LCRRTP[2]
(LONGHI bit)
CI0A = 0: No longitudinal current detected
CI0A = 1: Longitudinal current detected in chan-
nel B
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
Si3225-FQ 功能描述:電信線路管理 IC Dual-Channel SLIC/ codec 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
SI3225-FQR 制造商:Silicon Laboratories Inc 功能描述:
Si3225-G-FQ 功能描述:電信線路管理 IC Dual-Channel SLIC codec 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
SI3225-G-FQR 功能描述:電信線路管理 IC Dual-CH SLIC/codec Ext Ringing Support 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
Si3225-G-GQ 功能描述:電信線路管理 IC Dual-Channel SLIC codec 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
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