參數(shù)資料
型號: DS3170N+
廠商: Maxim Integrated Products
文件頁數(shù): 202/230頁
文件大?。?/td> 0K
描述: IC TXRX DS3/E3 100-CSBGA
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 640
功能: 單芯片收發(fā)器
接口: DS3,E3
電路數(shù): 1
電源電壓: 3.135 V ~ 3.465 V
電流 - 電源: 120mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-LBGA,CSBGA
供應商設備封裝: 100-CSBGA(11x11)
包裝: 托盤
包括: DS3 調幀器,E3 調幀器,HDLC 控制器,芯片內 BERT
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁第92頁第93頁第94頁第95頁第96頁第97頁第98頁第99頁第100頁第101頁第102頁第103頁第104頁第105頁第106頁第107頁第108頁第109頁第110頁第111頁第112頁第113頁第114頁第115頁第116頁第117頁第118頁第119頁第120頁第121頁第122頁第123頁第124頁第125頁第126頁第127頁第128頁第129頁第130頁第131頁第132頁第133頁第134頁第135頁第136頁第137頁第138頁第139頁第140頁第141頁第142頁第143頁第144頁第145頁第146頁第147頁第148頁第149頁第150頁第151頁第152頁第153頁第154頁第155頁第156頁第157頁第158頁第159頁第160頁第161頁第162頁第163頁第164頁第165頁第166頁第167頁第168頁第169頁第170頁第171頁第172頁第173頁第174頁第175頁第176頁第177頁第178頁第179頁第180頁第181頁第182頁第183頁第184頁第185頁第186頁第187頁第188頁第189頁第190頁第191頁第192頁第193頁第194頁第195頁第196頁第197頁第198頁第199頁第200頁第201頁當前第202頁第203頁第204頁第205頁第206頁第207頁第208頁第209頁第210頁第211頁第212頁第213頁第214頁第215頁第216頁第217頁第218頁第219頁第220頁第221頁第222頁第223頁第224頁第225頁第226頁第227頁第228頁第229頁第230頁
DS3170 DS3/E3 Single-Chip Transceiver
73 of 230
10.5.1.2 Line Loopback (LLB)
Line loopback is enabled by setting PORT.CR4.LBM[2:0] = X10. DLB and LLB are enabled at the same time when
LBM[2:0] = 110, and only LLB is enabled when LBM[2:0] = 010.
The clock from the receive LIU or the RLCLK pin will be output to the transmit LIU or TCLKO pin. The POS and
NEG data from the receive LIU or the RPOS and RNEG pin will be sampled with the receive clock to time it to the
LIU or pin interface.
When LLB is enabled, unframed all ones AIS can optionally be automatically enabled on the receive data path.
This AIS signal will be output on the RSER pin in framed modes. When DLB and LLB is enabled, the AIS signal
will not be transmitted. See Figure 10-9.
10.5.1.3 Payload Loopback (PLB)
Payload loopback is enabled by setting PORT.CR4.LBM[2:0] = 011.
The payload loopback copies the payload data from the receive framer to the transmit framer which then re-frames
the payload before transmission. Payload loopback is operational in all framing modes.
When PLB is enabled, unframed all ones AIS transmission can optionally be automatically enabled on the receive
data path. This AIS signal will be output on the RSER. In all PLB modes, the TSOFI input pin is ignored.
The external transmit output pins TDEN and TSOFO/TDEN can optionally be disabled by forcing a zero when PLB
is enabled. See Figure 10-9.
10.5.1.4 Diagnostic Loopback (DLB)
Diagnostic loopback is enabled by setting PORT.CR4.LBM[2:0] = 1XX. DLB and LLB are enabled at the same time
when LBM[2:0] = 110, only DLB is enabled when LBM[2:0] = 10X or 111.
The Diagnostic loopback sends the transmit data, before line encoding, back to the receive side.
Transmit AIS can still be enabled using PORT.CR1.LAIS[2:0] even when DLB is enabled. See Figure 10-9.
10.5.2 Loss Of Signal Propagation
The Loss Of Signal (LOS) is detected in the line decoder logic. In unipolar (UNI) line interface modes LOS is never
detected. The LOS signal from the line decoder is sent to the DS3/E3 framer and the top level payload AIS logic
except when DLB is activated. When DLB is activated the LOS signal to the framer and AIS logic is never active.
The LOS status in the line decoder status register is valid in all frame and loop back modes, though it is always off
in the line interface is in the UNI mode.
10.5.3 AIS Logic
There is AIS logic in both the framers and at the top level logic of the port. The framer AIS is enabled by setting the
TAIS bit in the appropriate framer transmit control register (T3, E3-G.751, E3-G.832, or Clear Channel). The top
level AIS is enabled by setting the PORT.CR1.LAIS[2:0] bits (see Table 10-18). The AIS signal is an unframed all
ones pattern or a DS3 framed 101010… pattern depending on the FM[2:0] mode bits. The DS3 Framed Alarm
Indication Signal (AIS) is a DS3 signal with valid F-bits, M-bits, and P-bits (P1 and P2). The X-bits (X1 and X2) are
set to one, all C-bits (CXY) are set to zero, and the payload bits are set to a 1010 pattern starting with a one
immediately after each overhead bit. The DS3 framed AIS pattern is only available in DS3 modes. The unframed
all ones pattern is available in all framing modes including the DS3 modes. The transmit line interface can send
both unframed all ones AIS and DS3 framed AIS patterns from either the AIS generator in the framer or the AIS
generator at the top level.
The AIS signal generated in the framer can be initiated and terminated without introducing any errors in the signal.
When the unframed AIS signal is initiated or terminated, there will be no BPV or CV errors introduced, but there will
be framing errors if a framed mode is enabled. When the DS3 framed AIS signal is initiated or terminated, in
addition to no BPV or CV errors, there should be no framing or P-bit (parity) or CP-bit errors introduced.
The AIS signal generated at the top level will not generate BPV errors but may generate P-bit and CP-bit errors
when the signal is initiated and terminated. The framed DS3 AIS signal will not cause the far end receiver to re-
sync when the signal is initiated, but it may cause a re-sync when terminated if the DS3 frame position in the
framer is changed while the DS3 AIS signal is being generated. A sequence of events can be executed which will
enable the initiation and termination of DS3 AIS or unframed all ones at the top level without any errors introduced.
相關PDF資料
PDF描述
DS2151QB IC TXRX T1 1-CHIP 5V LP 44-PLCC
DS21Q58LN+ IC TXRX E1 QUAD 3.3V 100LQFP
DS26504LN+ IC T1/E1/J1 64KCC ELEMENT 64LQFP
DS21352G IC TXRX T1 1-CHIP 3.3V 100-BGA
DS2174QN+T&R IC BERT ENHANCED 44-PLCC
相關代理商/技術參數(shù)
參數(shù)描述
DS3170N+ 功能描述:網(wǎng)絡控制器與處理器 IC DS3/E3 Single-Chip Transceiver RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS3170N+T&R 制造商:Maxim Integrated Products 功能描述:SINGLE PORT DS3/E3 SCT T&R IND LF - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC TXRX DS3/E3 100CSBGA
DS3170N+T&R 功能描述:網(wǎng)絡控制器與處理器 IC DS3/E3 Single-Chip Transceiver RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS3171 功能描述:網(wǎng)絡控制器與處理器 IC Single DS3/E3 Single Chip Transceiver RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS3171N 功能描述:網(wǎng)絡控制器與處理器 IC Single DS3/E3 Single Chip Transceiver RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray