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參數(shù)資料
| 型號(hào)： | DS3131 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Telecom IC:Other |
| 英文描述： | SPECIALTY TELECOM CIRCUIT, PBGA256 |
| 封裝： | 27 X 27 MM, PLASTIC, BGA-256 |
| 文件頁(yè)數(shù)： | 24/174頁(yè) |
| 文件大?。?/td> | 1261K |
| 代理商： | DS3131 |
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DS3131
12 of 174
Restrictions
In creating the overall system architecture, the user must balance the port, throughput, and HDLC
channel restrictions of the DS3131. Table 2-A lists all of the upper-bound maximum restrictions.
Table 2-A. Restrictions
ITEM
RESTRICTION
Maximum of 40 physical ports
Port
Maximum data rate of 52Mbps
Maximum receive: 132Mbps (Refer to Application Note 358: DS3134
PCI Bus Utilization.)
Throughput
Maximum transmit: 132Mbps
HDLC
Maximum of 40 channels
Internal Device Configuration Registers
All internal device configuration registers (with the exception of the PCI configuration registers, which
are 32-bit registers) are 16 bits wide and are not byte addressable. When the host on the PCI bus accesses
these registers, the particular combination of byte enables (i.e., PCBE signals) is not important, but at
least one of the byte enables must be asserted for a transaction to occur. All registers are read/write,
unless otherwise noted. Reserved bits should not be modified to allow for future upgrades to the device.
These bits should be treated as having no meaning and could be either 0 or 1 when read.
Initialization
On a system reset (which can be invoked by either hardware action through the PRST signal or software
action through the RST control bit in the master reset and ID register), all of the internal device
configuration registers are set to 0 (0000h). The local bus bridge mode control register (LBBMC) is not
affected by a software-invoked system reset; it is forced to all zeros only by a hardware reset. The
internal registers that are accessed indirectly (these are listed as “indirect registers” in the data sheet and
consist of the port DS0 configuration registers in the Layer 1 block, the DMA configuration RAMs, and
the FIFO registers) are not affected by a system reset, so they must be configured on power-up by the
host to a proper state.
By design, the DS3131 BoSS does not take control of the PCI bus upon power-up. All physical ports
start up by sending all ones (not the HDLC idle code), so the BoSS is idle upon power-up. Please note,
however, that the BoSS uses internal RAM to periodically store and retrieve the states of the internal
state machines. Because there are many such complex state machines and interworking functional blocks
inside the BoSS, all internal registers must be initialized to a known state before any data packets can be
transmitted and received.
Table 2-B lists the steps required to initialize the DS3131. It is imperative that they are followed exactly
in the order presented, or exactly as implemented in Dallas Semiconductor DS3131 driver code.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS3134 | DATACOM, FRAMER, PBGA256 |
| DS3150QN | DATACOM, PCM TRANSCEIVER, PQCC28 |
| DS3150Q | DATACOM, PCM TRANSCEIVER, PQCC28 |
| DS3150TN | DATACOM, PCM TRANSCEIVER, PDIP48 |
| DS3150T | DATACOM, PCM TRANSCEIVER, PQFP48 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS3131DK | 功能描述:通信集成電路 - 若干 RoHS:否 制造商:Maxim Integrated 類型:Transport Devices 封裝 / 箱體:TECSBGA-256 數(shù)據(jù)速率:100 Mbps 電源電壓-最大:1.89 V, 3.465 V 電源電壓-最小:1.71 V, 3.135 V 電源電流:50 mA, 225 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| DS3134 | 功能描述:IC CTRLR HDLC CHATEAU 256-BGA RoHS:否 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A |
| DS-313PIN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Miscellaneous |
| DS-313-PIN | 功能描述:信號(hào)調(diào)節(jié) RoHS:否 制造商:EPCOS 產(chǎn)品:Duplexers 頻率:782 MHz, 751 MHz 頻率范圍: 電壓額定值: 帶寬: 阻抗:50 Ohms 端接類型:SMD/SMT 封裝 / 箱體:2.5 mm x 2 mm 工作溫度范圍:- 30 C to + 85 C 封裝:Reel |
| DS31400 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:8-Input, 14-Output, Dual DPLL Timing IC with Sub-ps Output Jitter |
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