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參數(shù)資料
| 型號(hào)： | DS31256+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 128/183頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CTRLR HDLC 256-CHANNEL 256BGA |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 40 |
| 控制器類型： | HDLC 控制器 |
| 接口： | 串行 |
| 電源電壓： | 3 V ~ 3.6 V |
| 電流 - 電源： | 500mA |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 256-BBGA |
| 供應(yīng)商設(shè)備封裝： | 256-BGA（27x27） |
| 包裝： | 管件 |
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DS31256 256-Channel, High-Throughput HDLC Controller
49 of 183
Bit 8/Port 0 High-Speed Mode (RP0 (1, 2) HS). If enabled, the port 0 (1 or 2) Layer 1 state machine logic is
defeated, and RC0 (1, 2) and RD0 (1, 2) are routed to some dedicated high-speed HDLC processing logic. Only
present in RP0CR, RP1CR, and RP2CR. Bit 8 is not assigned in ports 3 through 15.
0 = disabled
1 = enabled
Bit 9/Unchannelized Enable (RUEN). When enabled, this bit forces the port to operate in an unchannelized
fashion. When disabled, the port operates in a channelized mode.
0 = channelized mode
1 = unchannelized mode
Bit 10/Local Loopback Enable (LLB). This loopback routes transmit data back to the receive port. It can be used
in both channelized and unchannelized port operating modes, even on ports 0, 1, and 2 operating at speeds up to
52MHz (Figure 6-1). In channelized applications, a per-channel loopback can be realized by using the channelized
local loopback (CLLB) function. See Section 6.3 for details on CLLB.
0 = loopback disabled
1 = loopback enabled
Bit 12/V.54 Time Out (VTO). This read-only bit reports the real-time status of the V.54 detector. It is set to 1
when the V.54 detector has finished searching for the V.54 loop-up pattern and has not detected it. This indicates
to the host that the V.54 detector can now be used to search for the V.54 loop-up pattern on other HDLC channels,
and the host can initiate this by configuring the RV54 bits in the RP[n]CR register and then toggling the VRST
control bit. See Section 6.4 for more details about how the V.54 detector operates.
Bit 13/V.54 Loopback (VLB). This read-only bit reports the real-time status of the V.54 detector. It is set to 1
when the V.54 detector has verified that a V.54 loop-up pattern has been seen. When set, it remains set until either
the V.54 loop-down pattern is seen or the V.54 detector is reset by the host (i.e., by toggling VRST). See
Section 6.4 for more details on how the V.54 detector operates.
Bit 14/Interrupt Enable for RCOFA (IERC)
0 = interrupt masked
1 = interrupt enabled
Bit 15/COFA Status Bit (RCOFA). This latched read-only status bit sets if a COFA is detected. The COFA is
detected by sensing that a sync pulse has occurred during a clock period that was not the first bit of the
193/256/512/1024-bit frame. This bit resets when read and does not set again until another COFA has occurred.
Transmit-Side Control Bits (one each for all 16 ports)
Register Name:
TP[n]CR, where n = 0 to 15 for each port
Register Description:
Transmit Port [n] Control Register
Register Address:
See the Register Map in Section 4.
Bit #
7
6
5
4
3
2
1
0
Name
TSS1
TSS0
TSD1
TSD0
TFDA1
TISE
TIDE
TICE
Default
0
Bit #
15
14
13
12
11
10
9
8
Name
TCOFA
IETC
n/a
TUBS
UNLB
TUEN
TP[i]HS
Default
0
Note: Bits that are underlined are read-only; all other bits are read-write.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS31256+ | 功能描述:輸入/輸出控制器接口集成電路 256Ch High Thruput HDLC Cntlr RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 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:QFN-64 封裝:Tray |
| DS31256B | 功能描述:輸入/輸出控制器接口集成電路 256Ch High Thruput HDLC Cntlr RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 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:QFN-64 封裝:Tray |
| DS31256DK | 功能描述:網(wǎng)絡(luò)開發(fā)工具 RoHS:否 制造商:Rabbit Semiconductor 產(chǎn)品:Development Kits 類型:Ethernet to Wi-Fi Bridges 工具用于評(píng)估:RCM6600W 數(shù)據(jù)速率:20 Mbps, 40 Mbps 接口類型:802.11 b/g, Ethernet 工作電源電壓:3.3 V |
| DS31256-W+ | 制造商:Maxim Integrated Products 功能描述:ENVOY 256 CHANNEL HDLC - WAIVER - Rail/Tube |
| DS312BNC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC |
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