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参数资料
| 型号： | DS3112N |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Digital Transmission Controller |
| 英文描述： | DATACOM, FRAMER, PBGA256 |
| 封装： | 27 X 27 MM, PLASTIC, BGA-256 |
| 文件页数： | 63/134页 |
| 文件大小： | 900K |
| 代理商： | DS3112N |
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DS3112
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Bit 7 / T3/E3 Transmit Frame Sync I/O Control (FTSOFC). When this bit is set low, the FTSOF
signal will be an output and will pulse for one FTCLK cycle at the beginning of each frame. When this
bit is high, the FTSOF signal is an input and the device uses it to determine the frame boundaries.
0 = FTSOF is an output
1 = FTSOF is an input
Bit 8 / Low Speed (T1/E1) Transmit Port Common Clock Enable (LTCCEN). When this bit is set
high, the LTCLK1 to LTCLK28 and LTCLKA and LTCLKB inputs are ignored and a common clock
sourced via the LTCCLK input is used in their place.
0 = disable LTCCLK
1 = enable LTCCLK
Bit 9 / Low Speed (T1/E1) Receive Port Common Clock Enable (LRCCEN). When this bit is set
high, the LRCLK1 to LRCLK28 and LRCLKA and LRCLKB outputs will all be sourced from the
LRCCLK input. This configuration can only be used in applications where it can be insured that all of
the T1 or E1 channels from the far end are being sourced from a common clock.
0 = disable LRCCLK
1 = enable LRCCLK
Bit 10 / High Speed (T3/E3) Data Enable Mode Select (DENMS). When this bit is set low, the
FRDEN and FTDEN outputs will be asserted during payload data and deasserted during overhead data.
When this bit is high, FRDEN and FTDEN are gapped clocks that pulse during payload data and are
suppressed during overhead data.
0 = FRDEN and FTDEN are Data Enables
1 = FRDEN and FTDEN are Gapped Clocks
Bit 11 / Low Speed (T1/E1) Port Loop Timed Mode (LLTM). When this bit is set low, the low speed
T1 and E1 receive clocks (LRCLK) are not routed to the transmit side. When this bit is high, the
LRCLKs are routed to the transmit side to be used as the transmit T1 and E1 clocks. When enabled, all
the low speed ports are looped timed. This control bit affects all the low speed ports. The device is not
capable of setting individual low speed ports into and out of looped timed mode. See the Block Diagram
in Figures 1A and 1B for more details.
0 = disable loop timed mode (LRCLK is not used to replace the associated LTCLK)
1 = enable loop timed mode (LRCLK replaces the associated LTCLK)
Register Name:
MC2
Register Description:
Master Configuration Register 2
Register Address:
04h
Bit #
7
6
5
4
3210
Name
n/a
HTDATL
HTDATH
HRDATI HRCLKI HTDATI HTCLKI
Default
-
0
0000
Bit #
15
14
13
12
11
10
9
8
Name
n/a
LRDATI
LRCLKI
LTDATI
LTCLKI
Default
-
0000
相关PDF资料 |
PDF描述 |
|---|---|
| DS3112 | DATACOM, FRAMER, PBGA256 |
| DS3131 | SPECIALTY TELECOM CIRCUIT, PBGA256 |
| DS3134 | DATACOM, FRAMER, PBGA256 |
| DS3150QN | DATACOM, PCM TRANSCEIVER, PQCC28 |
| DS3150Q | DATACOM, PCM TRANSCEIVER, PQCC28 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS3112N+ | 功能描述:网络控制器与处理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS3112N+W | 功能描述:网络控制器与处理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS3112NC1 | 制造商:Maxim Integrated Products 功能描述:T3 E3 MULTIPLEXER, 3.3V T3/E3 FRAMER AND M13/E13/G.747 MUX - Rail/Tube |
| DS3112ND1E | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS3112RD | 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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