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| 型號： | DS3112DK |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 95/133頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT DEMO FOR DS3112 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 接口，交叉點開關(guān)/多路復(fù)用器 |
| 已用 IC / 零件： | DS3112 |
| 已供物品： | 板，CD |
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DS3112
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6.3 T2/E2/G.747 Framer Status and Interrupt Register Description
Register Name:
T2E2SR1
Register Description:
T2/E2 Status Register 1
Register Address:
34h
Bit #
7
6
5
4
3
2
1
0
Name
IELOF
LOF7
LOF6
LOF5
LOF4
LOF3
LOF2
LOF1
Default
0
-
Bit #
15
14
13
12
11
10
9
8
Name
IEAIS
AIS7
AIS6
AIS5
AIS4
AIS3
AIS2
AIS1
Default
0
-
Note: See Figure 6-1 for details on the signal flow for the status bits in the T2E2SR1 register. Bits that are underlined are read-only; all
other bits are read-write.
Bits 0 to 6: Loss Of Frame Occurrence (LOFn when n = 1 to 7). This latched read-only alarm-status bit will be
set to a one each time the corresponding T2/E2/G.747 framer detects a Loss Of Frame (LOF). This bit will be
cleared when read unless a LOF condition still exists in that T2/E2/G.747 framer. A change in state of the LOF in
one or more of the T2/E2/G.747 framers can cause the T2E2SR1 status bit (in the MSR register) to be set and a
hardware interrupt to occur if the IELOF bit is set to a one and the T2E2SR1 bit in the Interrupt Mask for MSR
(IMSR) register is set to a one (Figure 6-1). The interrupt will be allowed to clear when this bit is read. The LOF
alarm criteria are described in Table 6-1, Table 6-2, and Table 6-3. In the E3 mode, LOF5 to LOF7 (bits 4 to 6) are
meaningless and should be ignored.
Bit 7: Interrupt Enable for Loss of Frame Occurrence (IELOF). This bit should be set to one if the host wishes
to have T2/E2/G.747 LOF occurrences cause a hardware interrupt or the setting of the T2E2SR1 status bit in the
MSR register (Figure 6-1). The T2E2SR1 bit in the Interrupt Mask for the Master Status Register (IMSR) must
also be set to one for an interrupt to occur.
0 = interrupt masked
1 = interrupt unmasked
Bits 8 to 14: Alarm Indication Signal Detected (AISn when n = 1 to 7). This latched read-only alarm-status bit
will be set to a one each time the corresponding T2/E2/G.747 framer detects an incoming AIS alarm. This bit will
be cleared when read unless the AIS alarm still exists in that T2/E2/G.747 framer. A change in state of the AIS
detector in one or more of the T2/E2/G.747 framers can cause the T2E2SR1 status bit (in the MSR register) to be
set and a hardware interrupt to occur if the IEAIS bit is set to a one and the T2E2SR1 bit in the Interrupt Mask for
MSR (IMSR) register is set to a one (Figure 6-1). The interrupt will be allowed to clear when this bit is read. The
AIS alarm criteria is described in Table 6-1, Table 6-2, and Table 6-3. In the E3 mode, AIS5 to AIS7 (bits 4 to 6)
are meaningless and should be ignored.
Bit 15: Interrupt Enable for Alarm Indication Signal (IEAIS). This bit should be set to one if the host wishes to
have T2/E2/G.747 AIS detection occurrences cause a hardware interrupt or the setting of the T2E2SR1 status bit in
the MSR register (Figure 6-1). The T2E2SR1 bit in the Interrupt Mask for the Master Status Register (IMSR) must
also be set to one for an interrupt to occur.
0 = interrupt masked
1 = interrupt unmasked
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS3112N | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX RoHS:否 制造商:Micrel 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS3112N+ | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX RoHS:否 制造商:Micrel 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS3112N+W | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX RoHS:否 制造商:Micrel 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝: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: |
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