參數(shù)資料
型號： DS21554LN+
廠商： Maxim Integrated Products
文件頁數(shù)： 123/124頁
文件大?。?/td> 0K
描述： IC TXRX E1 1-CHIP 5V 100-LQFP
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 90
功能： 單芯片收發(fā)器
接口： E1，HDLC，J1，T1
電路數(shù)： 1
電源電壓： 4.75 V ~ 5.25 V
電流 - 電源： 75mA
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 100-LQFP
供應商設備封裝： 100-LQFP（14x14）
包裝： 托盤
包括： 遠程和 AIS 警報檢測器 / 發(fā)生器
產(chǎn)品目錄頁面： 1430 (CN2011-ZH PDF)
DS21354/DS21554 3.3V/5V E1 Single-Chip Transceivers
98 of 124
17.
INTERLEAVED PCM BUS OPERATION
In many architectures, the outputs of individual framers are combined into higher speed serial buses to
simplify transport across the system. The DS21354/DS21554 can be configured to allow data and
signaling buses to be multiplexed into higher speed data and signaling buses eliminating external
hardware saving board space and cost.
The interleaved PCM bus option (IBO) supports two bus speeds. The 4.096 MHz bus speed allows two
SCTs to share a common bus. The 8.192MHz bus speed allows four SCTs to share a common bus. See
Figure 17-1 for an example of four devices sharing a common 8.192MHz PCM bus. Each SCT that shares
a common bus must be configured through software and requires the use of one or two device pins. The
elastic stores of each SCT must be enabled and configured for 2.048MHz operation. See Figure 17-1 and
For all bus configurations, one SCT will be configured as the master device and the remaining SCTs will
be configured as slave devices. In the 4.096MHz bus configuration there is one master and one slave. In
the 8.192MHz bus configuration there is one master and three slaves. Refer to the IBO register
description for more detail.
IBO: INTERLEAVE BUS OPERATION REGISTER (Address = B5 Hex)
(MSB)
(LSB)
—
IBOEN
INTSEL
MSEL0
MSEL1
SYMBOL
POSITION
NAME AND DESCRIPTION
—
IBO.6
Not Assigned. Should be set to 0.
—
IBO.6
Not Assigned. Should be set to 0.
—
IBO.5
Not Assigned. Should be set to 0.
—
IBO.4
Not Assigned. Should be set to 0.
IBOEN
IBO.3
Interleave Bus Operation Enable
0 = Interleave Bus Operation disabled.
1 = Interleave Bus Operation enabled.
INTSEL
IBO.2
Interleave Type Select
0 = Byte interleave.
1 = Frame interleave.
MSEL0
IBO.1
Master Device Bus Select Bit 0. See Table 17-1.
MSEL1
IBO.0
Master Device Bus Select Bit 1. See Table 17-1.
Table 17-1. IBO Master Device Select
MSEL1
MSEL0
FUNCTION
0
Slave device.
0
1
Master device with 1 slave device (4.096MHz bus rate)
1
0
Master device with 3 slave devices (8.192MHz bus rate)
1
Reserved
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相關代理商/技術參數(shù)
參數(shù)描述
DS21554LN+ 功能描述:網(wǎng)絡控制器與處理器 IC 3.3/5V E1 Transceiver 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 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS2155DK 功能描述:網(wǎng)絡開發(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
DS2155G 功能描述:網(wǎng)絡控制器與處理器 IC T1/E1/J1 Transceiver 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 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS2155G/T&R 制造商:Maxim Integrated Products 功能描述:DS2155 T1/E1/J1 SCT 100P CSBGA T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC LIU T1/E1/J1 SCT 100P CSBGA 制造商:Maxim Integrated Products 功能描述:Network Controller & Processor ICs T1/E1/J1 Transceiver
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