參數(shù)資料
型號(hào)： DS3112+
廠商： Maxim Integrated Products
文件頁數(shù)： 38/133頁
文件大?。?/td> 0K
描述： IC MUX TEMPE T3/E3 256-BGA
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： 調(diào)幀器，多路復(fù)用器
接口： 并行/串行
電源電壓： 3.135 V ~ 3.465 V
電流 - 電源： 150mA
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 256-LBGA
供應(yīng)商設(shè)備封裝： 256-PBGA（27x27）
包裝： 管件
產(chǎn)品目錄頁面： 1419 (CN2011-ZH PDF)
DS3112
132 of 133
14.12G.747 Framing Structure and E12 Multiplexing
The G.747 frame structure is made up of five 168-bit sets (Figure 14-9). The five sets are transmitted one
after another (...Set1/Set2/Set3/Set4/Set5/Set1...) to make up the complete G.747 frame structure. The
Frame Alignment Signal (FAS) is placed in the first 9 bits of Set 1. Set 2 contains the Remote Alarm
Indication (RAI) bit and a Parity Bit (PAR) as well as a reserved bit, which is fixed to a one. The PAR bit
will be set to a one when there are odd numbers of ones from the tributaries in the preceding frame and it
will be set to a zero when there is an even number of ones. The parity calculation does not include the
FAS, RAI, reserved bit, or Justification Control Bits. The three tributaries are bit interleaved starting with
a bit from Tributary 1 immediately after the FAS in Set 1. The first three bits of Sets 3, 4, and 5 are the
Justification Control Bits. Bits 4 to 6 of Set 5 are the Stuffing Bits. The Justification Control bits control
when data will be stuffed into the Stuffing Bit positions. When a majority of the three Justification
Control Bits from a particular tributary is set to zero, the Stuffing Bit position will be used for tributary
data. When the Justification Control Bits are majority decoded to be one, the Stuffing Bit will not be used
for tributary data.
Figure 14-9. G.747 Frame Structure
Set 1
Bit 1
Bit 168
FAS (111010000)
b11
b21
b31
b12
b22
b32
b13
...bits from the tributaries...
Set 2
Bit 1
Bit 168
RAI
PAR
1
...bits from the tributaries...
Set 3
Bit 1
Bit 168
c11
c21
c31
...bits from the tributaries...
Set 4
Bit 1
Bit 168
c12
c22
c32
...bits from the tributaries...
Set 5
Bit 1
Bit 168
c13
c23
c33
s1
s2
s3
...bits from the tributaries...
NOTE 1:
BIT 1 OF SET 1 IS TRANSMITTED FIRST.
NOTE 2:
BJI
TRIBUTARY BITS
J = TRIBUTARY NUMBER
I = BIT NUMBER
NOTE 3:
CJI
JUSTIFICATION CONTROL BITS
J = TRIBUTARY NUMBER
I = CONTROL STUFFING BIT NUMBER
NOTE 4:
SJ
STUFFING BITS
J = TRIBUTARY NUMBER
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS3112+ 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
DS3112+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
DS3112D1 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
DS3112D1+ 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
DS3112DK 功能描述:網(wǎng)絡(luò)開發(fā)工具 DS3112 Dev Kit 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
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