參數(shù)資料
型號： DS21FT42
廠商： DALLAS SEMICONDUCTOR
元件分類： Digital Transmission Controller
英文描述： DATACOM, FRAMER, PBGA300
封裝： 27 X 27 MM, BGA-300
文件頁數(shù)： 65/115頁
文件大?。?/td> 534K
代理商： DS21FT42
DS21FF42/DS21FT42
53 of 115
The TCM4 to TCM0 and RCM4 to RCM0 bits should be programmed with the decimal decode of the
appropriate T1 channel. Channels 1 through 24 map to register values 0 through 23. For example, if
DS0 channel 6 (timeslot 5) in the transmit direction and DS0 channel 15 (timeslot 14) in the receive
direction needed to be monitored, then the following values would be programmed into CCR5 and
CCR6:
TCM4 = 0
RCM4 = 0
TCM3 = 0
RCM3 = 1
TCM2 = 1
RCM2 = 1
TCM1 = 0
RCM1 = 1
TCM0 = 1
RCM0 = 0
CCR5: COMMON CONTROL REGISTER 5 (Address=19 Hex)
[repeated here from section 10 for convenience]
(MSB)
(LSB)
TJC
–
TCM4
TCM3
TCM2
TCM1
TCM0
SYMBOL
POSITION
NAME AND DESCRIPTION
TJC
CCR5.7
Transmit Japanese CRC Enable. See Section 10 for
details.
–
CCR5.5
Not Assigned. Must be set to zero when written.
–
CCR5.5
Not Assigned. Must be set to zero when written.
TCM4
CCR5.4
Transmit Channel Monitor Bit 4. MSB of a channel
decode that determines which transmit DS0 channel data will
appear in the TDS0M register.
TCM3
CCR5.3
Transmit Channel Monitor Bit 3.
TCM2
CCR5.2
Transmit Channel Monitor Bit 2.
TCM1
CCR5.1
Transmit Channel Monitor Bit 1.
TCM0
CCR5.0
Transmit Channel Monitor Bit 0. LSB of the channel
decode that determines which transmit DS0 channel data will
appear in the TDS0M register.
TDS0M: TRANSMIT DS0 MONITOR REGISTER (Address=1A Hex)
(MSB)
(LSB)
B1
B2
B3
B4
B5
B6
B7
B8
SYMBOL
POSITION
NAME AND DESCRIPTION
B1
TDS0M.7
Transmit DS0 Channel Bit 1. MSB of the DS0 channel
(first bit to be transmitted).
B2
TDS0M.6
Transmit DS0 Channel Bit 2.
B3
TDS0M.5
Transmit DS0 Channel Bit 3.
B4
TDS0M.4
Transmit DS0 Channel Bit 4.
B5
TDS0M.3
Transmit DS0 Channel Bit 5.
相關PDF資料
PDF描述
DS21FT42N DATACOM, FRAMER, PBGA300
DS21FF42 DATACOM, FRAMER, PBGA300
DS21FF42N DATACOM, FRAMER, PBGA300
DS21FT44N DATACOM, FRAMER, PBGA300
DS21FT44 DATACOM, FRAMER, PBGA300
相關代理商/技術(shù)參數(shù)
參數(shù)描述
DS21FT42N 功能描述:網(wǎng)絡控制器與處理器 IC 4x4 16/4x3 12 Chnl T1/T1 Framer 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
DS21FT44 功能描述:網(wǎng)絡控制器與處理器 IC 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
DS21FT44+ 功能描述:網(wǎng)絡控制器與處理器 IC 4X3 E1 Framer E1 Framer E1 Framer 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
DS21FT44N 功能描述:網(wǎng)絡控制器與處理器 IC 4x4 16/4x3 12 Chnl E1/E1 Framer 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
DS21FT44N+ 功能描述:網(wǎng)絡控制器與處理器 IC 4x4 16/4x3 12 Chnl E1/E1 Framer 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
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