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参数资料
| 型号： | DS21FT40 |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Digital Transmission Controller |
| 英文描述： | DATACOM, FRAMER, PBGA300 |
| 封装： | BGA-300 |
| 文件页数： | 26/87页 |
| 文件大小： | 386K |
| 代理商： | DS21FT40 |
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DS21FT40
32 of 87
CCR5: COMMON CONTROL REGISTER 5 (Address = AA Hex)
(MSB)
(LSB)
–
RESALGN
TESALGN
RCM4
RCM3
RCM2
RCM1
RCM0
SYMBOLS
POSITION
NAME AND DESCRIPTION
–
CCR5.7
Not Assigned. Should be set to zero when written
RESALGN
CCR5.6
Receive Elastic Store Align. Setting this bit from a zero to a
one may force the receive elastic store’s write/read pointers to
a minimum separation of half a frame. No action will be taken
if the pointer separation is already greater or equal to half a
frame. If pointer separation is less then half a frame, the
command will be executed and data will be disrupted. Should
be toggled after RSYSCLK has been applied and is stable.
Must be cleared and set again for a subsequent align. See
Section 12 for details.
TESALGN
CCR5.5
Transmit Elastic Store Align. Setting this bit from a zero to a
one may force the transmit elastic store’s write/read pointers to
a minimum separation of half a frame. No action will be taken
if the pointer separation is already greater or equal to half a
frame. If pointer separation is less then half a frame, the
command will be executed and data will be disrupted. Should
be toggled after TSYSCLK has been applied and is stable.
Must be cleared and set again for a subsequent align. See
Section 12 for details.
RCM4
CCR5.4
Receive Channel Monitor Bit 4. MSB of a channel decode that
determines which receive channel data will appear in the
RDS0M register. See Section 8 for details.
RCM3
CCR5.3
Receive Channel Monitor Bit 3.
RCM2
CCR5.2
Receive Channel Monitor Bit 2.
RCM1
CCR5.1
Receive Channel Monitor Bit 1.
RCM0
CCR5.0
Receive Channel Monitor Bit 0. LSB of the channel decode.
CCR6: COMMON CONTROL REGISTER 6 (Address=1D Hex)
(MSB)
(LSB)
–
TCLKSRC
RESR
TESR
SYMBOLS
POSITION
NAME AND DESCRIPTION
–
CCR6.7
Not Assigned. Should be set to zero when written
–
CCR6.6
Not Assigned. Should be set to zero when written
–
CCR6.5
Not Assigned. Should be set to zero when written
–
CCR6.4
Not Assigned. Should be set to zero when written
–
CCR6.3
Not Assigned. Should be set to zero when written
相关PDF资料 |
PDF描述 |
|---|---|
| DS21FT42 | DATACOM, FRAMER, PBGA300 |
| DS21FT42N | DATACOM, FRAMER, PBGA300 |
| DS21FF42 | DATACOM, FRAMER, PBGA300 |
| DS21FF42N | DATACOM, FRAMER, PBGA300 |
| DS21FT44N | DATACOM, FRAMER, PBGA300 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS21FT40N | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS21FT42 | 功能描述:网络控制器与处理器 IC 4x4 16/4x3 12 Chnl T1/T1 Framer 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 |
| DS21FT42N | 功能描述:网络控制器与处理器 IC 4x4 16/4x3 12 Chnl T1/T1 Framer 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 |
| DS21FT44 | 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 |
| DS21FT44+ | 功能描述:网络控制器与处理器 IC 4X3 E1 Framer E1 Framer E1 Framer 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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