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| 型号： | TSB41BA3AIGGM |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | IEEE 1394b THREE-PORT CABLE TRANSCEIVER/ARBITER |
| 中文描述： | 的IEEE 1394b三端口电缆收发器/仲裁者 |
| 文件页数： | 23/66页 |
| 文件大小： | 895K |
| 代理商： | TSB41BA3AIGGM |
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SLLS618B JUNE 2004 REVISED AUGUST 2004
23
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Table 3. Base Register Field Descriptions (Continued)
FIELD
SIZE
1
TYPE
Rd/Wr
DESCRIPTION
EAA
Enable accelerated arbitration. This bit enables the PHY to perform the various arbitration acceleration
enhancements defined in 1394a-2000 (ACK-accelerated arbitration, asynchronous fly-by concatenation, and
isochronous fly-by concatenation). This bit is reset to 0 by hardware reset and is unaffected by bus reset. This
bit has no effect when the device is operating in 1394b mode.
NOTE: The use of accelerated arbitration is completely compatible with networks containing legacy IEEE Std
1394-1995 PHYs. The EAA bit is set only if the attached LLC is 1394a-2000 compliant. If the LLC is not
1394a-2000 or 1394b-2002 compliant, then the use of the arbitration acceleration enhancements can interfere
with isochronous traffic by excessively delaying the transmission of cycle-start packets.
Enable multispeed concatenated packets. This bit enables the PHY to transmit concatenated packets of
differing speeds in accordance with the protocols defined in 1394a-2000. This bit is reset to 0 by hardware reset
and is unaffected by bus reset. This bit has no effect when the device is operating in 1394b mode.
NOTE: The use of multispeed concatenation is completely compatible with networks containing legacy IEEE
Std 1394-1995 PHYs. However, use of multispeed concatenation requires that the attached LLC be
1394a-2000 or 1394b-2002 compliant.
Maximum legacy-path speed. This field holds the maximum speed capability of any legacy node (1394a-2000
or 1394-1995 compliant) as indicated in the self-ID packets received during bus-initialization. Encoding is the
same as for the PHY_SPEED field (but limited to S400 maximum).
Beta-mode link. This bit indicates that a beta-mode capable link is attached to the PHY. This bit is set by the
BMODE input terminal on the TSB41BA3A.
This field controls the value of the bridge (brdg) field in self-ID packet. The power reset value is 0. Details for
when to set these bits are specified in the IEEE 1394.1 bridging specification.
Page_Select. This field selects the register page to use when accessing register addresses 8 through 15. This
field is reset to 0 by a hardware reset and is unaffected by bus-reset.
Port_Select. This field selects the port when accessing per-port status or control (for example, when one of the
port status/control registers is accessed in page 0). Ports are numbered starting at 0. This field is reset to 0 by
hardware-reset and is unaffected by bus-reset.
EMC
1
Rd/Wr
Max Legacy
SPD
3
Rd
BLINK
1
Rd
Bridge
2
Rd/Wr
Page_Select
3
Rd/Wr
Port_Select
4
Rd/Wr
The port status page provides access to configuration and status information for each of the ports. The port is
selected by writing 0 to the Page_Select field and the desired port number to the Port_Select field in base
register 7. Table 4 shows the configuration of the port status page registers and Table 5 gives the corresponding
field descriptions. If the selected port is unimplemented, then all registers in the port status page are read
as 0.
Table 4. Page 0 (Port Status) Register Configuration
BIT POSITION
Address
0
1
2
3
4
5
6
7
1000
Astat
BStat
Ch
Con
RXOK
Dis
1001
Negotiated_speed
PIE
Fault
Standby_fault
Disscrm
B_Only(0)
1010
DC_connected
Max_port_speed
LPP
Cable_speed
1011
Connection_unreliable
Reserved
Beta_mode
Reserved
1100
Port_error
1101
Reserved
Sleep_Flag
Sleep_enable
Loop_disable
In_standby
Hard_disable
1110
Reserved
1111
Reserved
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TSB41BA3AIPFP | 功能描述:缓冲器和线路驱动器 Three-Port Cable Xcvr/Arbiter RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| TSB41BA3APFP | 功能描述:缓冲器和线路驱动器 Three-Port Cable Xcvr/Arbiter RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| TSB41BA3APFPG4 | 功能描述:1394 接口集成电路 Three-Port Cable Xcvr/Arbiter RoHS:否 制造商:Texas Instruments 类型:Link Layer Controller 工作电源电压: 封装 / 箱体:LQFP 封装:Tray |
| TSB41BA3ATPFPEP | 功能描述:缓冲器和线路驱动器 Mil Enh 3-Port Cable Xcvr/Arbiter RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| TSB41BA3B | 制造商:TI 制造商全称:Texas Instruments 功能描述:IEEE 1394b THREE-PORT CABLE TRANSCEIVER/ARBITER |
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