參數(shù)資料
型號(hào)： RTL8309SB
廠商： Electronic Theatre Controls, Inc.
英文描述： SINGLE-CHIP 9-PORT 10/100MBPS SWITCH CONTROLLER
中文描述： 單芯片9口10/100Mbps開(kāi)關(guān)控制器
文件頁(yè)數(shù)： 34/115頁(yè)
文件大?。?/td> 866K
代理商： RTL8309SB
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RTL8309SB
Datasheet
Single-chip 9-port 10/100Mbps Switch Controller
19
Track ID: JATR-1076-21 Rev. 1.4
6.1.5.
Global Control Register4
Table 13. Global Control Register4
Byte.bit Description
4.7
1: If Differential Service Priority is enabled, this bit specifies differential
service code point [B] is high priority
0: If Differential Service Priority is enabled, this bit specifies differential
service code point [B] is low priority
4.6
4.5~4.0
Used to specify a high priority differential service code point B. For
example, if these bits are set to “000000”, all incoming packets with a TOS
field equal to “000000” will be considered high priority packets.
Name
Enable
Differential
Service Code
Point [B]
Reserved
Differential
Service Code
Point [B]
Default
0
1
111111
6.1.6.
Global Control Register5
Table 14. Global Control Register5
Byte.bit Description
5.7
1: If Differential Service Priority is enabled, this bit specifies differential
service code point [A] is high priority
0: If Differential Service Priority is enabled, this bit specifies differential
service code point [A] is low priority
5.6
5.5~5.0
Used to specify a high priority differential service code point A. For
example, if these bits are set to “111111”, all incoming packets with a TOS
field equal to “000000” will be considered high priority packets.
Name
Enable
Differential
Service Code
Point [A]
Reserved
Differential
Service Code
Point [A]
Default
0
1
111111
6.1.7.
Global Control Register6
Table 15. Global Control Register6
Byte.bit Description
6.7~6.0
Name
Reserved
Default
0000
0001
6.1.8.
Global Control Register7
Table 16. Global Control Register7
Byte.bit Description
7.7
1: Enable drop packet when SRAM full for 48 pass 1
0: Disable drop packet when SRAM full for 48 pass 1. This will result in
SRAM run out
7.6
7.5
1: 90ppm TX IPG compensation
0: 65ppm TX IPG compensation
7.4
1: Disable loop detection function
0: Enable loop detection function
7.3
7.2
1: Lookup table is accessible via indirect access registers
0: Lookup table is not accessible
7.1~7.0
Name
Enable drop for
48 pass 1
Default
1
Reserved
TX IPG
compensation
Disable loop
detection
Reserved
Lookup table
accessible enable
Reserved
1
1
1
1
0
11
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