參數(shù)資料
型號: MVTX2803AG
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: Unmanaged 8-Port 1000 Mbps Ethernet Switch
中文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA596
封裝: 40 X 40 MM, 2.33 MM HEIGHT, MS-034, HSBGA-596
文件頁數(shù): 82/127頁
文件大?。?/td> 1706K
代理商: MVTX2803AG
MVTX2803
Data Sheet
82
Zarlink Semiconductor Inc.
Class 6 Shaper Control Port G7
10.6.149 QOSC81 – TOKEN_RATE_G7
Serial Interface Address: h598
10.6.150 QOSC82 – TOKEN_LIMIT_G7
Serial Interface Address: h599
QOSC81 and QOSC82 correspond to parameters from section 7.6 on the shaper for EF traffic. QOSC81 is an
integer less than 64, with granularity 1. QOSC82 is the programmed maximum value of the counter (maximum
burst size). This value is expressed in multiples of 16. QOSC81 and QOSC82 apply to Gigabit port 7. Register
QOSC6F-CREDIT_C6_G7 programs the peak rate. See QoS application note for more information
10.6.151 RDRC0 – WRED Rate Control 0
I
2
C Address: h085, Serial Interface Address: h59A
Accessed by Serial Interface and I
2
C (R/W)
10.6.152 RDRC1 – WRED Rate Control 1
I
2
C Address: h086, Serial Interface Address: h59B
Accessed by Serial Interface and I
2
C (R/W)
Bits [7:0]
Bytes allow to transmit every frame time (0.512usec) when regulated by Shaper logic.
(Default: 8’h08)
Bits [7:0]
Bytes allow to continue transmit out when regulated by Shaper logic. (16byte/unit)
(Default: 8’hC0)
7
4
3
0
X Rate
Y Rate
Bits [7:4]:
Corresponds to the percentage X% in Chapter 7. Used for random early drop.
Granularity 6.25%.
(Default: 4’h8)
Bits[3:0]:
Corresponds to the percentage Y% in Chapter 7. Used for random early drop.
Granularity 6.25%.
(Default: 4’hE)
7
4
3
0
Z Rate
B Rate
Bits [7:4]:
Corresponds to the percentage Z% in Chapter 7. Used for random early drop. Granularity 6.25%.%.
(Default: 4’h6)
Bits[3:0]:
Corresponds to the best effort frame drop percentage B%, when shared pool is all in use and
destination port best effort queue reaches UCC. Used for random early drop. Granularity 6.25%.%.
(Default: 4’h8)
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