参数资料
型号: ZL50418GKG2
厂商: CONEXANT SYSTEMS
元件分类: 网络接口
英文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA553
封装: 37.50 X 37.50 MM, 2.33 MM HEIGHT, LEAD FREE, MS-034, HSBGA-553
文件页数: 20/155页
文件大小: 1928K
代理商: ZL50418GKG2
ZL50418
Data Sheet
116
Zarlink Semiconductor Inc.
12.3.6.30
QOSC24~27 - Classes WFQ Credit Set 0
Accessed by CPU and serial interface
W0 - QOSC24[5:0] – CREDIT_C00 (CPU Address 52f)
W1 - QOSC25[5:0] – CREDIT_C01 (CPU Address 530)
W2 - QOSC26[5:0] – CREDIT_C02 (CPU Address 531)
W3 - QOSC27[5:0] – CREDIT_C03 (CPU Address 532)
QOSC24 through QOSC27 represents one set of WFQ parameters for a 10/100 port. There are four such sets of
values. The granularity of the numbers is 1, and their sum must be 64. QOSC27 corresponds to W3 and QOSC24
corresponds to W0.
QOSC24[7:6]: Priority service type for the ports select this parameter set. Option 1 to option 4.
QOSC25[7]: Priority service allow flow control for the ports select this parameter set.
QOSC25[6]: Flow control pause best effort traffic only
Both flow control allow and flow control best effort only can take effect only the priority type is WFQ.
12.3.6.31
QOSC28~31 - Classes WFQ Credit Set 1
Accessed by CPU and serial interface
W0 - QOSC28[5:0] – CREDIT_C10 (CPU Address 533)
W1 - QOSC29[5:0] – CREDIT_C11 (CPU Address 534)
W2 - QOSC30[5:0] – CREDIT_C12 (CPU Address 535)
W3 - QOSC31[5:0] – CREDIT_C13 (CPU Address 536)
QOSC28 through QOSC31 represents one set of WFQ parameters for a 10/100 port. There are four such sets of
values. The granularity of the numbers is 1, and their sum must be 64. QOSC31 corresponds to W3 and QOSC28
corresponds to W0.
QOSC28[7:6]: Priority service type for the ports select this parameter set. Option 1 to option 4.
QOSC29[7]: Priority service allow flow control for the ports select this parameter set.
QOSC29[6]: Flow control pause best effort traffic only
12.3.6.32
QOSC32~35 - Classes WFQ Credit Set 2
Accessed by CPU and serial interface
W0 - QOSC32[5:0] – CREDIT_C20 (CPU Address 537)
W1 - QOSC33[5:0] – CREDIT_C21 (CPU Address 538)
W2 - QOSC34[5:0] – CREDIT_C22 (CPU Address 539)
W3 - QOSC35[5:0] – CREDIT_C23 (CPU Address 53a)
QOSC35 through QOSC32 represents one set of WFQ parameters for a 10/100 port. There are four such sets of
values. The granularity of the numbers is 1 and their sum must be 64. QOSC35 corresponds to W3 and QOSC32
corresponds to W0.
QOSC32[7:6]: Priority service type for the ports select this parameter set. Option 1 to option 4.
QOSC33[7]: Priority service allow flow control for the ports select this parameter set.
QOSC33[6]: Flow control pause for best effort traffic only
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