zl50404 Zarlink Semiconductor, zl50404 Datasheet - Page 104
zl50404
Manufacturer Part Number
zl50404
Description
Lightly Managed/unmanaged 5-port 10/100m Ethernet Switch
Manufacturer
Zarlink Semiconductor
Datasheet
1.ZL50404.pdf
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If CPU wants to reset pools again, CPU has to clear bit 5 and then set bit 5.
Note: Before CPU doing so, CPU should set QCTRL (CPU Address EBA) bit 2 and bit 3 to one. After reset the
pools, CPU shall reprogram free granule link list (CPU address EC1, EC2, EC3, EC4, EC5, EC6). Then clear
QCTRL (EBA).
13.3.10.17
CPU address EC1
Accessed by CPU (R/W)
CPU address EC2
Accessed by CPU (R/W)
If CPU wants to write again, CPU has to clear bit 15 and then set bit 15.
13.3.10.18
CPU address EC3
Accessed by CPU (R/W)
CPU address EC4
Accessed by CPU (R/W)
If CPU wants to write again, CPU has to clear bit 15 and then set bit 15.
13.3.10.19
CPU address EC5
Accessed by CPU (R/W)
Bit [5]
Bit [7:6]
Bit [7:0]
Bit [6:0]
Bit [7]
Bit [7:0]
Bit [6:0]
Bit [7]
Bit [7:0]
FCB_HEAD_PTR0, FCB_HEAD_PTR1
FCB_TAIL_PTR0, FCB_TAIL_PTR1
FCB_NUM0, FCB_NUM1
Set 1 to reset the pools that are assigned
Reserved
Fcb_head_ptr[7:0]. The head pointer of free granule link that CPU assigns.
Fcb_head_ptr[14:8]. The head pointer of free granule link that CPU assigns.
Set 1 to write
Fcb_tail_ptr[7:0]. The tail pointer of free granule link that CPU assigns.
Fcb_tail_ptr[14:8]. The tail pointer of free granule link that CPU assigns.
Set 1 to write
Fcb_number[7:0]. The total number of granules that CPU assigns.
Zarlink Semiconductor Inc.
ZL50404
104
Data Sheet
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