參數(shù)資料
型號: ZL50408GDG2
廠商: CONEXANT SYSTEMS
元件分類: 網(wǎng)絡(luò)接口
英文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA208
封裝: 17 X 17 MM, 1.40 MM HEIGHT, LEAD FREE, MO-192, LBGA-208
文件頁數(shù): 29/144頁
文件大小: 1779K
代理商: ZL50408GDG2
ZL50408
Data Sheet
124
Zarlink Semiconductor Inc.
CPU address: h0ECC
Accessed by CPU (RO)
CPU address: h0ECD
Accessed by CPU (RO)
12.3.11
(Group F Address) CPU Access Group
12.3.11.1
GCR - Global Control Register
CPU Address: h0F00
Accessed by CPU (R/W)
Bits [4:0]
Rls_count[6:2]
Bit [5]
If 1, then It is multicast packet.
Bits [7:6]
Rls_src_port[1:0[
Bits [1:0]
Rls_src_port[3:2]
Bits [3:2]
Class[1:0]
Bit [4]
This release request is from QM directly.
Bits [7:5]
Entries count in release FIFO, 0 means FIFO is empty
Bit [0]:
Store configuration (Default = 0)
Write ‘1’ followed by ‘0’ to store configuration into external EEPROM
Bit [1]:
Store configuration and reset (Default = 0)
Write ‘1’ to store configuration into external EEPROM and reset chip
Bit [2]:
Start BIST (Default = 0)
Write ‘1’ followed by ‘0’ to start the device’s built-in self-test. The result is
found in the DCR register.
Bit [3]:
Soft Reset (Default = 0)
Write ‘1’ to reset chip
Bit [4]:
Initialization Completed (Default = 0)
This bit is reserved in unmanaged mode.
In managed mode, the CPU writes this bit with ‘1’ to indicate initialization is
completed and ready to forward packets. The ‘0' to '1' transition will toggle
TSTOUT[2] from low to high.
Bits [7:5]:
Reserved
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