參數(shù)資料
型號: ZL50408GDC
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, MO-192, LBGA-208
文件頁數(shù): 31/144頁
文件大?。?/td> 1779K
代理商: ZL50408GDC
ZL50408
Data Sheet
126
Zarlink Semiconductor Inc.
12.3.11.5
DTST – Data read back register
CPU Address: h0F04
Accessed by CPU (RO)
This register provides various internal information as selected in DPST bit [4:0]. Refer to the PHY Port Control
Application Note, ZLAN-37.
12.3.11.6
DA – Dead or Alive Register
CPU Address: h0FFF
Accessed by CPU (RO)
Always return 8’h DA. Indicate the CPU interface or serial port connection is good.
Bit [0]
Flow control enable
1: Flow control
0: No flow control
Bit [1]
Full duplex port
1: Full duplex
0: Half duplex
Bit [2]
Fast Ethernet port (if bit [5] not set)
1: FE Port
Bit [3]
Link is down
1: Link down
0: Link up
Bit [4]
Auto negotiation disabled
1: Disable
0: Enable
Bit [5]
Gigabit Ethernet port
1: GE Port
Bit [6]
Reserved
Bit [7]
Module detected (for hot swap purpose)
0: No module
1: Module detected
Note: If Module Detect feature is disabled (bootstrap TSTOUT[9]=’0’), this bit
will always be ‘1’.
Bits [7:0]
Always return DA
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