參數(shù)資料
型號(hào): KSZ8873MLLI
廠商: Micrel Inc
文件頁數(shù): 58/115頁
文件大?。?/td> 0K
描述: IC ETHERNET SWITCH 3PORT 64LQFP
產(chǎn)品培訓(xùn)模塊: KSZ8873 Ethernet Switches
標(biāo)準(zhǔn)包裝: 160
控制器類型: 以太網(wǎng)開關(guān)控制器
接口: MII
電源電壓: 1.8V,2.5V,3.3V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-PQFP(10x10)
包裝: 托盤
Micrel, Inc.
KSZ8873MLL/FLL/RLL
September 20, 2013
47
Revision 1.6
Near-End (Remote) Loopback
Near-end (Remote) loopback is conducted at either PHY port 1 or PHY port 2.of the KSZ8873MLL/FLL/RLL. The
loopback path starts at the PHY port’s receive inputs (RXPx/RXMx), wraps around at the same PHY port’s PMD/PMA,
and ends at the PHY port’s transmit outputs (TXPx/TXMx).
Bit [1] of registers 26 and 42 is used to enable near-end loopback for ports 1 and 2, respectively. Alternatively, the MII
Management register 31, bit [1] can be used to enable near-end loopback.
The near-end loopback paths are illustrated in Figure 14.
TXP1 /
TXM1
RXP1 /
RXM1
RXP2 /
RXM2
TXP2 /
TXM2
PHY
Port 1
PHY
Port 2
PMD/PMA
PCS
MAC
Switch
MAC
PCS
PMD/PMA
Figure 14. Near-End (Remote) Loopback Path
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