参数资料
型号: DS33ZH11+
厂商: Maxim Integrated Products
文件页数: 116/172页
文件大小: 0K
描述: IC MAPPER ETHERNET 100CSBGA
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 7
应用: 数据传输
接口: 串行
电源电压: 1.8V,2.5V,3.3V
封装/外壳: 100-LFBGA,CSPBGA
供应商设备封装: 100-CSBGA(10x10)
包装: 托盘
安装类型: 表面贴装
DS33Z11 Ethernet Mapper
48 of 172
8.14.1 MII Mode Options
The Ethernet interface can be configured for MII operation by setting the hardware pin RMIIMIIS low. The MII
interface consists of 17 pins. For instructions on clocking the Ethernet Interface while in MII mode, see
Section 8.3. Diagrams of system connections for MII operation are shown in Figure 8-5 and Figure 8-6.
8.14.2 RMII Mode
The Ethernet interface can be configured for RMII operation by setting the hardware pin RMIIMIIS high. RMII
interface operates synchronously from the external 50 MHz reference (REF_CLK). Only 7 signals are required.
The following figure shows the RMII architecture. Note that DCE mode is not supported for RMII mode and RMII
is valid only for full duplex operation.
Figure 8-7 RMII Interface
TXD[1:0]
TX_EN
REF_CLK
RXD[1:0]
CRS_DV
MAC MII to RMII
PHY RMII to MII
TX_EN
TXD[3:0]
TX_ERR
TX_CLK
RX_CRS
RX_DV
RX_CRS
RX_CLK
TX_EN
TXD[3:0]
TX_ERR
TX_CLK
CRS
RX_DV
RXD[3:0]
RX_ER
RX_CLK
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