参数资料
型号: DS33ZH11+
厂商: Maxim Integrated Products
文件页数: 51/172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
144 of 172
Figure 10-5 MII Transmit Functional Timing
TXD[3:0]
TX_EN
TX_CLK
P
R
E
A
E
M
B
L
E
F
C
S
Figure 10-6 MII Transmit Half Duplex with a Collision Functional Timing
TXD[3:0]
TX_EN
TX_CLK
P
R
E
A
M
B
L
E
J
CRS
COL
Receive Data (RXD[3:0]) is clocked from the external PHY synchronously with RX_CLK. The RX_CLK signal is
2.5 MHz for 10 Mbps operation and 25 MHz for 100 Mbps operation. RX_DV is asserted by the PHY from the first
nibble of the preamble in 100 Mbps operation or first nibble of SFD for 10 Mbps operation. The data on RXD[3:0]
is not accepted by the MAC if RX_DV is low or RX_ERR is high (in DTE mode). RX_ERR should be tied low
when in DCE Mode.
Figure 10-7 MII Receive Functional Timing
RXD[3:0]
RX_CLK
P
R
E
A
E
M
B
L
E
F
C
S
In RMII Mode, TX_EN is high with the first bit of the preamble. The TXD[1:0] is synchronous with the 50 MHz
REF_CLK. For 10 Mbps operation, the data bit outputs are updated every 10 clocks.
Figure 10-8 RMII Transmit Interface Functional Timing
TXD[1:0]
TX_EN
REF_CLK
P
R
E
A
M
B
L
E
F
C
S
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