参数资料
型号: 4450HG/3-K
厂商: EXAR CORP
元件分类: 微控制器/微处理器
英文描述: MICROPROCESSOR, PBGA324
封装: ROHS COMPLIANT, HSBGA-324
文件页数: 74/92页
文件大小: 780K
代理商: 4450HG/3-K
4450 – Data Sheet, DS-0131-06
Page 76
Hifn Confidential
Figure 8-7. RTBI Receive Signal Timing
8.7 RGMII Timing
Note that not all PHYs meet these RGMII timing requirements. Careful attention should be
given to the specific PHY specification and its possible board routing implications.
Table 8-8. RGMII Timing
Figure 8-8. RGMII Transmit Signal Timing
Figure 8-9. RGMII Receive Signal Timing
Mode
Rise Time
Fall Time
Input Signals
Output Signals
(max)
Setup
Hold
Setup
Hold
RGMII
0.75 ns
1.00 ns
1.20 ns
RXC
Rx_Ctl
RXD[3:0]
DATA1
DATA2
DATAN
Tdelay
Thld
TXC
TXD[3:0]
DATA1
DATA2
DATAN
Tsu
Thld
RXC
Rx_Ctl
RXD[3:0]
DATA1
DATA2
DATAN
Tdelay
Thld
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参数描述
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