参数资料
型号: MPC8308-KIT
厂商: Freescale Semiconductor
文件页数: 11/83页
文件大小: 0K
描述: KIT EVALUATION FOR MPC830X
标准包装: 1
系列: PowerQUICC II™ PRO
类型: MPU
适用于相关产品: MPC8308
所含物品: 板,线缆,CD,电源
MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 3
Freescale Semiconductor
19
Ethernet: Three-Speed Ethernet, MII Management
This figure shows the MII receive AC timing diagram.
Figure 9. MII Receive AC Timing Diagram RMII AC Timing Specifications
This figure provides the AC test load.
Figure 10. AC Test Load
8.2.2
RGMII AC Timing Specifications
This table presents the RGMII AC timing specifications.
Table 25. RGMII AC Timing Specifications
At recommended operating conditions with LVDD of 2.5 V ± 5%.
Parameter/Condition
Symbol 1
Min
Typ
Max
Unit
Data to clock output skew (at transmitter)
tSKRGT
–0.6
0.6
ns
Data to clock input skew (at receiver) 2
tSKRGT
1.0
2.6
ns
Clock cycle duration 3
tRGT
7.2
8.0
8.8
ns
Duty cycle for 1000Base-T 4, 5
tRGTH/tRGT
45
50
55
%
Duty cycle for 10BASE-T and 100BASE-TX 3, 5
tRGTH/tRGT
40
50
60
%
Rise time (20%–80%)
tRGTR
0.75
ns
Fall time (20%–80%)
tRGTF
0.75
ns
RX_CLK
RXD[3:0]
tMRDXKH
tMRX
tMRXH
tMRXR
tMRXF
RX_DV
RX_ER
tMRDVKH
Valid Data
Output
Z0 = 50
NVDD/2
RL = 50
or
LVDD/2
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