参数资料
型号: MPC5200VR466BR2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 466 MHz, MICROPROCESSOR, PBGA272
封装: 27 X 27 MM, 1.27 MM PITCH, ROHS COMPLIANT, PLASTIC, BGA-272
文件页数: 38/80页
文件大小: 788K
代理商: MPC5200VR466BR2
Electrical and Thermal Characteristics
MPC5200B Data Sheet, Rev. 0.6
Freescale Semiconductor
43
Figure 29. Ethernet Timing Diagram—MII Async
Figure 30. Ethernet Timing Diagram—MII Serial Management
Table 34. MII Serial Management Channel Signal Timing
Sym
Description
Min
Max
Unit
SpecID
t10
MDC falling edge to MDIO output delay
0
25
ns
A9.10
t11
MDIO (input) to MDC rising edge setup
10
ns
A9.11
t12
MDIO (input) to MDC rising edge hold
10
ns
A9.12
t13
MDC pulse width high(1)
NOTES:
1
MDC is generated by MPC5200B with a duty cycle of 50% except when MII_SPEED in the FEC MII_SPEED
control register is changed during operation. See the MPC5200B User Manual [1].
160
ns
A9.13
t14
MDC pulse width low(1)
160
ns
A9.14
t15
MDC period(2)
2
The MDC period must be set to a value of less than or equal to 2.5 MHz (to be compliant with the IEEE MII
characteristic) by programming the FEC MII_SPEED control register. See the MPC5200B User Manual [1].
400
ns
A9.15
t9
CRS, COL
t14
t13
t12
MDC (Output)
MDIO (Input)
MDIO (Output)
t11
t10
t15
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