参数资料
型号: MPC8349ZUALF
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 667 MHz, MICROPROCESSOR, PBGA672
封装: 35 X 35 MM, 1.46 MM HEIGHT, 1 MM PITCH, TBGA-672
文件页数: 24/88页
文件大小: 1014K
代理商: MPC8349ZUALF
MPC8349E PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 10
30
Freescale Semiconductor
Ethernet:Three-Speed Ethernet, MII Management
8.3
Ethernet Management Interface Electrical Characteristics
The electrical characteristics specified here apply to the MII management interface signals management
data input/output (MDIO) and management data clock (MDC). The electrical characteristics for GMII,
8.3.1
MII Management DC Electrical Characteristics
The MDC and MDIO are defined to operate at a supply voltage of 2.5 or 3.3 V. The DC electrical
characteristics for MDIO and MDC are provided in Table 28 and Table 29.
Table 28. MII Management DC Electrical Characteristics Powered at 2.5 V
Parameter
Symbol
Conditions
Min
Max
Unit
Supply voltage (2.5 V)
LVDD
2.37
2.63
V
Output high voltage
VOH
IOH = –1.0 mA
LVDD = Min
2.00
LVDD +0.3
V
Output low voltage
VOL
IOL = 1.0 mA
LVDD = Min
GND – 0.3
0.40
V
Input high voltage
VIH
—LVDD = Min
1.7
V
Input low voltage
VIL
—LVDD = Min
–0.3
0.70
V
Input high current
IIH
VIN
1 = LV
DD
—10
μA
Input low current
IIL
VIN = LVDD
–15
μA
Note:
1. The symbol VIN, in this case, represents the LVIN symbol referenced in Table 1 and Table 2.
Table 29. MII Management DC Electrical Characteristics Powered at 3.3 V
Parameter
Symbol
Conditions
Min
Max
Unit
Supply voltage (3.3 V)
LVDD
—2.97
3.63
V
Output high voltage
VOH
IOH = –1.0 mA
LVDD = Min
2.10
LVDD +0.3
V
Output low voltage
VOL
IOL = 1.0 mA
LVDD = Min
GND
0.50
V
Input high voltage
VIH
—2.00
V
Input low voltage
VIL
0.80
V
Input high current
IIH
LVDD = Max
VIN
1 = 2.1 V
40
μA
Input low current
IIL
LVDD = Max
VIN = 0.5 V
–600
μA
Note:
1. The symbol VIN, in this case, represents the LVIN symbol referenced in Table 1 and Table 2.
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