
MPC8347E PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 11
Freescale Semiconductor
31
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
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.