mpc8314e Freescale Semiconductor, Inc, mpc8314e Datasheet - Page 29

• Manufacturer Part Number: mpc8314e
• Description: Powerquicc Ii Pro Processor Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

Figure 15
9.3
The electrical characteristics specified here apply to MII management interface signals management data
input/output (MDIO) and management data clock (MDC). The electrical characteristics for MII, RMII,
RGMII, and RTBI are specified in
Electrical
9.3.1
The MDC and MDIO are defined to operate at a supply voltage of 3.3 V. The DC electrical characteristics
for MDIO and MDC are provided in
Freescale Semiconductor
Supply voltage (3.3 V)
Output high voltage
Output low voltage
Input high voltage
Input low voltage
(At Transmitter)
Ethernet Management Interface Electrical Characteristics
Characteristics.”
shows the RGMII and RTBI AC timing and multiplexing diagrams.
(At Controller)
Parameter
RXD[8:5][3:0]
RXD[7:4][3:0]
TXD[8:5][3:0]
TXD[7:4][3:0]
MII Management DC Electrical Characteristics
GTX_CLK
(At PHY)
RX_CTL
RX_CLK
TX_CLK
TX_CTL
Table 30. MII Management DC Electrical Characteristics Powered at 3.3 V
MPC8314E PowerQUICC
Figure 15. RGMII and RTBI AC Timing and Multiplexing Diagrams
Symbol
NVDD
Section 9.1, “eTSEC (10/100/1000 Mbps)—MII/RMII/RGMII/RTBI
V
RXD[3:0]
V
TXD[3:0]
V
V
RXD[4]
TXD[4]
OH
TXEN
RXDV
OL
IH
IL
Table
™
II Pro Processor Hardware Specifications, Rev. 0
I
30.
OH
I
OL
RXD[8:5]
RXD[7:4]
TXD[8:5]
TXD[7:4]
RXERR
TXERR
RXD[9]
TXD[9]
= –1.0 mA
= 1.0 mA
—
—
—
Conditions
NVDD = Min
NVDD = Min
t
t
SKRGT
SKRGT
—
—
—
t
RGTH
Ethernet: Three-Speed Ethernet, MII Management
2.10
2.00
Min
V
3.0
—
SS
t
RGT
NVDD + 0.3
t
t
SKRGT
SKRGT
Max
0.50
0.80
3.6
—
Unit
V
V
V
V
V
29