mpc8313e Freescale Semiconductor, Inc, mpc8313e Datasheet - Page 31

• Manufacturer Part Number: mpc8313e
• Description: Mpc8313e Powerquicc Ii Pro Processor
• Manufacturer: Freescale Semiconductor, Inc

8.3.2
Table 31
Figure 14
Freescale Semiconductor
At recommended operating conditions with LV
MDC frequency
MDC period
MDC clock pulse width high
MDC to MDIO delay
MDIO to MDC setup time
MDIO to MDC hold time
MDC rise time
MDC fall time
Notes:
1. The symbols used for timing specifications herein follow the pattern of t
for inputs and t
management data timing (MD) for the time t
hold time. Also, t
valid state (V) relative to the t
latter convention is used with the appropriate letter: R (rise) or F (fall).
Parameter/Condition
provides the MII management AC timing specifications.
shows the MII management AC timing diagram.
MII Management AC Electrical Specifications
(first two letters of functional block)(reference)(state)(signal)(state)
MDDVKH
(Output)
(Input)
MDIO
MDIO
MPC8313E PowerQUICC
MDC
symbolizes management data timing (MD) with respect to the time data input signals (D) reach the
Figure 14. MII Management Interface Timing Diagram
MDC
Table 31. MII Management AC Timing Specifications
clock reference (K) going to the high (H) state or setup time. For rise and fall times, the
t
MDCH
DDA
t
MDDVKH
/LV
Symbol
t
t
t
MDKHDX
MDDVKH
MDDXKH
MDC
t
t
t
t
MDC
DDB
f
t
MDCH
MDCR
MDHF
MDC
MDC
™
t
MDKHDX
from clock reference (K) high (H) until data outputs (D) are invalid (X) or data
is 3.3 V ± 10% or 2.5 V ± 5%
II Pro Processor Hardware Specifications, Rev. 0
1
Min
32
10
—
—
—
—
5
0
t
MDCF
for outputs. For example, t
(first two letters of functional block)(signal)(state) (reference)(state)
t
MDDXKH
Typ
400
t
2.5
MDCR
—
—
—
—
—
—
Ethernet: Three-Speed Ethernet, MII Management
Max
170
10
10
—
—
—
—
—
MDKHDX
symbolizes
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
Notes
2
31