MC9S12NE64_06 Datasheet, PDF (523/554 Pages) Freescale Semiconductor, Inc – Microcontrollers

EMAC Electrical Characteristics
A.13 EMAC Electrical Characteristics
NOTE
The electrical characteristics given in the EMAC section are
preliminary and should be used as a guide only. Values cannot be
guaranteed by Freescale Semiconductor and are subject to change
without notice.
A.13.1 MII Timing
The following MII timing is based on IEEE Std 802.3.
A.13.1.1 MII Receive Signal Timing (MII_RXD[3:0], MII_RXDV, MII_RXER,
MII_RXCLK)
Table A-14. MII Receive Signal Timing
Num
M1
M2
M3
M4
Characteristic
RXD[3:0], RXDV, RXER setup to RXCLK rise
RXCLK rise to RXD[3:0], RXDV, RXER hold
RXCLK pulse width high
RXCLK pulse width low
Min
10
10
35%
35%
Max
—
—
65%
65%
Unit
ns
ns
RXCLK period
RXCLK period
M3
RXCLK (input)
RXD[3:0] (inputs)
RXDV
RXER
M4
M1
M2
Figure 18-24. MII Receive Signal Timing Diagram
MC9S12NE64 Data Sheet, Rev. 1.1
Freescale Semiconductor
523