mcf51cn128 Freescale Semiconductor, Inc, mcf51cn128 Datasheet - Page 25

• Manufacturer Part Number: mcf51cn128
• Description: Mcf51cn128 Coldfire Microcontroller Cover Mcf51cn128
• Manufacturer: Freescale Semiconductor, Inc

3.11.2
3.11.3
Freescale Semiconductor
Num
E9
Num
E5
E6
E7
E8
—
C
D
Transmit Signal Timing Specifications
Asynchronous Input Signal Timing Specifications
—
C
D
P
D
D
CRS, COL minimum pulse width
TXCLK frequency
TXCLK to TXD[3:0], TXEN, TXER valid
TXCLK pulse width high
TXCLK pulse width low
TXCLK to TXD[3:0], TXEN, TXER invalid
CRS, COL
TXCLK (Input)
RXCLK (Input)
TXD[n:0]
MCF51CN128 ColdFire Microcontroller Data Sheet, Rev. 4
RXD[n:0]
TXEN,
TXER
Figure 16. MII Transmit Signal Timing Diagram
Figure 15. MII Receive Signal Timing Diagram
RXDV,
RXER
Figure 17. MII Async Inputs Timing Diagram
Characteristic
Table 15. MII Transmit Signal Timing
Table 14. Transmit Signal Timing
Characteristic
E6
E9
E1
E4
Valid Data
E8
Valid Data
E3
E2
E7
E5
Min
1.5
35%
35%
Min
—
—
5
MII Mode
Max
65%
65%
—
Max
25
25
—
Electrical Characteristics
TXCLK period
t
t
TXCLK
TXCLK
MHz
Unit
ns
Unit
ns
25