mc9s12ne64 Freescale Semiconductor, Inc, mc9s12ne64 Datasheet - Page 528

• Manufacturer Part Number: mc9s12ne64
• Description: Hcs12 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Appendix A Electrical Characteristics
A.14.2
A.14.2.1
528
Typical values are at 25°C.
1 BT = Bit Time = 100 ns
These parameters are the minimum and maximum times as specified in section 24.6 of the IEEE 802.3u Standard
Num
1
2
3
4
5
6
TXD
TXEN
COL
Auto Negotiation
MII – 100BASE-TX Transmit Timing Parameters
C
D
D
D
D
D
D
Table A-20. MII – Auto Negotiation and Fast Link Pulse Timing Parameters
TX+
Clock/data pulse width
Clock pulse to clock pulse
Clock pulse to data pulse (data = 1)
Pulses in a burst
FLP burst width
FLP burst to FLP burst
Figure A-7. Auto-Negotiation and Fast Link Pulse Timing
Clock Pulse
t1
Figure A-6. 10BASE-T SQE (Heartbeat) Timing
Parameter
t1
MC9S12NE64 Data Sheet, Rev. 1.1
t3
Data Pulse
t2
t1
Sym
t1
t2
t3
t4
t5
t6
Clock Pulse
55.5
Min
111
17
t2
8
62.5
Typ
100
125
16
2
Freescale Semiconductor
Max
69.5
139
33
24
Units
ms
ms
ns
µs
µs
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