MPC857T Freescale Semiconductor, Inc, MPC857T Datasheet - Page 60

• Manufacturer Part Number: MPC857T
• Description: Mpc857t Powerquicc Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

CPM Electrical Characteristics
11.8
Table 22
60
Num
120
121
122
123
124
125
126
127
128
129
130
131
132
133
provides the Ethernet timings as shown in
(Echo Input)
Ethernet Electrical Specifications
CLSN width high
RCLK1 rise/fall time
RCLK1 width low
RCLK1 clock period
RXD1 setup time
RXD1 hold time
RENA active delay (from RCLK1 rising edge of the last data bit)
RENA width low
TCLK1 rise/fall time
TCLK1 width low
TCLK1 clock period
TXD1 active delay (from TCLK1 rising edge)
TXD1 inactive delay (from TCLK1 rising edge)
TENA active delay (from TCLK1 rising edge)
(Output)
(Output)
TCLK1
RTS1
CTS1
TxD1
MPC862/857T/857DSL PowerQUICC™ Family Hardware Specifications, Rev. 3
102
1
1
Figure 59. HDLC Bus Timing Diagram
102
103
104
Characteristic
Table 22. Ethernet Timing
105
101
Figure 60
100
107
though
Figure
All Frequencies
Min
100
64.
40
40
80
20
10
40
99
10
10
10
—
—
5
104
Freescale Semiconductor
Max
120
101
15
15
50
50
50
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns