MPC875 Freescale Semiconductor, Inc, MPC875 Datasheet - Page 59

• Manufacturer Part Number: MPC875
• Description: Mpc875 Powerquicc Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

13.7
Table 24
Freescale Semiconductor
Num
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
CLSN width high
RCLK3 rise/fall time
RCLK3 width low
RCLK3 clock period
RXD3 setup time
RXD3 hold time
RENA active delay (from RCLK3 rising edge of the last data bit)
RENA width low
TCLK3 rise/fall time
TCLK3 width low
TCLK3 clock period
TXD3 active delay (from TCLK3 rising edge)
TXD3 inactive delay (from TCLK3 rising edge)
TENA active delay (from TCLK3 rising edge)
TENA inactive delay (from TCLK3 rising edge)
(Echo Input)
provides the Ethernet timings as shown in
Ethernet Electrical Specifications
(Output)
(Output)
TCLK3
RTS3
CTS3
TxD3
MPC875/MPC870 PowerQUICC™ Hardware Specifications, Rev. 4
102
1
1
Figure 55. HDLC Bus Timing Diagram
102
Characteristic
103
104
Table 24. Ethernet Timing
105
101
Figure 56
100
107
through
Figure
58.
All Frequencies
Min
100
6.5
40
40
80
20
10
40
99
10
10
—
—
—
CPM Electrical Characteristics
104
5
Max
120
101
15
15
50
50
50
50
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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