參數(shù)資料
型號(hào): XPC850ZT80BU
英文描述: Microprocessor
中文描述: 微處理器
文件頁數(shù): 57/76頁
文件大?。?/td> 825K
代理商: XPC850ZT80BU
MOTOROLA
MPC850 (Rev. A/B/C) Hardware Specifications
57
Ethernet Electrical Specifications
Figure 8-52. HDLC Bus Timing Diagram
8.7
Ethernet Electrical Specifications
Table 8-20 provides the Ethernet timings as shown in Figure 8-53 to Figure 8-55.
Table 8-20. Ethernet Timing
Num
Characteristic
All Frequencies
Unit
Min
Max
120
CLSN width high
40.00
ns
121
RCLKx rise/fall time (x = 2, 3 for all specs in this table)
15.00
ns
122
RCLKx width low
40.00
ns
123
RCLKx clock period
1
80.00
120.00
ns
124
RXDx setup time
20.00
ns
125
RXDx hold time
5.00
ns
126
RENA active delay (from RCLKx rising edge of the last data bit)
10.00
ns
127
RENA width low
100.00
ns
128
TCLKx rise/fall time
15.00
ns
129
TCLKx width low
40.00
ns
130
TCLKx clock period
1
99.00
101.00
ns
131
TXDx active delay (from TCLKx rising edge)
10.00
50.00
ns
132
TXDx inactive delay (from TCLKx rising edge)
10.00
50.00
ns
TCLKx
CTSx
(Echo Input)
102
100
104
TXDx
(Output)
102
101
RTSx
(Output)
103
104
107
105
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