參數(shù)資料
型號: XPC860xxx
廠商: Motorola, Inc.
英文描述: Power Entry Modules RoHS Compliant: Yes
中文描述: 家庭硬件規(guī)格
文件頁數(shù): 50/76頁
文件大?。?/td> 857K
代理商: XPC860XXX
50
MPC860 Family Hardware Specifications
MOTOROLA
Serial Interface AC Electrical Specifications
Figure 11-49. SI Receive Timing Diagram with Normal Clocking (DSC = 0)
83
L1RCLK, L1TCLK width low (DSC =1)
P + 10
ns
83a
L1RCLK, L1TCLK width high (DSC = 1)
3
P + 10
ns
84
L1CLK edge to L1CLKO valid (DSC = 1)
30.00
ns
85
L1RQ valid before falling edge of L1TSYNC
4
1.00
L1TCL
K
86
L1GR setup time
2
42.00
ns
87
L1GR hold time
42.00
ns
88
L1CLK edge to L1SYNC valid (FSD = 00) CNT = 0000, BYT = 0,
DSC = 0)
0.00
ns
1
The ratio SYNCCLK/L1RCLK must be greater than 2.5/1.
2
These specs are valid for IDL mode only.
3
Where P = 1/CLKOUT. Thus, for a 25-MHz CLKO1 rate, P = 40 ns.
4
These strobes and TxD on the first bit of the frame become valid after L1CLK edge or L1SYNC, whichever is later.
Table 11-17. SI Timing (continued)
Num
Characteristic
All Frequencies
Unit
Min
Max
L1RXD
(Input)
L1RCLK
(FE=0, CE=0)
(Input)
L1RCLK
(FE=1, CE=1)
(Input)
L1RSYNC
(Input)
L1ST(4-1)
(Output)
71
72
70
71a
RFSD=1
75
73
74
77
78
76
79
BIT0
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