參數(shù)資料
型號: P610ARM-B
廠商: Zarlink Semiconductor Inc.
英文描述: General purpose 32-bit microprocessor
中文描述: 通用32位微處理器
文件頁數(shù): 158/173頁
文件大?。?/td> 897K
代理商: P610ARM-B
AC Parameters
ARM610 Data Sheet
13-2
13.1 Test Conditions
The AC timing diagrams presented in this section assume that the outputs of ARM610
have been loaded with the capacitive loads shown in the Test Load column of the table
below; these loads have been chosen as typical of the system in which ARM610 might
be employed. The output pads of ARM610 are CMOS drivers which exhibit a
propagation delay that increases linearly with the increase in load capacitance. An
Output derating figure is given for each output pad, showing the approximate rate of
increase of output time with increasing load capacitance.
13.2 Relationship between FCLK and MCLK
Figure 13-1: Clock timing relationship
Output signal
Test load (pF)
Output derating (ns/pF)
A[25:0]
50
0.072
D[31:0]
50
0.072
nR/W
50
0.072
nB/W
50
0.072
LOCK
50
0.072
nMREQ
50
0.072
SEQ
50
0.072
Table 13-1: ARM610 AC test conditions
Tfckl
Tfckh
FCLK
MCLK
Tfmh
Twh
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