参数资料
型号: ST40RA150XH6
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 150 MHz, RISC PROCESSOR, PBGA372
封装: 27 X 27 MM, BGA-372
文件页数: 47/90页
文件大小: 672K
代理商: ST40RA150XH6
6 Electrical specifications
ST40RA166
51/88
6.7
General purpose peripheral bus (EMI) AC specifications
Figure 14: EMI AC timings
Symbol
Parameter
Min
Max
Units
Note
tECHECH
EMI reference clock period
12
ns
a
a. EMI reference clock is defined as the time when ECLKOUT, MCLKOUT and FCLKOUT are all valid.
tECHECL
EMI reference clock high time
4
ns
tECLECH
EMI reference clock low period
4
ns
tECHCH
EMI reference clock high to all clocks high
-1
0
ns
tECLCL
EMI reference clock low to all clocks low
-1
0
ns
tECHEOV
EMI reference clock high to output signals valid
1
6.5
ns
tECLEOV
EMI reference clock low to output signals valid
-1
6.5
ns
1
tECHEOZ
EMI reference clock high to outputs tri-state
4
ns
tECHEON
EMI reference clock high to outputs on
ns
1
tEIVECH
Input signals valid to EMI reference clock high
4
ns
b
tECHEIX
Input signals hold after EMI reference clock high
2
ns
2
Table 27: EMI AC timings
Tri-state outputs
Outputs switched on full cycle
tECHLON
tECHLOZ
Inputs
tECHEIX
tMWVECH
tECHECH
tECHECL
tRCLRCH
tECHEOV
tEIVECH
tECHMWX
Outputs switched on 1/2 cycle
tECLEOV
FCLKOUT
tECHCH
tECLCL
ECLKOUT
MCLKOUT
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