参数资料
型号: MPC8280CZUUPE
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 100 MHz, RISC PROCESSOR, PBGA480
封装: 37 X 37 MM, 1.27 MM PITCH, FTBGA-480
文件页数: 57/156页
文件大小: 1680K
代理商: MPC8280CZUUPE
MOTOROLA
MPC8280 PowerQUICC II Family Hardware Specications
15
AC Electrical Characteristics
6.1
CPM AC Characteristics
Table 9 lists CPM output characteristics.
Table 10 lists CPM input characteristics.
NOTE
Although the specications generally reference the rising edge of the
clock, the following AC timing diagrams also apply when the falling edge
is the active edge.
Table 9. AC Characteristics for CPM Outputs1
1 Output specications are measured from the 50% level of the rising edge of CLKIN to the 50% level of the signal.
Timings are measured at the pin.
Spec Number
Characteristic
Value (ns)
Max
Min
Maximum Delay
Minimum Delay
66 MHz
83 MHz 100 MHz 66 MHz
83 MHz 100 MHz
sp36a sp37a FCC outputs—internal clock (NMSI)
6
5.5
0.5
sp36b sp37b FCC outputs—external clock (NMSI)
888222
sp38a sp39a SCC/SMC/SPI/I2C outputs—internal
clock (NMSI)
10
0
sp38b sp39b SCC/SMC/SPI/I2C outputs—external
clock (NMSI)
888222
sp40
sp41 TDM outputs/SI
11
2.5
sp42
sp43 TIMER/IDMA outputs
14
11
1
0.5
sp42a sp43a PIO outputs
14
11
0.5
Table 10. AC Characteristics for CPM Inputs1
1 Input specications are measured from the 50% level of the signal to the 50% level of the rising edge of CLKIN.
Timings are measured at the pin.
Spec Number
Characteristic
Value (ns)
Setup
Hold
Setup
Hold
66 MHz
83 MHz 100 MHz 66 MHz
83 MHz 100 MHz
sp16a sp17a FCC inputs—internal clock (NMSI)
666000
sp16b sp17b FCC inputs—external clock (NMSI)
3
2.5
2
sp18a sp19a SCC/SMC/SPI/I2C inputs—internal
clock (NMSI)
666000
sp18b sp19b SCC/SMC/SPI/I2C inputs—external
clock (NMSI)
544222
sp20
sp21 TDM inputs/SI
3
2.5
sp22
sp23 PIO/TIMER/IDMA inputs
10
8
0.5
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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