参数资料
型号: MPC8250AZQNJDX
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 291 MHz, RISC PROCESSOR, PBGA516
封装: 27 X 27 MM, 2.25 MM HEIGHT, 1 MM PITCH, PLASTIC, BGA-516
文件页数: 5/62页
文件大小: 945K
代理商: MPC8250AZQNJDX
MPC8250 Hardware Specifications, Rev. 2
Freescale Semiconductor
13
Electrical and Thermal Characteristics
Note that although the specifications generally reference the rising edge of the clock, the following AC
timing diagrams also apply when the falling edge is the active edge.
Figure 3 shows the FCC external clock.
Figure 3. FCC External Clock Diagram
sp20
sp21
TDM inputs/SI
15
12
10
sp18a
sp19a
SCC/SMC/SPI/I2C inputs—internal clock (NMSI)
20
16
0
sp18b
sp19b
SCC/SMC/SPI/I2C inputs—external clock (NMSI)
5
4
5
4
sp22
sp23
PIO/TIMER/IDMA inputs
10
8
3
1
Input specifications 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.
Table 8. AC Characteristics for CPM Inputs 1
Spec Number
Characteristic
Setup (ns)
Hold (ns)
Max
Min
66 MHz 83 MHz 66 MHz 83 MHz
Serial ClKin
FCC input signals
FCC output signals
Note: When GFMR[TCI] = 1
Note: When GFMR[TCI] = 0
sp16b
sp17b
sp36b/sp37b
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