MPC8250VR datasheet(13/60 Pages) FREESCALE

tên linh kiện	MPC8250VR

Giải thích chi tiết về linh kiện	Hardware Specifications

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MPC8250 Hardware Specifications, Rev. 1

Freescale Semiconductor

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

sp18a

sp19a

SCC/SMC/SPI/I2C inputs—internal clock (NMSI)

sp18b

sp19b

SCC/SMC/SPI/I2C inputs—external clock (NMSI)

sp22

sp23

PIO/TIMER/IDMA inputs

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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