XPC8260ZUIFBC datasheet(15/50 Pages) FREESCALE

15 / 50 page

MPC8260A PowerQUICC™ II Integrated Communications Processor Hardware Specifications, Rev. 2.0

Freescale Semiconductor

Electrical and Thermal Characteristics

Table 8 lists CPM input 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

Table 8. AC Characteristics for CPM Inputs1

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.

Spec Number

Characteristic

Setup (ns)

Hold (ns)

Max

Min

66 MHz 83 MHz 66 MHz 83 MHz

sp16a

sp17a

FCC inputs—internal clock (NMSI)

sp16b

sp17b

FCC inputs—external clock (NMSI)

2.5

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

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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