MPC8260CVR datasheet(13/48 Pages) MOTOROLA

13 / 48 page

MOTOROLA

MPC826xA (HiP4) Family Hardware Speciﬁcations

Electrical and Thermal Characteristics

Table 7 lists CPM output 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.

Table 6. Output Buffer Impedances1

1 These are typical values at 65˚ C. The impedance may vary

by ±25% with process and temperature.

Output Buffers

Typical Impedance (

Ω)

60x bus

Local bus

Memory controller

Parallel I/O

PCI

Table 7. AC Characteristics for CPM Outputs1

1 Output speciﬁcations 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

Max Delay (ns)

Min Delay (ns)

Max

Min

66 MHz 83 MHz 66 MHz 83 MHz

sp36a

sp37a

FCC outputs—internal clock (NMSI)

5.5

sp36b

sp37b

FCC outputs—external clock (NMSI)

sp40

sp41

TDM outputs/SI

sp38a

sp39a

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

0.5

sp38b

sp39b

Ex_SCC/SMC/SPI/I2C outputs—external clock (NMSI)

sp42

sp43

TIMER/IDMA outputs

0.5

sp42a

sp43a

PIO outputs

0.5

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)

5454

sp22

sp23

PIO/TIMER/IDMA inputs

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