XPC8260ZUIFBC Datasheet, PDF (15/50 Pages) Freescale Semiconductor, Inc – PowerQUICC II Integrated Communications Processor Hardware Specifications

Electrical and Thermal Characteristics
Table 8 lists CPM input characteristics.
Table 8. AC Characteristics for CPM Inputs¹
Spec Number
Max
Min
Characteristic
Setup (ns)
Hold (ns)
66 MHz 83 MHz 66 MHz 83 MHz
sp16a
sp17a FCC inputs—internal clock (NMSI)
10
8
0
0
sp16b
sp17b FCC inputs—external clock (NMSI)
3
2.5
3
2
sp20
sp21 TDM inputs/SI
15
12
12
10
sp18a
sp19a SCC/SMC/SPI/I2C inputs—internal clock (NMSI)
20
16
0
0
sp18b
sp19b SCC/SMC/SPI/I2C inputs—external clock (NMSI)
5
4
5
4
sp22
sp23 PIO/TIMER/IDMA inputs
10
8
3
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.
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.
Serial ClKin
FCC input signals
sp16b
FCC output signals
Note: When GFMR[TCI] = 0
sp17b
sp36b/sp37b
FCC output signals
Note: When GFMR[TCI] = 1
Figure 3. FCC External Clock Diagram
sp36b/sp37b
MPC8260A PowerQUICC™ II Integrated Communications Processor Hardware Specifications, Rev. 2.0
Freescale Semiconductor
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