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XPC8260ZUIFBC Datasheet, PDF (18/50 Pages) Freescale Semiconductor, Inc – PowerQUICC II Integrated Communications Processor Hardware Specifications
Electrical and Thermal Characteristics
Figure 8 shows PIO, timer, and DMA signals.
Sys clk
PIO/IDMA/TIMER[TGATE assertion] input signals
(See note)
sp22
TIMER input signal [TGATE deassertion]
(See note)
sp23
sp22
sp42/sp43
sp23
IDMA output signals
sp42/sp43
sp42a/sp43a
TIMER(sp42/43)/ PIO(sp42a/sp43a)
output signals
Note: TGATE is asserted on the rising edge of the clock; it is deasserted on the falling edge.
Figure 8. PIO, Timer, and DMA Signal Diagram
Table 10 lists SIU input characteristics.
Table 9. AC Characteristics for SIU Inputs1
Spec Number
Max
Min
Characteristic
Setup (ns)
Hold (ns)
66 MHz 83 MHz 66 MHz 83 MHz
sp11
sp10 AACK/ARTRY/TA/TS/TEA/DBG/BG/BR
6
5
0.5
0.5
sp12
sp10 Data bus in normal mode
5
4
0.5
0.5
sp13
sp10 Data bus in ECC and PARITY modes
8
6
0.5
0.5
sp14
sp10 DP pins
7
6
0.5
0.5
sp15
sp10 All other pins
5
4
0.5
0.5
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.
MPC8260A PowerQUICC™ II Integrated Communications Processor Hardware Specifications, Rev. 2.0
18
Freescale Semiconductor