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MPC8248VRP Datasheet(PDF) 18 Page - Motorola, Inc |
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MPC8248VRP Datasheet(HTML) 18 Page - Motorola, Inc |
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18 / 56 page ![]() 18 MPC8272 PowerQUICC II™ Family Hardware Specifications MOTOROLA PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE AC Electrical Characteristics AC Electrical Characteristics Figure 7 shows TDM input and output signals. Figure 7. TDM Signal Diagram Figure 8 shows PIO and timer signals. Figure 8. PIO and Timer Signal Diagram Serial CLKin TDM input signals TDM output signals sp20 sp21 sp40/sp41 Note: There are four possible TDM timing conditions: 1. Input sampled on the rising edge and output driven on the rising edge (shown). 2. Input sampled on the rising edge and output driven on the falling edge. 3. Input sampled on the falling edge and output driven on the falling edge. 4. Input sampled on the falling edge and output driven on the rising edge. Sys clk PIO/IDMA/TIMER[TGATE assertion] input signals IDMA output signals sp22 sp23 sp42/sp43 TIMER(sp42/43)/ PIO(sp42a/sp43a) sp42a/sp43a output signals sp42/sp43 TIMER input signal [TGATE deassertion] sp22 sp23 Note: TGATE is asserted on the rising edge of the clock; it is deasserted on the falling edge. (See note) (See note) Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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