Okay, let's break down the information from the provided text. This is a snippet of a larger document detailing the hardware specifications of the MPC866/MPC859 processors.

Overall Purpose: This extract is part of a larger datasheet/technical reference manual, aimed at engineers who are designing systems that utilize these processors.

Key Areas Covered and Key Values/Specs:

️· Voltage Requirements:
- VDDL (Core): 1.7 - 1.9 Volts
- VDDH (I/O): 3.135 - 3.465 Volts
- VDDSYN: 1.7 - 1.9 Volts
- Difference between VDDL and VDDSYN: Maximum 100 mV.
️· Input/Output Characteristics:
- Input High Voltage (VIH): 2.0 - 3.465 Volts (for specific pins)
- Input Low Voltage (VIL): 0 - 0.8 Volts
- Leakage Currents: Defined for various pins (important for power management). Ranges from 10µA to 100µA, depending on pin type and voltage.
- Output Voltages (VOH, VOL): Defined with different load currents. Crucial for driving external components (memory, peripherals, etc.)
️· Capacitance: Input capacitance is a critical parameter for timing and signal integrity. Specified as a maximum of 20pF.
️· Power Dissipation: Values in Table 5 represent VDDL-based power dissipation and do not include I/O power dissipation. Ranges from 140mW to 320mW, depending on the clock frequency and operating mode.

Important Notes & Cautions:

️· Voltage Tolerances: Specific pins are noted as 5V tolerant.
️· I/O Power Dissipation: This is *not* included in the power dissipation values provided in Table 5. It depends heavily on the application and the external circuitry.
️· Table 6 Specifics: The various values for output high and low voltages (VOH, VOL) are highly dependent on the load current (IOH, IOL). Pay very close attention to the listed values and the corresponding load conditions.



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