MPC8533ECHXARJB datasheet(57/116 Pages) FREESCALE

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MPC8533E PowerQUICC™ III Integrated Processor Hardware Specifications, Rev. 3

Freescale Semiconductor

GPIO

14 GPIO

This section describes the DC and AC electrical specifications for the GPIO interface of the MPC8533E.

14.1

GPIO DC Electrical Characteristics

Table 48 provides the DC electrical characteristics for the GPIO interface.

14.2

GPIO AC Electrical Specifications

Table 49 provides the GPIO input and output AC timing specifications.

Figure 36 provides the AC test load for the GPIO.

Figure 36. GPIO AC Test Load

Table 48. GPIO DC Electrical Characteristics

Parameter

Symbol

Min

Max

Unit

Notes

High-level input voltage

VIH

2OVDD + 0.3

—

Low-level input voltage

VIL

– 0.3

0.8

—

Input current (VIN = 0 V or VIN = VDD)

IIN

—±5

μA1

High-level output voltage (OVDD = mn, IOH = –2 mA)

VOH

2.4

—

Low-level output voltage (OVDD = min, IOL = 2 mA)

VOL

—0.4

—

Note:

1. Note that the symbol VIN, in this case, represents the OVIN symbol referenced in Table 1 and Table 2.

Table 49. GPIO Input AC Timing Specifications

Parameter

Symbol

Typ

Unit

Notes

GPIO inputs—minimum pulse width

tPIWID

Note:

1. GPIO inputs and outputs are asynchronous to any visible clock. GPIO outputs should be synchronized before use by any

external synchronous logic. GPIO inputs are required to be valid for at least tPIWID ns to ensure proper operation.

Output

Z0 = 50 Ω

OVDD/2

RL = 50 Ω

MPC8533ECHXARJB Datasheet(PDF) 57 Page - Freescale Semiconductor, Inc

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