MPC8313E datasheet(52/88 Pages) FREESCALE

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MPC8313E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 0

Freescale Semiconductor

GPIO

15 GPIO

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

15.1

GPIO DC Electrical Characteristics

Table 49 provides the DC electrical characteristics for the GPIO.

15.2

GPIO AC Timing Specifications

Table 50 provides the GPIO input and output AC timing specifications.

Figure 34 provides the AC test load for the GPIO.

Figure 34. GPIO AC Test Load

Table 49. GPIO DC Electrical Characteristics

Characteristic

Symbol

Condition

Min

Max

Unit

Output high voltage

VOH

IOH =–8.0 mA

2.4

—

Output low voltage

VOL

IOL = 8.0 mA

—

0.5

Output low voltage

VOL

IOL = 3.2 mA

—

0.4

Input high voltage

VIH

—2.0

NVDD +0.3

Input low voltage

VIL

—

–0.3

0.8

Input current

IIN

≤ VIN ≤ NVDD

—

± 5

μA

Table 50. GPIO Input AC Timing Specifications 1

Characteristic

Symbol 2

Min

Unit

GPIO inputs—minimum pulse width

tPIWID

Notes:

1. Input specifications are measured from the 50% level of the signal to the 50% level of the rising edge of SYS_CLKIN. Timings

are measured at the pin.

2. 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

NVDD/2

RL = 50 Ω

MPC8313E Datasheet(PDF) 52 Page - Freescale Semiconductor, Inc

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