MPC8313E datasheet(51/92 Pages) FREESCALE

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MPC8313E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 1

Freescale Semiconductor

IPIC

15.2

GPIO AC Timing Specifications

Table 55 provides the GPIO input and output AC timing specifications.

Figure 37 provides the AC test load for the GPIO.

Figure 37. GPIO AC Test Load

16 IPIC

This section describes the DC and AC electrical specifications for the external interrupt pins.

16.1

IPIC DC Electrical Characteristics

Table 56 provides the DC electrical characteristics for the external interrupt pins.

Table 55. 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.

Table 56. IPIC DC Electrical Characteristics

Characteristic

Symbol

Condition

Min

Max

Unit

Input high voltage

VIH

—2.1

NVDD +0.3

Input low voltage

VIL

—

–0.3

0.8

Input current

IIN

——

±5

μA

Output low voltage

VOL

IOL = 8.0 mA

—

0.5

Output low voltage

VOL

IOL = 3.2 mA

—

0.4

Output

Z0 = 50 Ω

NVDD/2

RL = 50 Ω

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