MPC8313VRGDDB datasheet(60/100 Pages) FREESCALE

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MPC8313E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 2.1

Freescale Semiconductor

IPIC

16.2

GPIO AC Timing Specifications

Table 58 provides the GPIO input and output AC timing specifications.

Figure 52 provides the AC test load for the GPIO.

Figure 52. GPIO AC Test Load

17 IPIC

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

17.1

IPIC DC Electrical Characteristics

Table 59 provides the DC electrical characteristics for the external interrupt pins.

Input low current

IIL

VIN = VSS

–15

—

μA

1 This specification only applies to GPIO pins that are operating from a 2.5-V supply. See Table 63 for the power supply listed

for the individual GPIO signal.

Table 58. GPIO Input AC Timing Specifications1

Characteristic

Symbol2

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 59. 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

Table 57. GPIO (When Operating at 2.5 V) DC Electrical Characteristics1 (continued)

Parameters

Symbol

Conditions

Min

Max

Unit

Output

Z0 = 50 Ω

NVDD/2

RL = 50 Ω

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