MPC8315ECVRAGDA datasheet(74/112 Pages) FREESCALE

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MPC8315E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 0

Freescale Semiconductor

GPIO

18.2

Timers AC Timing Specifications

Table 61 provides the timers input and output AC timing specifications.

Figure 54 provides the AC test load for the Timers.

Figure 54. Timers AC Test Load

19 GPIO

This section describes the DC and AC electrical specifications for the GPIO of the MPC8315E.

19.1

GPIO DC Electrical Characteristics

Table 62 provides the DC electrical characteristics for the GPIO.

Table 61. Timers Input AC Timing Specifications

Characteristic

Symbol 1

Min

Unit

Timers inputs—minimum pulse width

tTIWID

Notes:

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

external synchronous logic. Timers input are required to be valid for at least tTIWID ns to ensure proper operation.

Table 62. 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

—

2.1

NVDD + 0.3

Input low voltage

VIL

—

–0.3

0.8

Input current

IIN

0 V

≤ VIN ≤ NVDD

—

± 5

μA

Output

Z0 = 50 Ω

NVDD/2

RL = 50 Ω

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