MPC8379E datasheet(65/114 Pages) FREESCALE

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MPC8379E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 2

Freescale Semiconductor

IPIC

Figure 44 provides the AC test load for the GPIO.

Figure 44. GPIO AC Test Load

18 IPIC

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

MPC8379E.

18.1

IPIC DC Electrical Characteristics

Table 63 provides the DC electrical characteristics for the external interrupt pins of the MPC8379E.

18.2

IPIC AC Timing Specifications

Table 64 provides the IPIC input and output AC timing specifications.

19 SPI

This section describes the DC and AC electrical specifications for the SPI of the MPC8379E.

Table 63. IPIC DC Electrical Characteristics

Parameter

Condition

Symbol

Min

Max

Unit

Input high voltage

—

VIH

2.0

OVDD + 0.3

Input low voltage

—

VIL

–0.3

0.8

Input current

—

IIN

—±30

μA

Output low voltage

IOL = 6.0 mA

VOL

—0.5

Output low voltage

IOL = 3.2 mA

VOL

—0.4

Note:

1. This table applies for pins IRQ[0:7], IRQ_OUT, MCP_OUT.

2. IRQ_OUT and MCP_OUT are open drain pins, thus VOH is not relevant for those pins.

Table 64. IPIC Input AC Timing Specifications

Parameter

Symbol

Min

Unit

IPIC inputs—minimum pulse width

tPIWID

Note:

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

measured at the pin.

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

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

in edge triggered mode.

Output

Z0 = 50 Ω

OVDD/2

RL = 50 Ω

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