MPC8309EC datasheet(47/82 Pages) FREESCALE

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MPC8309 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 0

Freescale Semiconductor

IPIC

19 IPIC

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

MPC8309.

19.1

IPIC DC Electrical Characteristics

Table 49 provides the DC electrical characteristics for the external interrupt pins of the MPC8309.

19.2

IPIC AC Timing Specifications

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

20 SPI

This section describes the DC and AC electrical specifications for the SPI of the MPC8309.

20.1

SPI DC Electrical Characteristics

Table 51 provides the DC electrical characteristics for the MPC8309 SPI.

Table 49. IPIC DC Electrical Characteristics1,2

Characteristic

Symbol

Condition

Min

Max

Unit

Input high voltage

VIH

—2.0

OVDD +0.3

Input low voltage

VIL

—–0.3

0.8

Input current

IIN

——

±5

A

Output High Voltage

VOH

IOL = -8.0 mA

2.4

—

Output low voltage

VOL

IOL = 6.0 mA

—

0.5

Output low voltage

VOL

IOL = 3.2 mA

—

0.4

Notes:

1. This table applies for pins IRQ, MCP_OUT, and QE ports Interrupts.

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

Table 50. IPIC Input AC Timing Specifications1

Characteristic

Symbol2

Min

Unit

IPIC 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_CLK_IN.

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.

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