MPC8378E datasheet(76/126 Pages) FREESCALE

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MPC8378E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 2

Freescale Semiconductor

SPI

18.2

IPIC AC Timing Specifications

Table 63 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 MPC8378E.

19.1

SPI DC Electrical Characteristics

Table 64 provides the DC electrical characteristics for the device SPI.

19.2

SPI AC Timing Specifications

Table 65 provides the SPI input and output AC timing specifications.

Table 63. 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.

Table 64. SPI 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 high voltage

IOH = –8.0 mA

VOH

2.4

—

Output low voltage

IOL = 8.0 mA

VOL

—0.5

Output low voltage

IOL = 3.2 mA

VOL

—0.4

Table 65. SPI AC Timing Specifications

Parameter

Symbol1

Min

Max

Unit

SPI outputs—Master mode (internal clock) delay

tNIKHOV

0.5

SPI outputs—Slave mode (external clock) delay

tNEKHOV

SPI inputs—Master mode (internal clock) input setup time

tNIIVKH

4—

SPI inputs—Master mode (internal clock)input hold time

tNIIXKH

0—

SPI inputs—Slave mode (external clock) input setup time

tNEIVKH

4—

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