MPC8321EVRADDC datasheet(40/82 Pages) FREESCALE

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MPC8323E PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 4

Freescale Semiconductor

SPI

16 SPI

This section describes the DC and AC electrical specifications for the SPI of the MPC8323E.

16.1

SPI DC Electrical Characteristics

Table 44 provides the DC electrical characteristics for the MPC8323E SPI.

16.2

SPI AC Timing Specifications

Table 45 and provide the SPI input and output AC timing specifications.

Figure 30 provides the AC test load for the SPI.

Figure 30. SPI AC Test Load

Table 44. SPI DC Electrical Characteristics

Characteristic

Symbol

Condition

Min

Max

Unit

Output high voltage

VOH

IOH = –6.0 mA

2.4

—

Output low voltage

VOL

IOL = 6.0 mA

—

0.5

Output low voltage

VOL

IOL = 3.2 mA

—

0.4

Input high voltage

VIH

—2.0

OVDD +0.3

Input low voltage

VIL

—

–0.3

0.8

Input current

IIN

0 V

≤ VIN ≤ OVDD

—

±5

μA

Table 45. SPI AC Timing Specifications1

Characteristic

Symbol2

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

6—

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

tNIIXKH

0—

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

tNEIVKH

4—

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

tNEIXKH

2—

Notes:

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

are measured at the pin.

2. The symbols used for timing specifications follow the pattern of t(first two letters of functional block)(signal)(state)(reference)(state) for

inputs and t(first two letters of functional block)(reference)(state)(signal)(state) for outputs. For example, tNIKHOV symbolizes the NMSI

outputs internal timing (NI) for the time tSPI memory clock reference (K) goes from the high state (H) until outputs (O) are

valid (V).

Output

Z0 = 50 Ω

OVDD/2

RL = 50 Ω

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