MPC8610EC datasheet(51/96 Pages) FREESCALE

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Electrical Characteristics

MPC8610 Integrated Host Processor Hardware Specifications, Rev. 0

Freescale Semiconductor

2.15.2

SPI AC Timing Specifications

Table 44 provides the SPI input and output AC timing specifications.

Figure 23 provides the AC test load for the SPI.

Figure 23. SPI AC Test Load

Figure 24 through Figure 25 represent the AC timings from Table 44. Note that although the specifications generally reference

the rising edge of the clock, these AC timing diagrams also apply when the falling edge is the active edge.

Low-level output voltage (OVDD = min, IOL = 100 μA)

VOL

—0.2

Note:

1. The symbol VIN, in this case, represents the OVIN symbol referenced in Table 2 and Table 3.

Table 44. SPI AC Timing Specifications1

Characteristic

Symbol2

Min

Max

Unit

SPI outputs valid—master mode (internal clock) delay

tNIKHOV

1ns

SPI outputs hold—master mode (internal clock) delay

tNIKHOX

-0.2

SPI outputs valid—slave mode (external clock) delay

tNEKHOV

8ns

SPI outputs hold—slave mode (external clock) delay

tNEKHOX

2ns

SPI inputs—master mode (internal clock input setup time

tNIIVKH

4ns

SPI inputs—master mode (internal clock input hold time

tNIIXKH

0ns

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

tNEIVKH

4ns

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

tNEIXKH

2ns

Notes:

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

Timings are measured at the pin.

2. The symbols 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, tNIKHOX symbolizes the internal timing

(NI) for the time SPICLK clock reference (K) goes to the high state (H) until outputs (O) are invalid (X).

Table 43. SPI DC Electrical Characteristics (continued)

Parameter

Symbol

Min

Max

Unit

Output

Z0 = 50 Ω

OVDD/2

RL = 50 Ω

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