SPC58EEX datasheet(114/154 Pages) STMICROELECTRONICS

114 / 154 page

Electrical characteristics

SPC58EEx, SPC58NEx

114/154

DS11646 Rev 4

Figure 36. DSPI slave mode — modified transfer format timing (MFTE = 0/1) CPHA = 0

9tSUI

Data Setup Time for

Inputs(1)

——

—

tHI

D Data Hold Time for Inputs(1)

——

—

tSUO

SOUT Valid Time(1) (2) (3)

(after SCK edge)

Very

strong

25 pF

—

Strong

50 pF

—

Medium

50 pF

—

tHO

SOUT Hold Time(1) (2) (3)

(after SCK edge)

Very

strong

25 pF

2.5

—

Strong

50 pF

2.5

—

Medium

50 pF

2.5

—

1. Input timing assumes an input slew rate of 1 ns (10% - 90%) and uses TTL / Automotive voltage thresholds.

2. All timing values for output signals in this table, are measured to 50% of the output voltage.

3. All output timing is worst case and includes the mismatching of rise and fall times of the output pads.

Table 60. DSPI CMOS slave timing — full duplex — normal and modified transfer formats

(MTFE = 0/1) (continued)

Symbol

Characteristic

Condition

Min

Max

Unit

Pad Drive

Load

Last Data

First Data

Data

SIN

SOUT

SCK Input

First Data

Last Data

SCK Input

(CPOL = 0)

(CPOL = 1)

tSCK

tDIS

tSDC

tCSC

tASC

tSUI

tHI

tSUO

tHO

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