LQFP64 datasheet(90/116 Pages) STMICROELECTRONICS

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Table 47. DSPI characteristics(1)

No.

Symbol

Parameter

DSPI0/DSPI1

DSPI2

Unit

Min

Typ

Max

Min

Typ

Max

1tSCK

SCK cycle time

Master mode



(MTFE = 0)

125

—

333

—

Slave mode



(MTFE = 0)

125

—

333

—

Master mode



(MTFE = 1)

—

125

—

Slave mode



(MTFE = 1)

—

125

—

—fDSPI

D DSPI digital controller frequency

—

fCPU

——

fCPU

MHz

—

t

CSC

CC D

Internal delay between pad

associated to SCK and pad

associated to CSn in master

mode for CSn1

0

Master mode

—

130(2)

——

15(3)

—

t

ASC

CC D

Internal delay between pad

associated to SCK and pad

associated to CSn in master

mode for CSn1

1

Master mode

—

130(3)

——

130(3)

2tCSCext

(4)

D CS to SCK delay

Slave mode

—

3tASCext

(5)

D After SCK delay

Slave mode

1/fDSPI + 5

—

1/fDSPI + 5

—

4tSDC

CC D

SCK duty cycle

Master mode

—

tSCK/2

——

tSCK/2

—

Slave mode

tSCK/2

——

tSCK/2

——

5tA

D Slave access time

Slave mode

—

1/fDSPI + 70

—

1/fDSPI + 130

6tDI

D Slave SOUT disable time

Slave mode

—

7tPCSC

D PCSx to PCSS time

—

8tPASC

D PCSS to PCSx time

—

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