64GA106 datasheet(291/330 Pages) MICROCHIP

291 / 330 page

 2010 Microchip Technology Inc.

DS39905E-page 291

PIC24FJ256GA110 FAMILY

FIGURE 28-11:

SPIx MODULE MASTER MODE TIMING CHARACTERISTICS (CKE = 0)

TABLE 28-24: SPIx MASTER MODE TIMING REQUIREMENTS (CKE = 0)

AC CHARACTERISTICS

Standard Operating Conditions: 2.0V to 3.6V

(unless otherwise stated)

Operating temperature

-40°C

 TA  +85°C for Industrial

Param

No.

Symbol

Characteristic

Min

Typ(1)

Max

Units

Conditions

SP10

TscL

SCKx Output Low Time(2)

TCY/2

—

SP11

TscH

SCKx Output High Time(2)

TCY/2

—

SP20

TscF

SCKx Output Fall Time(3)

—10

SP21

TscR

SCKx Output Rise Time(3)

—10

SP30

TdoF

SDOx Data Output Fall Time(3)

—10

SP31

TdoR

SDOx Data Output Rise Time(3)

—10

SP35

TscH2doV,

TscL2doV

SDOx Data Output Valid after

SCKx Edge

—

SP40

TdiV2scH,

TdiV2scL

Setup Time of SDIx Data Input

to SCKx Edge

—

SP41

TscH2diL,

TscL2diL

Hold Time of SDIx Data Input

to SCKx Edge

—

Note 1:

Data in “Typ” column is at 3.3V, 25°C unless otherwise stated. Parameters are for design guidance only and

are not tested.

The minimum clock period for SCKx is 100 ns; therefore, the clock generated in Master mode must not

violate this specification.

Assumes 50 pF load on all SPIx pins.

SCKx

(CKP = 0)

SCKx

(CKP = 1)

SDOx

SDIx

SP11

SP10

SP40 SP41

SP21

SP20

SP35

SP20

SP21

MSb

LSb

Bit 14 - - - - - -1

LSb In

Bit 14 - - - -1

SP30

SP31

MSb In

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