DSPIC33EP128GS708 datasheet(416/484 Pages) MICROCHIP

416 / 484 page

dsPIC33EPXXXGS70X/80X FAMILY

DS70005258C-page 416

 2016-2018 Microchip Technology Inc.

FIGURE 30-21:

SPI3 MASTER MODE (FULL-DUPLEX, CKE = 1, CKP = x, SMP = 1)

TIMING CHARACTERISTICS(1,2)

TABLE 30-41: SPI3 MASTER MODE (FULL-DUPLEX, CKE = 1, CKP = x, SMP = 1)

TIMING REQUIREMENTS(5)

AC CHARACTERISTICS

Standard Operating Conditions: 3.0V to 3.6V

(unless otherwise stated)

Operating temperature

-40°C

 TA  +85°C for Industrial

-40°C

 TA  +125°C for Extended

Param.

Symbol

Characteristic(1)

Min.

Typ.(2) Max. Units

Conditions

SP10

FscP

Maximum SCK3 Frequency

—

MHz (Note 3)

SP20

TscF

SCK3 Output Fall Time

—

See Parameter DO32 (Note 4)

SP21

TscR

SCK3 Output Rise Time

—

See Parameter DO31 (Note 4)

SP30

TdoF

SDO3 Data Output Fall Time

—

See Parameter DO32 (Note 4)

SP31

TdoR

SDO3 Data Output Rise Time

—

See Parameter DO31 (Note 4)

SP35

TscH2doV,

TscL2doV

SDO3 Data Output Valid after

SCK3 Edge

—6

SP36

TdoV2sc,

TdoV2scL

SDO3 Data Output Setup to

First SCK3 Edge

—

SP40

TdiV2scH,

TdiV2scL

Setup Time of SDI3 Data

Input to SCK3 Edge

—

SP41

TscH2diL,

TscL2diL

Hold Time of SDI3 Data Input

to SCK3 Edge

—

Note 1:

These parameters are characterized, but are not tested in manufacturing.

Data in “Typical” column is at 3.3V, +25°C unless otherwise stated.

The minimum clock period for SCK3 is 100 ns. The clock generated in Master mode must not violate this

specification.

Assumes 50 pF load on all SPI3 pins.

For dsPIC33EPXXXGSX06 and dsPIC33EPXXXGSX08 devices with a fixed SCK3 pin.

SCK3

(CKP = 0)

SCK3

(CKP = 1)

SDO3

SP21

SP20

SP35

SP20

SP21

MSb

LSb

Bit 14 - - - - - -1

SP30, SP31

SP36

SP41

LSb In

Bit 14 - - - -1

SDI3

SP40

MSb In

SP10

Note 1: For dsPIC33EPXXXGSX06 and dsPIC33EPXXXGSX08 devices with a fixed SCK3 pin.

2: Refer to Figure 30-1 for load conditions.

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