DSPIC33FJ32MC304-I/SP 查看數據表（PDF） - Microchip Technology

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DSPIC33FJ32MC304-I/SP

16-bit Digital Signal Controllers (up to 128 KB Flash and 16K SRAM) with Motor Control PWM and Advanced Analog

Microchip Technology 

dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04

FIGURE 31-17:

SPIx MASTER MODE (FULL-DUPLEX, CKE = 0, CKP = X, SMP = 1) TIMING

CHARACTERISTICS

SCKx

(CKP = 0)

SCKx

(CKP = 1)

SP10

SP35

SP21

SP20

SP20

SP21

SDOx

SDIx

MSb

SP30, SP31

MSb In

SP40 SP41

Bit 14 - - - - - -1

LSb

Bit 14 - - - -1

SP30, SP31

LSb In

Note: Refer to Figure 31-1 for load conditions.

TABLE 31-35: SPIx MASTER MODE (FULL-DUPLEX, CKE = 0, CKP = x, SMP = 1) TIMING

REQUIREMENTS

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

No.

Symbol

Characteristic(1)

Min Typ(2) Max Units

Conditions

SP10 TscP

Maximum SCK Frequency

—

—

9

MHz -40ºC to +125ºC and

see Note 3

SP20 TscF

SCKx Output Fall Time

—

—

—

ns See parameter DO32

and Note 4

SP21 TscR

SCKx Output Rise Time

—

—

—

ns See parameter DO31

and Note 4

SP30 TdoF

SDOx Data Output Fall Time

—

—

—

ns See parameter DO32

and Note 4

SP31 TdoR

SDOx Data Output Rise Time —

SP35 TscH2doV, SDOx Data Output Valid after —

TscL2doV SCKx Edge

—

—

ns See parameter DO31

and Note 4

6

20

ns

—

SP36 TdoV2scH, SDOx Data Output Setup to

30

—

—

ns

—

TdoV2scL First SCKx Edge

SP40 TdiV2scH, Setup Time of SDIx Data

30

—

—

ns

—

TdiV2scL Input to SCKx Edge

SP41 TscH2diL, Hold Time of SDIx Data Input 30

—

—

ns

—

TscL2diL to SCKx Edge

Note 1:

2:

3:

4:

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

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

The minimum clock period for SCKx is 111 ns. The clock generated in Master mode must not violate this

specification.

Assumes 50 pF load on all SPIx pins.

DS70291G-page 386

© 2007-2012 Microchip Technology Inc.

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