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

REGISTER 18-2: SPIXCON1: SPIx CONTROL REGISTER 1 (CONTINUED)

bit 4-2

bit 1-0

SPRE<2:0>: Secondary Prescale bits (Master mode)(2)

111 = Secondary prescale 1:1

110 = Secondary prescale 2:1

•

•

•

000 = Secondary prescale 8:1

PPRE<1:0>: Primary Prescale bits (Master mode)(2)

11 = Primary prescale 1:1

10 = Primary prescale 4:1

01 = Primary prescale 16:1

00 = Primary prescale 64:1

Note 1:

2:

3:

This bit is not used in Framed SPI modes. Program this bit to ‘0’ for the Framed SPI modes (FRMEN = 1).

Do not set both Primary and Secondary prescalers to a value of 1:1.

This bit must be cleared when FRMEN = 1.

© 2007-2012 Microchip Technology Inc.

DS70291G-page 237

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