70291E Datasheet, PDF (230/436 Pages) Microchip Technology – High-Performance, 16-bit Digital Signal Controllers

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:
The CKE bit is not used in the 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.
DS70291E-page 230
© 2011 Microchip Technology Inc.