Microchip Technology MA330019-2 数据表
© 2007-2012 Microchip Technology Inc.
DS70292G-page 211
dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
bit 4-2
SPRE<2:0>: Secondary Prescale bits (Master mode)
(2)
111 = Secondary prescale 1:1
110 = Secondary prescale 2:1
•
•
•
000 = Secondary prescale 8:1
110 = Secondary prescale 2:1
•
•
•
000 = Secondary prescale 8:1
bit 1-0
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
10 = Primary prescale 4:1
01 = Primary prescale 16:1
00 = Primary prescale 64:1
REGISTER 16-2:
SPI
X
CON1: SPIx CONTROL REGISTER 1 (CONTINUED)
Note 1: The CKE bit is not used in the Framed SPI modes. Program this bit to ‘0’ for the Framed SPI modes
(FRMEN = 1).
2: Do not set both Primary and Secondary prescalers to the value of 1:1.
3: This bit must be cleared when FRMEN = 1.
3: This bit must be cleared when FRMEN = 1.