Datasheet

 2010 Microchip Technology Inc. DS39969B-page 221
PIC24FJ256DA210 FAMILY
EQUATION 15-1: RELATIONSHIP BETWEEN DEVICE AND SPI CLOCK SPEED
(1)
Note 1: Based on FCY = FOSC/2; Doze mode and PLL are disabled.
FSCK =
F
CY
Primary Prescaler x Secondary Prescaler
TABLE 15-1: SAMPLE SCKx FREQUENCIES
(1,2)
FCY = 16 MHz
Secondary Prescaler Settings
1:1 2:1 4:1 6:1 8:1
Primary Prescaler Settings
1:1 Invalid 8000 4000 2667 2000
4:1 4000 2000 1000 667 500
16:1 1000 500 250 167 125
64:1 250 125 63 42 31
F
CY = 5 MHz
Primary Prescaler Settings
1:1 5000 2500 1250 833 625
4:1 1250 625 313 208 156
16:1 313 156 78 52 39
64:17839201310
Note 1: Based on F
CY = FOSC/2; Doze mode and PLL are disabled.
2: SCKx frequencies shown in kHz.