PIC24FJ256GB106-I Datasheet, PDF (180/328 Pages) Microchip Technology – 64/80/100-Pin, 16-Bit Flash Microcontrollers with USB On-The-Go (OTG)

PIC24FJ256GB110 FAMILY
EQUATION 14-1: RELATIONSHIP BETWEEN DEVICE AND SPI CLOCK SPEED⁽¹⁾
FCY
FSCK =
Primary Prescaler * Secondary Prescaler
Note 1: Based on FCY = FOSC/2, Doze mode and PLL are disabled.
TABLE 14-1: SAMPLE SCK FREQUENCIES^(1,2)
FCY = 16 MHz
Secondary Prescaler Settings
1:1
2:1
4:1
6:1
Primary Prescaler Settings
1:1 Invalid
4:1 4000
16:1 1000
64:1
250
8000
2000
500
125
4000
1000
250
63
2667
667
167
42
FCY = 5 MHz
Primary Prescaler Settings
1:1 5000
2500
1250
833
4:1 1250
625
313
208
16:1
313
156
78
52
64:1
78
39
20
13
Note 1: Based on FCY = FOSC/2, Doze mode and PLL are disabled.
2: SCKx frequencies shown in kHz.
8:1
2000
500
125
31
625
156
39
10
DS39897B-page 178
Preliminary
© 2008 Microchip Technology Inc.