Datasheet

PIC24F04KA201 FAMILY
DS39937B-page 124 Preliminary © 2009 Microchip Technology Inc.
EQUATION 15-1: RELATIONSHIP BETWEEN DEVICE AND SPI CLOCK SPEED
(1)
TABLE 15-1: SAMPLE SCK FREQUENCIES
(1,2)
FCY = 16 MHz
Secondary Prescaler Settings
1:12:14:16:18:1
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: SCK1 frequencies indicated in kHz.
Primary Prescaler * Secondary Prescaler
F
CY
FSCK =
Note 1: Based on FCY = FOSC/2, Doze mode and PLL are disabled.