Datasheet

© 2009 Microchip Technology Inc. DS70175H-page 203
PIC24HJXXXGPX06/X08/X10
FIGURE 20-2: ANALOG-TO-DIGITAL CONVERSION CLOCK PERIOD BLOCK DIAGRAM
0
1
ADC Internal
RC Clock
(2)
T
OSC
(1)
X2
ADC Conversion
Clock Multiplier
1, 2, 3, 4, 5,..., 64
ADxCON3<15>
TCY
TAD
6
ADxCON3<5:0>
Note 1: Refer to Figure 9-2 for the derivation of FOSC when the PLL is enabled. If the PLL is not used, FOSC is equal to the clock source
frequency. T
OSC = 1/FOSC.
2: See the ADC electrical specifications for exact RC clock value.