dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
FIGURE 21-3:
ADC CONVERSION CLOCK PERIOD BLOCK DIAGRAM
AD1CON3<15>
ADC Internal
RC Clock(2)
TOSC(1)
X2
TCY
AD1CON3<5:0>
6
ADC Conversion
Clock Multiplier
1, 2, 3, 4, 5,..., 64
0
TAD
1
Note 1: Refer to Figure 8-2 for the derivation of Fosc when the PLL is enabled. If the PLL is not used, Fosc
is equal to the clock source frequency. Tosc = 1/Fosc.
2: See the ADC electrical characteristics for the exact RC clock value.
DS70292D-page 256
Preliminary
2009 Microchip Technology Inc.