Datasheet

334
11011B–ATARM–21-Feb-12
SAM3N
23.3 Block Diagram
Figure 23-1. Clock Generator Block Diagram
Power
Management
Controller
Main Clock
MAINCK
PLL Clock
PLLCK
ControlStatus
MOSCSEL
Clock Generator
PLL and
Divider
XIN
XOUT
XIN32
XOUT32
Slow Clock
SLCK
XTALSEL
(Supply Controller)
0
1
0
1
3-20 MHz
Crystal
or
Ceramic
Resonator
Oscillator
Embedded
4/8/12 MHz
Fast
RC Oscillator
32768 Hz
Crystal
Oscillator
Embedded
32 kHz
RC Oscillator