Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Data Sheet
Product codes
ATSAM4E-XPRO
571
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
29.3
Block Diagram
Figure 29-1.
Clock Generator Block Diagram
Power
Management
Controller
Main Clock
MAINCK
MAINCK
PLLA Clock
PLLACK
PLLACK
Control
Status
3-20 MHz
Crystal
Oscillator
Clock Generator
PLLA and
Divider
Embedded
12/8/4 MHz
Fast
RC Oscillator
XIN
XOUT
XIN32
XOUT32
Slow Clock
SLCK
SLCK
XTALSEL
(Supply Controller)
Embedded
32 kHz RC
32 kHz RC
Oscillator
32768 Hz
Crystal
Oscillator
0
1
0
1
MOSCSEL
CKGR_MOR