Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Datenbogen
Produktcode
AT91SAM9N12-EK
168
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
21.3
Block Diagram
Figure 21-1. Clock Generator Block Diagram
Power
Management
Controller
XIN
XOUT
Main Clock
MAINCK
MAINCK
Control
Status
PLLA and
Divider
PLLA Clock
PLLACK
PLLACK
16M Main
Oscillator
On Chip
32K RC OSC
Slow Clock
SLCK
SLCK
XIN32
XOUT32
Slow Clock
Oscillator
Clock Generator
RCEN
OSCSEL
OSC32EN
OSC32BYP
OSC32BYP
On Chip
12M RC OSC
MOSCRCEN
MOSCSEL
MOSCSEL
PLLB and
Divider
PLLBCK
USB Clocks
USB Clocks