Atmel Evaluation Kit AT91SAM9260-EK AT91SAM9260-EK Data Sheet
Product codes
AT91SAM9260-EK
24
SAM9260 [SUMMARY]
6221LS–ATARM–15-Oct-12
9.1
System Controller Block Diagram
Figure 9-1. SAM9260 System Controller Block Diagram
NRST
SLCK
Advanced
Interrupt
Controller
Real-time
Timer
Periodic
Interval
Timer
Reset
Controller
PA0-PA31
periph_nreset
System Controller
Watchdog
Timer
wdt_fault
WDRPROC
WDRPROC
PIO
Controllers
Power
Management
Controller
XIN
XOUT
PLLRCA
MAINCK
PLLACK
pit_irq
MCK
proc_nreset
wdt_irq
periph_irq[2..4]
periph_nreset
periph_clk[2..27]
PCK
MCK
pmc_irq
nirq
nfiq
nfiq
rtt_irq
Embedded
Peripherals
periph_clk[2..4]
pck[0-1]
in
out
enable
out
enable
ARM926EJ-S
SLCK
SLCK
irq0-irq2
fiq
irq0-irq2
fiq
periph_irq[6..24]
periph_irq[2..24]
int
int
periph_nreset
periph_clk[6..24]
jtag_nreset
por_ntrst
proc_nreset
periph_nreset
dbgu_txd
dbgu_rxd
pit_irq
dbgu_irq
pmc_irq
rstc_irq
wdt_irq
rstc_irq
SLCK
Boundary Scan
TAP Controller
jtag_nreset
debug
PCK
debug
idle
debug
Bus Matrix
MCK
periph_nreset
proc_nreset
backup_nreset
periph_nreset
idle
Debug
Unit
dbgu_irq
MCK
dbgu_rxd
periph_nreset
dbgu_txd
rtt_alarm
Shutdown
Controller
SLCK
rtt0_alarm
backup_nreset
SHDN
WKUP
4 General-purpose
Backup Registers
backup_nreset
XIN32
XOUT32
PLLBCK
PB0-PB31
PC0-PC31
VDDBU Powered
VDDCORE Powered
ntrst
VDDCORE
POR
MAIN
OSC
PLLA
VDDBU
POR
SLOW
CLOCK
OSC
PLLB
por_ntrst
VDDBU
rtt_irq
UDPCK
USB
Device
Port
UDPCK
periph_nreset
periph_clk[10]
periph_irq[10]
USB Host
Port
periph_nreset
periph_clk[20]
periph_irq[20]
UHPCK
UHPCK
RC
OSC
OSC_SEL