AT91SAM9260 ATMEL Corporation, AT91SAM9260 Datasheet - Page 27

• Manufacturer Part Number: AT91SAM9260
• Description: AT91 ARM Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

www.DataSheet4U.com
9.1
Figure 9-1.
6221DS–ATARM–22-Sep-06
Block Diagram
PC0-PC31
PB0-PB31
OSC_SEL
PA0-PA31
AT91SAM9260 System Controller Block Diagram
XOUT32
PLLRCA
VDDBU
WKUP
SHDN
XIN32
XOUT
NRST
XIN
VDDCORE
dbgu_irq
VDDBU
CLOCK
SLOW
periph_irq[2..24]
pmc_irq
MAIN
PLLA
rstc_irq
POR
POR
OSC
OSC
OSC
wdt_irq
RC
PLLB
periph_clk[2..4]
backup_nreset
pit_irq
rtt_irq
periph_nreset
periph_nreset
periph_nreset
periph_nreset
proc_nreset
dbgu_rxd
dbgu_rxd
irq0-irq2
debug
debug
SLCK
SLCK
SLCK
SLCK
MCK
MCK
backup_nreset
idle
fiq
int
SLCK
rtt0_alarm
MAINCK
PLLACK
PLLBCK
por_ntrst
jtag_nreset
System Controller
Management
Advanced
Watchdog
Controllers
Real-time
Shutdown
Controller
Controller
Controller
Controller
Interrupt
Periodic
Interval
Debug
Power
Reset
Timer
Timer
Timer
PIO
Unit
wdt_fault
WDRPROC
4 General-purpose
Backup Registers
UHPCK
int
dbgu_irq
dbgu_txd
pit_irq
wdt_irq
rstc_irq
periph_nreset
proc_nreset
backup_nreset
rtt_irq
rtt_alarm
periph_clk[2..27]
pck[0-1]
PCK
MCK
pmc_irq
idle
periph_irq[2..4]
irq0-irq2
fiq
dbgu_txd
UDPCK
VDDBU Powered
VDDCORE Powered
AT91SAM9260 Preliminary
por_ntrst
periph_clk[6..24]
periph_irq[6..24]
periph_nreset
periph_clk[20]
periph_nreset
periph_irq[20]
periph_clk[10]
periph_nreset
periph_irq[10]
periph_nreset
proc_nreset
in
out
enable
jtag_nreset
UHPCK
UDPCK
debug
MCK
PCK
nirq
nfiq
ntrst
Boundary Scan
TAP Controller
ARM926EJ-S
Embedded
Peripherals
Bus Matrix
USB Host
Device
USB
Port
Port
27