at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 27

• Manufacturer Part Number: at91sam9263
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

9.1
Figure 9-1.
6249D–ATARM–20-Dec-07
System Controller Block Diagram
VDDCORE
PC0-PC31
PD0-PD31
PA0-PA31
PB0-PB31
PE0-PE31
XOUT32
PLLRCA
PLLRCB
VDDBU
AT91SAM9263 System Controller Block Diagram
WKUP
SHDN
XIN32
XOUT
NRST
XIN
VDDCORE
VDDBU
CLOCK
dbgu_irq
SLOW
pmc_irq
periph_irq[2..29]
MAIN
PLLA
PLLB
POR
POR
OSC
OSC
wdt_irq
rstc_irq
rtt1_irq
rtt0_irq
periph_clk[2..6]
backup_nreset
backup_nreset
pit_irq
periph_nreset
periph_nreset
periph_nreset
periph_nreset
proc_nreset
dbgu_rxd
dbgu_rxd
irq0-irq1
debug
debug
SLCK
SLCK
SLCK
SLCK
SLCK
MCK
MCK
backup_nreset
idle
battery_save
fiq
int
SLCK
rtt0_alarm
rtt1_alarm
MAINCK
PLLACK
PLLBCK
por_ntrst
jtag_nreset
System Controller
Management
Shut-Down
Real-Time
Real-Time
Advanced
Watchdog
Controllers
Controller
Controller
Controller
Controller
Interrupt
Periodic
Interval
Timer 1
Timer 0
Debug
Power
Reset
Timer
Timer
PIO
Unit
wdt_fault
WDRPROC
Controller
Voltage
20 General-Purpose
Backup Registers
rtt1_irq
rtt1_alarm
dbgu_irq
dbgu_txd
pit_irq
wdt_irq
rstc_irq
periph_nreset
proc_nreset
backup_nreset
rtt0_irq
rtt0_alarm
periph_clk[2..29]
pck[0-3]
PCK
OTGCK
MCK
pmc_irq
idle
periph_irq[2..6]
irq0-irq1
fiq
dbgu_txd
int
UDPCK
VDDBU Powered
VDDCORE Powered
battery_save
AT91SAM9263 Preliminary
por_ntrst
periph_clk[7..27]
periph_irq[7..27]
periph_nreset
periph_clk[24]
periph_nreset
periph_irq[24]
periph_clk[29]
periph_nreset
periph_irq[29]
periph_clk[26]
periph_nreset
periph_irq[26]
periph_nreset
in
out
enable
proc_nreset
jtag_nreset
UDPCK
UHPCK
debug
MCK
PCK
nirq
nfiq
ntrst
Boundary Scan
TAP Controller
ARM926EJ-S
Peripherals
Embedded
Bus Matrix
USB Host
Controller
Device
USB
LCD
Port
Port
27