Datasheet
24
SAM7X Series [SUMMARY DATASHEET]
6120IS–ATARM–14-Nov-13
Figure 9-1. System Controller Block Diagram
NRST
SLCK
Advanced
Interrupt
Controller
Real-Time
Timer
Periodic
Interval
Timer
Reset
Controller
PA0-PA30
periph_nreset
System Controller
Watchdog
Timer
wdt_fault
WDRPROC
PIO
Controller
POR
BOD
RCOSC
gpnvm[0]
cal
en
Power
Management
Controller
OSC
PLL
XIN
XOUT
PLLRC
MAINCK
PLLCK
pit_irq
MCK
proc_nreset
wdt_irq
periph_irq{2-3]periph_nreset
periph_clk[2..18]
PCK
MCK
pmc_irq
UDPCK
nirq
nfiq
rtt_irq
Embedded
Peripherals
periph_clk[2-3]
pck[0-3]
in
out
enable
ARM7TDMI
SLCK
SLCK
irq0-irq1
fiq
irq0-irq1
fiq
periph_irq[4..19]
periph_irq[2..19]
int
int
periph_nreset
periph_clk[4..19]
Embedded
Flash
flash_poe
jtag_nreset
flash_poe
gpnvm[0..2]
flash_wrdis
flash_wrdis
proc_nreset
periph_nreset
dbgu_txd
dbgu_rxd
pit_irq
rtt_irq
dbgu_irq
pmc_irq
rstc_irq
wdt_irq
rstc_irq
efc_irq
SLCK
gpnvm[1]
Boundary Scan
TAP Controller
jtag_nreset
power_on_reset
debug
PCK
debug
idle
debug
Memory
Controller
MCK
proc_nreset
bod_rst_en
proc_nreset
power_on_reset
periph_nreset
idle
Debug
Unit
dbgu_irq
MCK
dbgu_rxd
periph_nreset
force_ntrst
dbgu_txd
USB Device
Port
UDPCK
periph_nreset
periph_clk[11]
periph_irq[11]
usb_suspend
usb_suspend
Voltage
Regulator
standby
Voltage
Regulator
Mode
Controller
security_bit
cal
power_on_reset
force_ntrst
cal
PB0-PB30
efc_irq