Datasheet

26
SAM7S Series [DATASHEET]
6175KS–ATARM–25-Oct-12
Figure 9-1. System Controller Block Diagram (SAM7S512/256/128/64/321/161)
NRST
SLCK
Real-Time
Timer
Periodic
Interval
Timer
Reset
Controller
PA0-PA31
periph_nreset
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]
periph_nreset
periph_clk[2..14]
PCK
MCK
pmc_irq
UDPCK
rtt_irq
periph_clk[2]
pck[0-2]
in
out
enable
SLCK
SLCK
irq0-irq1
fiq
periph_irq[4..14]
int
periph_nreset
periph_clk[4..14]
flash_poe
jtag_nreset
flash_poe
gpnvm[0..1]
flash_wrdis
flash_wrdis
periph_nreset
dbgu_txd
dbgu_rxd
dbgu_irq
pmc_irq
rstc_irq
wdt_irq
rstc_irq
SLCK
gpnvm[1]
debug
idle
debug
MCK
proc_nreset
bod_rst_en
proc_nreset
periph_nreset
periph_nreset
idle
Debug
Unit
dbgu_irq
MCK
dbgu_rxd
periph_nreset
force_ntrst
dbgu_txd
UDPCK
periph_nreset
periph_clk[11]
periph_irq[11]
usb_suspend
usb_suspend
standby
Voltage
Regulator
Mode
Controller
security_bit
cal
power_on_reset
force_ntrst
cal
power_on_reset