AT91SAM9CN11-CFU Просмотр технического описания (PDF) - Atmel Corporation
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AT91SAM9CN11-CFU Datasheet PDF : 1104 Pages
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7.2 System Controller Block DIagram
Figure 7-1. SAM9N12/CN11/CN12 System Controller Block Diagram
NRST
VDDBU
SHDN
WKUP
XIN32
XOUT32
XIN
XOUT
PA0-PA31
PB0-PB18
PC0-PC31
PD0-PD21
irq
fiq
periph_irq[2..30]
pit_irq
wdt_irq
dbgu_irq
pmc_irq
rstc_irq
MCK
periph_nreset
dbgu_rxd
MCK
debug
periph_nreset
SLCK
debug
idle
proc_nreset
System Controller
Advanced
Interrupt
Controller
VDDCORE Powered
int
por_ntrst
Debug
Unit
Periodic
Interval
Timer
dbgu_irq
dbgu_txd
pit_irq
Watchdog
Timer
wdt_irq
wdt_fault
WDRPROC
VDDCORE
POR
por_ntrst
jtag_nreset
Reset
Controller
rstc_irq
periph_nreset
proc_nreset
backup_nreset
nirq
nfiq
ntrst ARM926EJ-S
proc_nreset
PCK
debug
jtag_nreset
Boundary Scan
TAP Controller
MCK
periph_nreset
Bus Matrix
VDDBU
POR SLCK
SLCK
backup_nreset
SLCK
Real-Time
Clock
VDDBU Powered
rtc_irq
rtc_alarm
backup_nreset
rtc_alarm
32-Kbyte
RC OSC
SLOW
CLOCK
OSC
SCKCR
12 MHz RC
OSC int
SLCK
16 MHz
MAIN OSC
MAINCK
PLLB
PLLBCK
Shut-Down
Controller
BSCR
Power
Management
Controller
PLLA
periph_nreset
PLLACK
periph_nreset
periph_clk[2..3]
dbgu_rxd
PIO
Controllers
4 General-purpose
Backup Registers
periph_clk[2..30]
pck[0-1]
UHPCK
UDPCK
PCK
MCK
DDR sysclk
LCD Pixel clock
pmc_irq
idle
periph_irq[2..3]
irq
fiq
dbgu_txd
UDPCK
periph_nreset
periph_irq[23]
USB Device
Full Speed
Port
UHPCK
periph_nreset
periph_irq[22]
USB Host
Full Speed
Port
periph_clk[5..30]
periph_nreset
periph_irq[5..30]
in
out
enable
Embedded
Peripherals
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET] 28
11063K–ATARM–05-Nov-13
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