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AT91SAM9R64 Datasheet(PDF) 29 Page - ATMEL Corporation

Part # AT91SAM9R64
Description  AT91 ARM Thumb Microcontrollers
PDF  52 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT91SAM9R64 Datasheet(HTML) 29 Page - ATMEL Corporation

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29
6289CS–ATARM–28-May-09
AT91SAM9R64/RL64 Preliminary
9.2
Block Diagram
Figure 9-1.
System Controller Block Diagram
NRST
SLCK
Advanced
Interrupt
Controller
Real-Time
Timer
Periodic
Interval
Timer
Reset
Controller
PA0-PA31
periph_nreset
System Controller
Watchdog
Timer
wdt_fault
WDRPROC
PIO
Controllers
Power
Management
Controller
XIN
XOUT
PLLRCA
MAINCK
PLLACK
pit_irq
MCK
proc_nreset
wdt_irq
periph_irq[2..4]
periph_nreset
periph_clk[2..24]
PCK
MCK
pmc_irq
nirq
nfiq
rtt_irq
Embedded
Peripherals
periph_clk[2..4]
pck[0-1]
in
out
enable
ARM926EJ-S
SLCK
SLCK
irq
fiq
irq0-irq2
fiq
periph_irq[6..24]
periph_irq[2..24]
int
int
periph_nreset
periph_clk[6..24]
jtag_nreset
por_ntrst
proc_nreset
periph_nreset
dbgu_txd
dbgu_rxd
pit_irq
dbgu_irq
pmc_irq
rstc_irq
wdt_irq
rstc_irq
SLCK
Boundary Scan
TAP Controller
jtag_nreset
debug
PCK
debug
idle
debug
Bus Matrix
MCK
periph_nreset
proc_nreset
backup_nreset
periph_nreset
idle
Debug
Unit
dbgu_irq
MCK
dbgu_rxd
periph_nreset
dbgu_txd
rtt_alarm
Shutdown
Controller
SLCK
rtt_alarm
backup_nreset
SHDN
WKUP
4 General-purpose
Backup Registers
backup_nreset
XIN32
XOUT32
PB0-PB31
PC0-PC31
VDDBU Powered
VDDCORE Powered
ntrst
VDDCORE
POR
12MHz
MAIN OSC
PLLA
VDDBU
POR
SLOW
CLOCK
OSC
UPLL
por_ntrst
VDDBU
rtt_irq
HSCK
USB High Speed
Device
Port
HSCK
periph_nreset
periph_irq[22]
RC
OSC
PD0-PD21
SCKCR
Real-Time
Clock
rtc_irq
SLCK
backup_nreset
rtc_alarm
rtt_alarm
rtc_alarm
periph_clk[22]



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