Atmel AT91SAM9261-EK, User Manual

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Board Description
3-4 AT91SAM9261-EK Evaluation Board User Guide
6198C–ATARM–15-Dec-06
3.2 AT91SAM9261
Block Diagram
Figure 3-1. Block Diagram
PIO
I D
I D
SSC0
SSC1
SSC2
Timer Counter
TC0
TC1
TC2
TWI
LCD Controller
DMA
FIFO
LUT
DMA FIFO
USB Host
FIFO
USB Device
ARM926EJ-S Core
JTAG
Boundary Scan
ICE
AIC
Fast SRAM
160K bytes
PIO
Instruction Cache
16K bytes
Fast ROM
32K bytes
Peripheral
Bridge
Peripheral
DMA
Controller
PLLA
PLLB
ITCM DTCM
TCM
Interface
PMC
RSTC
OSC
PIOA PIOB PIOC
RTT
SHDWC
POR
OSC
WDT
GPBREG
PIT
POR
EBI
Static
Memory
Controller
PIO
Data Cache
16K bytes
MMU
PIO
5-layer
Matrix
ETM
CompactFlash
NAND Flash
SDRAM
Controller
BIU
PIO PIO
T
ransceiv
er
T
ransceiv
er
PDC
PDC
PDC
APB
DBGU
MCI
USART0
USART1
USART2
SPI0
SPI1
PDC
PDC
PDC
PDC
PDC
PDC
PDC
System Controller
TF0
TK0
TD0
RD0
RK0
RF0
TF1
TK1
TD1
RD1
RK1
RF1
TF2
TK2
TD2
RD2
RK2
RF2
TCLK0
TCLK1
TCLK2
TIOA0
TIOB0
TIOA1
TIOB1
TIOA2
TIOB2
TWD
TWCK
LCDD0-LCDD23
LCDVSYNC
LCDHSYNC
LCDDOTCK
LCDDEN
LCDCC
MCCK
MCCDA
MCDA0-MCDA3
RXD0
TXD0
SCK0
RTS0
CTS0
RXD1
TXD1
SCK1
RTS1
CTS1
RXD2
TXD2
SCK2
RTS2
CTS2
SPI0_NPCS0
SPI0_NPCS1
SPI0_NPCS2
SPI0_NPCS3
SPI0_MISO
SPI0_MOSI
SPI0_SPCK
SPI1_NPCS10
SPI1_NPCS1
SPI1_NPCS12
SPI1_NPCS3
SPI1_MISO
SPI1_MOSI
SPI1_SPCK
D0-D15
A0/NBS0
A2-A15/A18-A21
A16/BA0
A17/BA1
NCS0
NCS1/SDCS
NCS3/NANDCS
NRD/CFOE
NWR0/NWE/CFWE
NWR1/NBS1/CFIOR
NWR3/NBS3/CFIOW
SDCK
SDCKE
RAS-CAS
SDWE
SDA10
A23-A24
NCS5/CFCS1
BMS
NCS2
A25/CFRNW
NCS4/CFCS0
NCS6/NANDOE
NCS7/NANDWE
TSYNC
TCLK
TPS0-TPS2
TPK0-TPK15
D16-D31
A1/NBS2/NWR2
NWAIT
HDMA
HDPB
HDPA
HDMB
DDM
DDP
CFCE1
CFCE2
JTAGSEL
TDI
TDO
RTCK
TMS
TCK
NTRST
FIQ
IRQ0-IRQ2
PLLRCB
PLLRCA
DRXD
DTXD
XIN32
XOUT32
NRST
PCK0-PCK3
SHDN
WKUP
GNDBU
XIN
XOUT
VDDBU
VDDCORE
TST
A22/REG