Board Description
3-4
AT91SAM9263-EK Evaluation Board User Guide
6325D–ATARM–26-Aug-09
3.2
AT91SAM9263 Block Diagram
Figure 3-1.
AT91SAM9263 Block Diagram
ARM926EJ-S Processor
JTAG Boundary Scan
In-Circuit
Emulator
AIC
Fast SRAM
80 Kbytes
SSC0
SSC1
D0-D15
A0/NBS0
A2-A15, A18-A20
A16/BA0
A17/BA1
NCS0
NCS1/SDCS
NRD
NWR0/NWE
NWR1/NBS1
NWR3/NBS3
SDCK, SDCKE
RAS, CAS
SDWE, SDA10
FIQ
IRQ0-IRQ1
PLLRCB
PLLRCA
DRXD
DTXD
LCD
Controller
ICache
16K bytes
DCache
16K bytes
MMU
DMA
APB
ROM
128 Kbytes
Peripheral
Bridge
20-channel
Peripheral
DMA
ETM
TCLK
PDC
PLLA
ITCM
DTCM
Bus Interface
TCM Interface
A1/NBS2/NWR2
TST
PCK0-PCK3
System
Controller
VDDBU
SHDN
WKUP
XIN
TSYNC
TPS0-TPS2
TPK0-TPK15
TDI
TDO
TMS
TCK
JTAGSEL
ID
FIFO
LUT
LCDD0-LCDD23
LCDVSYNC
LCDHSYNC
LCDDOTCK
LCDDEN
LCDCC
EBI1
D0-D15
A0/NBS0
A2-A15/A18-A20
NCS0
NCS1/SDCS
NRD
NWR0/NWE
NWR1/NBS1
Static
Memory
Controller
NCS2/NANDCS
A1/NWR2
NWAIT
DMARQ0_DMARQ3
2D
Graphics
Controller
NRST
TK0-TK1
TF0-TF1
TD0-TD1
RD0-RD1
RF0-RF1
RK0-RK1
TC0
TC1
TC2
TCLK0-TCLK2
TIOA0-TIOA2
TIOB0-TIOB2
NPCS2
NPCS1
SPCK
MOSI
MISO
NPCS0
SPI0
SPI1
PDC
NPCS3
USART0
USART1
USART2
RTS0-RTS2
SCK0-SCK2
TXD0-TXD2
RDX0-RDX2
CTS0-CTS2
PDC
TWI
TWCK
TWD
MCI0
MCI1
PDC
CK
DA0-DA3
CDA
DB0-DB3
CDB
EBI0_
NANDOE, NANDWE
EBI1_
PMC
PLLB
OSC
XOUT
PIT
WDT
RTT0
OSC
XIN32
XOUT32
SHDWC
POR
RSTC
POR
DBGU
9-layer Bus Matrix
2-channel
DMA
SLAVE
MASTER
PDC
BMS
20GPREG
A23-A24
NCS5/CFCS1
A25/CFRNW
NCS4/CFCS0
D16-D31
NWAIT
CFCE1-CFCE2
EBI0
Static
Memory
Controller
CompactFlash
NAND Flash
SDRAM
Controller
NCS2
NCS3/NANDCS
PWMC
PWM0-PWM3
CAN
CANRX
CANTX
ETXCK-ERXCK-EREFCK
ETXEN-ETXER
ECRS-ECOL
ERXER-ERXDV
ERX0-ERX3
ETX0-ETX3
EMDC
EMDIO
EF100
10/100 Ethernet
MAC
FIFO
DMA
FIFO
PIOA
PIOB
PIOD
PIOC
Image
Sensor
Interface
ISI_PCK
ISI_D0-ISI_D11
ISI_HSYNC
ISI_VSYNC
ISI_MCK
VDDCORE
DMA
PIOE
SDCKE
RAS, CAS
SDWE, SDA10
SDRAM
Controller
D16-D31
SRAM
16 Kbytes
RTCK
ECC
Controller
DMA
A16/BA0
A17/BA1
ECC
Controller
NAND Flash
NANDOE, NANDWE
NWR3/NBS3
AC97C
PDC
AC97CK
AC97FS
AC97RX
AC97TX
VDDCORE
USB
OHCI
DMA
USB
Device
Port
Transc.
DDP
DDM
SPI0_, SPI1_
MCI0_, MCI_1
RTT1
Transc.
Transc.
HDPA
HDMA
HDPB
HDMB
SDCK
NTRST
A21/NANDALE
A22/NANDCLE
A21/NANDALE
A22/NANDCLE
