Atmel Evaluation Board AT91SAM9XE-EK - Manual (Page 14)

3-4 AT91SAM9XE-EK Evaluation Board User Guide
6311A–ATARM–04-Feb-08
3.2 Block Diagram
Figure 3-1. AT91SAM9XE512/256/128 Block Diagram
ARM926EJ-S Processor JTAG Selection and Boundary Scan
In-Circuit Emulator
AIC
ROM
32 Kbytes
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-IRQ2
PLLRCA
DRXD DTXD
MMU
APB
Flash
128, 256
or 512 Kbytes
Peripheral
Bridge
24-channel Peripheral
DMA
PLLA
Bus Interface
A1/NBS2/NWR2
TST
PCK0-PCK1
System Controller
XIN
TDI
TDO
TMS
TCK
JTAGSEL
ID
NANDOE, NANDWE
PMC
PLLB OSC
XOUT
PIT
WDT
DBGU
SLAVE
MASTER
PDC
A23-A24 NCS5/CFCS1 A25/CFRNW NCS4/CFCS0 NWAIT CFCE1-CFCE2
EBI
Static
Memory
Controller
CompactFlash NAND Flash
SDRAM
Controller
NCS2, NCS6, NCS7 NCS3/NANDCS
RTCK
ECC
Controller
ETXCK-ERXCK
ETXEN-ETXER
ECRS-ECOL
ERXER-ERXDV
ERX0-ERX3
ETX0-ETX3
MDC
MDIO
F100
10/100 Ethernet
MAC
FIFO
DMA
FIFO
SSC
PDC
USB Device DDM
DDP
TK
TF
TD
RD
RF
RK
TC0 TC1 TC2
TCLK0-TCLK2
TIOA0-TIOA2
TIOB0-TIOB2
SPI0 SPI1
PDC
USART0 USART1 USART2 USART3 USART4
RTS0-RTS3
SCK0-SCK3
TXD0-TXD5
RXD0-RXD5
CTS0-CTS3
PDC
TWI0 TWI1 TWCK
TWD
MCI PDC
Transceiver
DPRAM
ICache 8 Kbytes
DCache 8 Kbytes
6-layer Matrix
NPCS2
NPCS1
SPCK
MOSI
MISO
NPCS0
NPCS3
SPI0_, SPI1_
MCCK
MCDA0-MCDA3
MCCDA
NRST XIN32
XOUT32
VDDCORE
PIOA PIOB PIOC
DSR0
DCD0
DTR0
RI0
USB OHCI DMA
Transc.
Transc.
HDPA
HDMA
HDPB
HDMB
Image Sensor Interface
DMA
ISI_PCK
ISI_DO-ISI_D7
ISI_HSYNC
ISI_VSYNC
ISI_MCK
4-channel 10-bit ADC
AD0-AD3
ADTRIG
ADVREF
VDDANA
GNDANA
PDC
D16-D31
RTT
OSC
RSTC
POR
4GPREG
SHDN WKUP
SHDC
POR
RC
OSCSEL
VDDBU
MCDB0-MCDB3
MCCDB
TC3 TC4 TC5
TCLK3-TCLK5
TIOA3-TIOA5
TIOB3-TIOB5
Fast SRAM
16 or 32 Kbytes
Filter
A21/NANDALE A22/NANDCLE
NTRST
ERASE
PDC
BOD