AT91SAM9R64-CU-999 Atmel, AT91SAM9R64-CU-999 Datasheet - Page 140

• Manufacturer Part Number: AT91SAM9R64-CU-999
• Description: IC MCU ARM9 64K SRAM 144LFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM9R64-CU-999

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 240MHz
• Connectivity: EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: AC'97, POR, PWM, WDT
• Number Of I /o: 49
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: ROM
• Ram Size: 72K x 8
• Voltage - Supply (vcc/vdd): 1.08 V ~ 1.32 V
• Data Converters: A/D 3x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LFBGA
• Processor Series: AT91SAMx
• Core: ARM926EJ-S
• Data Bus Width: 32 bit
• Data Ram Size: 64 KB
• Interface Type: SPI, TWI, UART
• Maximum Clock Frequency: 240 MHz
• Number Of Programmable I/os: 118
• Operating Supply Voltage: 1.65 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: AT91SAM-ICE, AT91-ISP, AT91SAM9RL-EK
• Minimum Operating Temperature: - 40 C
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

21.2
21.2.1
Figure 21-1. Organization of the External Bus Interface 0
140
Block Diagram
AT91SAM9R64/RL64 Preliminary
External Bus Interface 0
Bus Matrix
Address Decoders
AHB
Figure 21-1
shows the organization of the External Bus Interface 0.
Chip Select
Assignor
APB
Controller
Controller
Memory
SDRAM
External Bus Interface 0
Static
User Interface
CompactFlash
NAND Flash
Controller
Logic
Logic
ECC
Logic
MUX
PIO
NCS3/NANDCS
D[15:0]
A0/NBS0
A1/NWR2/NBS2
A[15:2]
A16/BA0
A17/BA1
NCS0
NCS1/SDCS
NRD/CFOE
NWR0/NWE/CFWE
NWR1/NBS1/CFIOR
NWR3/NBS3/CFIOW
SDCK
SDCKE
RAS
CAS
SDWE
SDA10
A25/CFRNW
D[31:16]
NCS2
NWAIT
A21/NANDALE
NCS4/CFCS0
NCS5/CFCS1
CFCE1 - CFCE2
NANDOE, NANDWE
A[24:23], A[20:18]
A22/NANDCLE
6289C–ATARM–28-May-09