AT91RM9200-QI-002 Atmel, AT91RM9200-QI-002 Datasheet - Page 134

• Manufacturer Part Number: AT91RM9200-QI-002
• Description: IC ARM9 MCU 208 PQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91RM9200-QI-002

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 180MHz
• Connectivity: EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: POR
• Number Of I /o: 122
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: ROM
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 208-MQFP, 208-PQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

17.2
Figure 17-1. Organization of the External Bus Interface
134
Block Diagram
AT91RM9200
Controller
Address Decoder
Memory
ASB
Figure 17-1
below shows the organization of the External Bus Interface.
Chip Select
Assignor
Burst Flash
APB
Controller
Controller
Controller
Memory
SDRAM
Static
User Interface
External Bus Interface
CompactFlash
NAND Flash/
SmartMedia
Logic
Logic
Logic
MUX
PIO
SDA10
D[15:0]
A0/NBS0
A1/NWR2/NBS2
A[15:2], A[22:18]
A16/BA0
A17/BA1
NCS0/BFCS
NCS1/SDCS
NCS2
NCS3/SMCS
NRD/NOE/CFOE
NWR0/NWE/CFWE
NWR1/NBS1/CFIOR
NWR3/NBS3/CFIOW
SDCK
SDCKE
RAS
CAS
SDWE
D[31:16]
A[24:23]
A25/CFRNW
NCS4/CFCS
NCS5/CFCE1
NCS6/CFCE2
NCS7
BFCK
BFAVD
BFBAA/SMWE
BFOE
BFRDY/SMOE
BFWE
NWAIT
1768I–ATARM–09-Jul-09