AT91RM9200-CI-002 Atmel, AT91RM9200-CI-002 Datasheet - Page 148
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AT91RM9200-CI-002
Manufacturer Part Number
AT91RM9200-CI-002
Description
IC ARM9 MCU 256 BGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheets
1.AT91RM9200-EK.pdf
(41 pages)
2.AT91RM9200-DK.pdf
(2 pages)
3.AT91RM9200-QU-002.pdf
(701 pages)
Specifications of AT91RM9200-CI-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
256-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
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17.7.2
17.7.2.1
17.7.2.2
148
AT91RM9200
32-bit SDRAM
Hardware Configuration
Software Configuration
The following configuration has to be performed:
The Data Bus Width is to be programmed to 32 bits. The data lines D[16..31] are multiplexed
with PIO lines and thus the dedicated PIOs must be programmed in peripheral mode in the PIO
controller.
The SDRAM initialization sequence is described in the “SDRAM Device Initialization” part of the
SDRAM controller.
• Assign the EBI CS1 to the SDRAM controller by setting the bit EBI_CS1A in the EBI Chip
• Initialize the SDRAM Controller accordingly to SDRAM device and system bus frequency.
Select Assignment Register located in the bus matrix memory space
1768I–ATARM–09-Jul-09
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