AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 28

• Manufacturer Part Number: AT91SAM9G45-EKES
• Description: KIT EVAL FOR AT91SAM9G45
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91SAM9G45-EKES

• Contents: Board
• Processor To Be Evaluated: SAM9G45
• Data Bus Width: 32 bit
• Interface Type: I2C, SPI, UART
• Maximum Operating Temperature: + 50 C
• Minimum Operating Temperature: - 10 C
• Operating Supply Voltage: 1.8 V to 3.3 V
• For Use With/related Products: AT91SAM9G45
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4626953

7.3.2.2
7.3.2.3
28
AT91SAM9G45
DDR2/SDR Controller
NAND Flash Error Corrected Code Controller
• Multiple Wait State Management
• Slow Clock mode supported
• Supports DDR2/LPDDR2, SDR-SDRAM and LPSDR
• Numerous Configurations Supported
• Programming Facilities
• Energy-saving Capabilities
• SDRAM Power-up Initialization by Software
• CAS Latency of 2, 3 Supported
• Auto Precharge Command Not Used
• SDR-SDRAM with 16-bit Datapath and Eight Columns Not Supported
• Tracking the accesses to a NAND Flash device by triggering on the corresponding chip select
• Single bit error correction and 2-bit Random detection.
• Automatic Hamming Code Calculation while writing
• Automatic Hamming Code Calculation while reading
– Control signals programmable setup, pulse and hold time for each Memory Bank
– Programmable Wait State Generation
– External Wait Request
– Programmable Data Float Time
– 2K, 4K, 8K, 16K Row Address Memory Parts
– SDRAM with Four Internal Banks
– SDR-SDRAM with 16- or 32- bit Data Path
– DDR2/LPDDR with 16- bit Data Path
– One Chip Select for SDRAM Device (256 Mbyte Address Space)
– Multibank Ping-pong Access (Up to 4 Banks Opened at Same Time = Reduces
– Timing Parameters Specified by Software
– Automatic Refresh Operation, Refresh Rate is Programmable
– Automatic Update of DS, TCR and PASR Parameters (LPSDR)
– Self-refresh, Power-down and Deep Power Modes Supported
– Clock Frequency Change in Precharge Power-down Mode Not Supported
– ECC value available in a register
– Error Report, including error flag, correctable error flag and word address being
– Support 8- or 16-bit NAND Flash devices with 512-, 1024-, 2048- or 4096-bytes
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6438ES–ATARM–21-Jun-10