AT91SAM7SE32 ATMEL Corporation, AT91SAM7SE32 Datasheet - Page 19

• Manufacturer Part Number: AT91SAM7SE32
• Description: (AT91SAM7SExxx) Flash microcontroller
• Manufacturer: ATMEL Corporation

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DataSheet
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SDRAM Controller
Error Corrected Code Controller
Peripheral DMA Controller
AT91SAM7SE512/256/32 [Advance Information Summary]
• Multiple device adaptability
• Multiple Wait State Management
• Numerous configurations supported
• Programming facilities
• Energy-saving capabilities
• Error detection
• SDRAM Power-up Initialization by software
• Latency is set to two clocks (CAS Latency of 1, 3 Not Supported)
• Auto Precharge Command not used
• 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
• Handles data transfer between peripherals and memories
• Eleven channels
– Compliant with LCD Module
– Programmable Setup Time Read/Write
– Programmable Hold Time Read/Write
– Programmable Wait State Generation
– External Wait Request
– Programmable Data Float Time
– 2K, 4K, 8K Row Address Memory Parts
– SDRAM with two or four Internal Banks
– SDRAM with 16- or 32-bit Data Path
– Word, half-word, byte access
– Automatic page break when Memory Boundary has been reached
– Multibank Ping-pong Access
– Timing parameters specified by software
– Automatic refresh operation, refresh rate is programmable
– Self-refresh, and Low-power Modes supported
– Refresh Error Interrupt
– ECC value available in a register
– Error Report, including error flag, correctable error flag and word address being
– Supports 8- or 16-bit NAND Flash devices with 512-, 1024-, 2048- or 4096-byte
detected erroneous
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