at91cap7e ATMEL Corporation, at91cap7e Datasheet - Page 20
at91cap7e
Manufacturer Part Number
at91cap7e
Description
Customizable Microcontroller
Manufacturer
ATMEL Corporation
Datasheet
1.AT91CAP7E.pdf
(520 pages)
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8.6.1
8.6.2
20
AT91CAP7E
Static Memory Controller
SDRAM Controller
• Integrates two External Memory Controllers:
• Additional logic for NANDFlash and CompactFlash
• Optional Full 32-bit External Data Bus
• Up to 26-bit Address Bus (up to 64MBytes linear per chip select)
• Up to 6 chips selects, Configurable Assignment:
• 8-, 16- or 32-bit Data Bus
• Multiple Access Modes supported
• Multiple device adaptability
• Multiple Wait State Management
• Slow Clock mode supported
• Supported devices:
• Numerous configurations supported
• Programming facilities
• Energy-saving capabilities
– Static Memory Controller
– SDRAM Controller
– Static Memory Controller on NCS0
– SDRAM Controller or Static Memory Controller on NCS1
– Static Memory Controller on NCS2
– Static Memory Controller on NCS3, Optional NAND Flash support
– Static Memory Controller on NCS4 - NCS5, Optional CompactFlash
– Byte Write or Byte Select Lines
– Asynchronous read in Page Mode supported (4- up to 32-byte page size)
– Compliant with LCD Module
– Control signals programmable setup, pulse and hold time for each Memory Bank
– Programmable Wait State Generation
– External Wait Request
– Programmable Data Float Time
– Standard and Low Power SDRAM (Mobile SDRAM)
– 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
– Multi-bank Ping-pong Access
– Timing parameters specified by software
– Automatic refresh operation, refresh rate is programmable
TM
M
support
8549A–CAP–10/08
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