AT32UC3A0512-ALTES ATMEL [ATMEL Corporation], AT32UC3A0512-ALTES Datasheet - Page 34
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AT32UC3A0512-ALTES
Manufacturer Part Number
AT32UC3A0512-ALTES
Description
AVR32 32-Bit Microcontroller
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT32UC3A0512-ALTES.pdf
(86 pages)
- Current page: 34 of 86
- Download datasheet (2Mb)
10.10 GPIO
10.11 Peripheral overview
10.11.1
10.11.2
10.11.3
32058FS–AVR32–08/08
External Bus Interface
Static Memory Controller
SDRAM Controller
The GPIO open drain feature (GPIO ODMER register (Open Drain Mode Enable Register)) is
not available for this device.
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Optimized for Application Memory Space support
Integrates Two External Memory Controllers:
Optimized External Bus:
4 SRAM Chip Selects, 1SDRAM Chip Select:
4 Chip Selects Available
64-Mbyte Address Space per Chip Select
8-, 16-bit Data Bus
Word, Halfword, Byte Transfers
Byte Write or Byte Select Lines
Programmable Setup, Pulse And Hold Time for Read Signals per Chip Select
Programmable Setup, Pulse And Hold Time for Write Signals per Chip Select
Programmable Data Float Time per Chip Select
Compliant with LCD Module
External Wait Request
Automatic Switch to Slow Clock Mode
Asynchronous Read in Page Mode Supported: Page Size Ranges from 4 to 32 Bytes
Numerous Configurations Supported
Programming Facilities
Energy-saving Capabilities
– Static Memory Controller
– SDRAM Controller
– 16-bit Data Bus
– 24-bit Address Bus, Up to 16-Mbytes Addressable
– Optimized pin multiplexing to reduce latencies on External Memories
– Static Memory Controller on NCS0
– SDRAM Controller or Static Memory Controller on NCS1
– Static Memory Controller on NCS2
– Static Memory Controller on NCS3
– 2K, 4K, 8K Row Address Memory Parts
– SDRAM with Two or Four Internal Banks
– SDRAM with 16-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, Power-down and Deep Power Modes Supported
AT32UC3A
34
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