AT91SAM9261S-CU Atmel, AT91SAM9261S-CU Datasheet - Page 32

• Manufacturer Part Number: AT91SAM9261S-CU
• Description: ARM Microcontrollers - MCU BGA IND TEMP
• Manufacturer: Atmel
• Series: 91Sr

Specifications of AT91SAM9261S-CU

• Product Category: ARM Microcontrollers - MCU
• Rohs: yes
• Core: ARM926EJ-S
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 190 MHz
• Program Memory Size: 32 KB
• Data Ram Size: 16 KB
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: BGA-217
• Mounting Style: SMD/SMT
• Interface Type: 2-Wire, I2S, SPI, USB
• Length: 15 mm
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 96
• Number Of Timers: 4
• Program Memory Type: ROM
• Factory Pack Quantity: 126
• Supply Voltage - Max: 1.32 V, 3.6 V
• Supply Voltage - Min: 1.08 V, 1.65 V, 2.7 V, 3 V

10.5
10.6
32
Static Memory Controller
SDRAM Controller
AT91SAM9261S
• External memory mapping, 256 Mbyte address space per Chip Select Line
• Up to Eight Chip Select Lines
• 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
• Error detection
• SDRAM Power-up Initialization by software
• CAS Latency of 1, 2 and 3 supported
• Auto Precharge Command not used
– Byte Write or Byte Select Lines
– Asynchronous read in Page Mode supported (4- up to 32-byte page size)
– Compliant with LCD Module
– Control signal 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
– Multibank Ping-pong Access
– Timing parameters specified by software
– Automatic refresh operation, refresh rate is programmable
– Self-refresh, power down and deep power down modes supported
– Refresh Error Interrupt
6242ES–ATARM–11-Sep-09