SAM9G46 Atmel Corporation, SAM9G46 Datasheet - Page 27

• Manufacturer Part Number: SAM9G46
• Manufacturer: Atmel Corporation

Specifications of SAM9G46

• Flash (kbytes): 0 Kbytes
• Pin Count: 324
• Max. Operating Frequency: 400 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 160
• Ext Interrupts: 160
• Usb Transceiver: 3
• Usb Speed: Hi-Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 2
• Uart: 5
• Lin: 4
• Ssc: 2
• Ethernet: 1
• Sd / Emmc: 2
• Graphic Lcd: Yes
• Video Decoder: No
• Camera Interface: Yes
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 440
• Resistive Touch Screen: Yes
• Temp. Sensor: No
• Crypto Engine: AES/DES
• Sram (kbytes): 64
• Self Program Memory: NO
• External Bus Interface: 2
• Dram Memory: DDR2/LPDDR, SDRAM/LPSDR
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 0.9 to 1.1
• Fpu: No
• Mpu / Mmu: No/Yes
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

7.3
7.3.1
7.3.2
11028CS–ATARM–20-Apr-11
External Memories
DDRSDRC0 Multi-port DDRSDR Controller
External Bus Interface
The SAM99G46 features a Multi-port DDR2 Interface and an External Bus Interface allowing to
connect to a wide range of external memories and to any parallel peripheral.
Four AHB Interfaces, Management of All Accesses Maximizes Memory Bandwidth and Mini-
mizes Transaction Latency.
• Supports AHB Transfers:
• Supports DDR2, LPDDR
• Numerous Configurations Supported
• Programming Facilities
• Energy-saving Capabilities
• Power-up Initialization by Software
• CAS Latency of 2, 3 Supported
• Reset function supported (DDR2)
• Auto Precharge Command Not Used
• On Die Termination not supported
• OCD mode not supported
• Integrates Three External Memory Controllers:
• Additional logic for NAND Flash 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 chip selects, Configurable Assignment:
– Word, Half Word, Byte Access.
– 2K, 4K, 8K, 16K Row Address Memory Parts
– DDR2 with Four Internal Banks
– DDR2/LPDDR with 16-bit Data Path
– One Chip Select for DDR2/LPDDR Device (256 Mbytes 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
– Self-refresh, Power-down and Deep Power Modes Supported
– Static Memory Controller
– DDR2/SDRAM Controller
– SLC Nand Flash ECC Controller
– Static Memory Controller on NCS0
– DDR2/SDRAM Controller (SDCS) or Static Memory Controller on NCS1
– Static Memory Controller on NCS2
Average Latency of Transactions)
TM
SAM9G46
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