SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 27
SAM9G20
Manufacturer Part Number
SAM9G20
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G20.pdf
(42 pages)
5.SAM9G20.pdf
(832 pages)
Specifications of SAM9G20
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
1
Uart
7
Ssc
1
Ethernet
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
Yes
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
95
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
External Bus Interface
1
Dram Memory
sdram
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
32khz Rtc
Yes
Calibrated Rc Oscillator
No
7.3.3
11053AS–ATARM–27-Jul-11
DDR2SDR Controller
• Multiple device adaptability
• Multiple Wait State Management
• Slow Clock mode supported
• Supports 8-bank DDR2, LPDDR2, SDR and LPSDR
• Numerous Configurations Supported
• Programming Facilities
• Energy-saving Capabilities
• SDRAM Power-up Initialization by Software
• CAS Latency of 2, 3 Supported
• Auto Precharge Command Not Used
• SDR-SDRAM with 16-bit Datapath and Eight Columns Not Supported
– Control signals programmable setup, pulse and hold time for each Memory Bank
– Programmable Wait State Generation
– External Wait Request
– Programmable Data Float Time
– 2K, 4K, 8K, 16K Row Address Memory Parts
– SDRAM with 8 Internal Banks
– SDR-SDRAM with 32-bit Data Path
– DDR2/LPDDR with 16-bit Data Path
– One Chip Select for SDRAM Device (256 Mbyte Address Space)
– Multibank Ping-pong Access (Up to 8 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 (LPSDR)
– Self-refresh, Power-down and Deep Power Modes Supported
– Clock Frequency Change in Precharge Power-down Mode Not Supported
Average Latency of Transactions)
SAM9G35
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