SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 826

• Manufacturer Part Number: SAM9G20
• Manufacturer: Atmel Corporation

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

iv
AT91SAM9G20
20 AT91SAM9G20 External Bus Interface .............................................. 135
21 Static Memory Controller (SMC) ......................................................... 159
22 SDRAM Controller (SDRAMC) ............................................................ 201
23 Error Corrected Code Controller (ECC) ............................................. 223
19.4 Arbitration .........................................................................................................126
19.5 Bus Matrix (MATRIX) User Interface ................................................................128
19.6 Chip Configuration User Interface ....................................................................133
20.1 Overview ..........................................................................................................135
20.2 Block Diagram ..................................................................................................136
20.3 I/O Lines Description ........................................................................................137
20.4 Application Example .........................................................................................139
20.5 Product Dependencies .....................................................................................142
20.6 Functional Description ......................................................................................142
20.7 Implementation Examples ................................................................................150
21.1 Overview ..........................................................................................................159
21.2 I/O Lines Description ........................................................................................159
21.3 Multiplexed Signals ..........................................................................................159
21.4 Application Example .........................................................................................160
21.5 Product Dependencies .....................................................................................160
21.6 External Memory Mapping ...............................................................................161
21.7 Connection to External Devices .......................................................................161
21.8 Standard Read and Write Protocols .................................................................165
21.9 Automatic Wait States ......................................................................................174
21.10 Data Float Wait States .....................................................................................179
21.11 External Wait ....................................................................................................183
21.12 Slow Clock Mode .............................................................................................189
21.13 Asynchronous Page Mode ...............................................................................192
21.14 Static Memory Controller (SMC) User Interface ...............................................195
22.1 Overview ..........................................................................................................201
22.2 I/O Lines Description ........................................................................................201
22.3 Application Example .........................................................................................202
22.4 Product Dependencies .....................................................................................204
22.5 Functional Description ......................................................................................206
22.6 SDRAM Controller (SDRAMC) User Interface .................................................213
23.1 Overview ..........................................................................................................223
6384E–ATARM–05-Feb-10