SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 74

• 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

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AT91SAM9G20
Figure 13-1. Boot Program Algorithm Flow Diagram
SPI Serialflash Boot
SPI Serialflash Boot
SPI Dataflash Boot
SPI Dataflash Boot
NandFlash Boot
No
No
No
No
No
No
No
SD Card Boot
EEPROMBoot
NPCS0
Device
NPCS0
NPCS1
NPCS1
Setup
Timeout < 25 ms
Timeout < 25 ms
Timeout < 25 ms
Timeout < 25 ms
Timeout < 50ms
Timeout < 50ms
Timeout 50ms.
OR
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Character(s) received
Serial flash NPCS0
Serial flash NPCS1
USB Enumeration
Dataflash NPCS0
Dataflash NPCS1
Download from
Download from
Download from
Download from
Download from
Download from
Download from
NandFlash
Successful
SDCARD
EEPROM
on DBGU
Run SAM-BA Boot
Run SAM-BA Boot
Run
Run
Run
Run
Run
Run
Run
TWI/EEPROM Boot
Serial Flash Boot NPCS0
Serial Flash Boot NPCS1
DataFlash Boot NPCS0
DataFlash Boot NPCS1
NandFlash Boot
SAM-BA Boot
SD Card Boot
6384E–ATARM–05-Feb-10