SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 141

• 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

Table 20-4.
Notes:
6384E–ATARM–05-Feb-10
Signals:
EBI_
Controller
CFCE2
SDCK
SDCKE
RAS
CAS
SDWE
NWAIT
Pxx
Pxx
Pxx
(2)
(2)
(2)
1. Not directly connected to the CompactFlash slot. Permits the control of the bidirectional buffer between the EBI data bus and
2. Any PIO line.
3. CE connection depends on the NAND Flash. For standard NAND Flash devices, it must be connected to any free PIO line.
the CompactFlash slot.
For “CE don't care” NAND Flash devices, it can be either connected to NCS3/NANDCS or to any free PIO line.
EBI Pins and External Device Connections (Continued)
SDRAMC
SDRAM
CKE
RAS
CAS
CLK
WE
–
–
–
–
–
CompactFlash
CD1 or CD2
(EBI only)
Pins of the Interfaced Device
WAIT
CE2
–
–
–
–
–
–
–
True IDE Mode
CompactFlash
CD1 or CD2
(EBI only)
WAIT
CS1
SMC
–
–
–
–
–
–
–
AT91SAM9G20
NAND Flash
CE
RDY
–
–
–
–
–
–
–
–
(3)
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