SAM9G25 Atmel Corporation, SAM9G25 Datasheet - Page 322

• Manufacturer Part Number: SAM9G25
• Manufacturer: Atmel Corporation

Specifications of SAM9G25

• Flash (kbytes): 0 Kbytes
• Pin Count: 247
• Max. Operating Frequency: 400 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 105
• Ext Interrupts: 105
• Usb Transceiver: 3
• Usb Speed: Hi-Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 3
• Uart: 7
• Lin: 4
• Ssc: 1
• Ethernet: 1
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: Yes
• Adc Channels: 12
• Adc Resolution (bits): 10
• Adc Speed (ksps): 440
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• 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

26.3
Figure 26-1. Organization of the External Bus Interface
322
322
EBI Block Diagram
Bus Matrix
SAM9G25
SAM9G25
Address Decoders
AHB
Chip Select
Assignor
APB
Controller
Controller
Memory
SDRAM
LPDDR
DDR2
Static
External Bus Interface
User Interface
PMERRLOC
NAND Flash
Controllers
PMECC
Logic
Logic
MUX
PIO
A18/BA2
D[15:0]
A0/NBS0
A1/NWR2/NBS2/DQM2
A[15:2], A19
A16/BA0
A17/BA1
NCS0
NCS1/SDCS
NRD
NWR0/NWE
NWR1/NBS1
NWR3/NBS3/DQM3
SDCK, SDCK#, SDCKE
DQM[1:0]
DQS[1:0]
RAS, CAS
SDWE, SDA10
NCS3/NANDCS
NANDOE
NANDWE
D[31:16]
A[25:20]
NCS5
NCS4
NCS2
NWAIT
A21/NANDALE
A22/NANDCLE
11032A–ATARM–27-Jul-11
11032A–ATARM–27-Jul-11